CN105928809B - Measurement device and measurement method of inner tube expansion velocity when metal tube explodes and recombines - Google Patents
Measurement device and measurement method of inner tube expansion velocity when metal tube explodes and recombines Download PDFInfo
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- CN105928809B CN105928809B CN201610532927.9A CN201610532927A CN105928809B CN 105928809 B CN105928809 B CN 105928809B CN 201610532927 A CN201610532927 A CN 201610532927A CN 105928809 B CN105928809 B CN 105928809B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/30—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight
- G01N3/313—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight generated by explosives
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/14—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring the force of explosions; for measuring the energy of projectiles
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Abstract
The invention discloses inner tube speed of expansion measuring device and measuring method when a kind of metal tube Explosion composite, described device includes primacord, initiator, metal tube, transmission medium, data collecting instrument and pressure sensor, the primacord is ignited after passing through initiator detonating capsule, the metal tube includes inner layer metal pipe and outer layer metal tube, the pressure sensor is pasted onto pairs on the position of inner layer metal inside pipe wall radial symmetric, and it is connected with data collecting instrument, the inner layer metal pipe passes through outer layer metal tube and centerlock, the primacord passes through inner layer metal pipe and centerlock, the transmission medium is arranged in internal layer metal tube.Pressure time-process curve when Explosion composite is recorded by data collecting instrument, the interval time determined according to bimodal in curve and inside and outside metal tube distance computation inner metal tube speed of expansion, foundation can be provided for the determination of metal tube Parameters of Explosive Cladding, to reach preferable composite effect.
Description
Technical field
The present invention relates to tube swelling speed interior when a kind of a kind of measuring device and measuring method, especially metal tube Explosion composite
Measuring device and measuring method are spent, Explosion composite technical field is belonged to.
Background technique
With the development of modern industry, the performance of single metal tube has been difficult to meet demand of industrial production, and compound
Metal tube combines the advantages of each metal tube, can obtain the composite performance that single metal tube does not have.Explosion composite is benefit
The controllable huge energy and shock wave generated with explosive charge, makes different metal pipe high velocity impact under certain collision angle,
The point of impingement generates high temperature and pressure and the metal material near the point of impingement is made to generate intense plastic strain, and realizes different metal material
Combined high quality metallurgical bonding technology.Explosion composite method can realize the compound of various metals pipe, and Explosion composite is high-efficient, cover
Layer metal tube thickness is controllable, and interface bond strength is high, is a kind of ideal composite pipe production method, then Explosion composite institute
Need condition harsh, it is necessary to can be only achieved preferable composite effect in narrow " explosion window ", it is therefore desirable to a kind of test side
Method obtains the speed of expansion of inner layer metal pipe, can be the determination of metal tube Explosion composite dose and ectonexine metal tube spacing
Foundation is provided, and cladding plate stroke speed when common High Speed Photography may be only available for measurement metal plate Explosion composite, it cannot
It is measured for multiple tube inner tube speed of expansion.
Summary of the invention
Inner tube is swollen when the purpose of the present invention is in view of the above shortcomings of the prior art, providing a kind of metal tube Explosion composite
Swollen velocity measuring device, the device is easy to operate in practical applications, and the inner layer metal tube swelling speed obtained can be metal
Determining for pipe Parameters of Explosive Cladding provides foundation, to reach preferable composite effect.
Another object of the present invention is to provide inner tube speed of expansion measurement methods when a kind of metal tube Explosion composite.
The purpose of the present invention can be achieved through the following technical solutions:
Inner tube speed of expansion measuring device when metal tube Explosion composite, including primacord and initiator, the primacord are logical
It is ignited after crossing initiator detonating capsule, further includes metal tube, transmission medium, data collecting instrument and pressure sensor, the metal
Pipe includes inner layer metal pipe and outer layer metal tube, and the pressure sensor is pasted onto inner layer metal inside pipe wall radial symmetric in pairs
On position, and it is connected with data collecting instrument, the inner layer metal pipe passes through outer layer metal tube and centerlock, described to lead
Quick-fried rope passes through inner layer metal pipe and centerlock, and the transmission medium is arranged in internal layer metal tube.
When measurement, primacord is ignited by initiator detonating capsule, under the action of transmission medium, primacord is exploded
When the pressure stepless action that generates make inner layer metal tube swelling on internal layer metal tube and hit outer layer metal tube, while data
Pressure time-process curve when Explosion composite is recorded by pressure sensor for Acquisition Instrument；When calculating, transmission medium is acted on interior
Incident pressure (first peak value) is generated when metal tube and is denoted as inner tube expansion start time, and inner metal tube is hit into outer metal tube and is produced
Raw reflected pressure (second peak value) is denoted as the interior tube swelling end time, then according to bimodal interval time in curve and interior
Outer metal tube distance computation inner metal tube speed of expansion.
Preferably, the pressure sensor has 2n, is arranged in internal layer gold after 2n pressure sensor radial symmetric combination
Belong on the specified position of inside pipe wall；Wherein, n >=1, and be natural number.
Preferably, the pressure sensor is film like structures.
Preferably, the pressure sensor is PVDF pressure sensor or alloy thin film pressure sensor.
Preferably, all leads of the pressure sensor pass through inner layer metal pipe one end opposite from fuse arming test experiment initiation end
It draws.
Preferably, there is gap, which can make internal layer between the inner layer metal pipe outer wall and outer layer metal inside pipe wall
Metal tube expands after primacord explosion and hits outer layer metal tube.
Preferably, the inner layer metal pipe is aluminum pipe or copper pipe, and the outer layer metal tube is steel pipe or cast iron pipe.
Preferably, the length of the primacord is greater than the length of inner layer metal pipe and outer layer metal tube, the primacord
Inner layer metal pipe certain length is stretched out in bottom.
Preferably, the transmission medium is liquid；The data collecting instrument is oscillograph or capture card, and sample frequency is not
Lower than 10M/s；The primacord is aluminum hull primacord or industrial detonating fuse, and the initiator is high energy pulse initiator or laser
Initiator.
Another object of the present invention can be achieved through the following technical solutions:
Inner tube speed of expansion measurement method when metal tube Explosion composite, the described method comprises the following steps:
1) the inner layer metal pipe and outer layer metal tube that material meets the requirements and size matches are selected；
2) pressure sensor is respectively adhered on the position of inner layer metal inside pipe wall radial symmetric；
3) pressure sensor is connected with data collecting instrument respectively；
4) inner layer metal pipe is passed through into outer layer metal tube and centerlock；
5) primacord is passed through into inner layer metal pipe and centerlock；
6) bottom end of inner layer metal pipe is blocked, transmission medium is placed in inner layer metal pipe；
7) after primacord bottom end being connected detonator, using igniting primacord after initiator detonating capsule；
8) after detonating, inner layer metal pipe is compounded on outer layer metal tube, data collecting instrument is acquired by pressure sensor
Corresponding pressure time-process curve when to metal tube Explosion composite；
9) interval time of bimodal determination and inner layer metal in the pressure time-process curve according to corresponding to pressure sensor
Spacing between pipe and outer layer metal tube calculates the average speed of inner layer metal tube swelling.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1, the present invention in primacord explosion energy be acted on by transmission medium so that pressure sensor measure into
Be not damaged so as to after injection pressure at the same measure reflected pressure have the characteristics that get the pressure time-process curve arrived it is bimodal, therefore
The average speed of inner metal tube expansion can be obtained by single pressure sensor, it can be for metal tube Parameters of Explosive Cladding really
It is fixed that foundation is provided, to reach preferable composite effect, in addition the incident pressure of the inner layer metal pipe of pressure sensor record with
And inner layer metal pipe hits outer layer metal tube and generates the determination that reflected pressure time-history curves can also be metal tube Parameters of Explosive Cladding
Reference is provided.
2, the pressure sensor in the present invention has 2n (n >=1, and be natural number) a, as n > 1,2n pressure sensor
Radial symmetric combination after can be equally spaced on a bus of internal layer inner wall of metal tube, by pressure sensor axial spacing with
The time interval of record calculates the pressing speed of metal tube compound tense, then according to inner layer metal tube swelling speed and pressing speed
Pressing angle after degree acquisition metal tube is compound, to provide foundation for explosion velocity of explosive adjustment.
3, the present invention in pressure sensor be arranged on the position of inner metal tube inner wall radial symmetric, can effectively reduce because
Error caused by inner layer metal pipe and outer layer metal tube position deviation, to improve measurement accuracy.
Detailed description of the invention
Inner tube speed of expansion measuring device structural schematic diagram when Fig. 1 is the metal tube Explosion composite of the embodiment of the present invention 1.
Data collecting instrument in inner tube speed of expansion measuring device when Fig. 2 is the metal tube Explosion composite of the embodiment of the present invention 1
Collected pressure time-process curve graph.
Wherein, 1- primacord, 2- initiator, 3- transmission medium, 4- data collecting instrument, 5- pressure sensor, 6- detonator, 7-
Inner layer metal pipe, 8- outer layer metal tube.
Specific embodiment
Present invention will now be described in further detail with reference to the embodiments and the accompanying drawings, but embodiments of the present invention are unlimited
In this.
Embodiment 1:
As shown in Figure 1, inner tube speed of expansion measuring device when present embodiments providing a kind of metal tube Explosion composite, the dress
It sets including primacord 1, initiator 2, metal tube, transmission medium 3, data collecting instrument 4 and pressure sensor 5, the primacord 1 is logical
It is ignited after crossing 2 detonating capsule 6 of initiator, the metal tube includes inner layer metal pipe 7 and outer layer metal tube 8, the pressure sensing
Device 5 is pasted on the position of 7 inner wall radial symmetric of inner layer metal pipe in pairs, and is connected with data collecting instrument 4, the inner layer metal
Pipe 7 passes through outer layer metal tube 8 and centerlock, and the primacord 1 passes through inner layer metal pipe 7 and is fixed on interposition
It sets, the transmission medium 3 is arranged in internal layer metal tube 7.
The pressure sensor 5 is arranged on the position of 7 inner wall radial symmetric of inner layer metal pipe, it is possible to reduce because of internal layer gold
Belong to error caused by the position deviation of pipe 7 and outer layer metal tube 8, they are film like structures, it is preferred to use PVDF
(Polyvinylidene Fluoride, polyvinyladine floride, by polarization) pressure sensor, each PVDF pressure sensor
Size is 3mm × 6mm, and each PVDF pressure sensor is not damaged after the explosion of primacord 1, therefore can measure internal layer gold simultaneously
Belong to 7 inner wall incident pressure of pipe and inner layer metal pipe 7 hits the reflected pressure time-history curves of outer layer metal tube 8；Pressure sensor 5
All leads pass through inner layer metal pipe 7 and draw from the opposite one end of 1 initiation ends of primacord, avoid it before collecting complete signal
It is blown up by primacord 1.
The inner layer metal pipe 7 can be aluminum pipe, outer diameter 30mm, internal diameter 28mm, length 40cm, outer layer metal
Pipe 8 can be steel pipe, outer diameter 38mm, internal diameter 32mm, length 35cm；7 outer wall of inner layer metal pipe and outer layer metal
There is gap, which cannot be excessive between 8 inner wall of pipe, it is ensured that inner layer metal pipe 7 is expanded after the explosion of primacord 1 and hit outer
Layer metal tube 8, enables pressure sensor 5 to measure reflected pressure.
The line density and explosion velocity of the primacord 1 need to meet Explosion composite requirement, can use aluminum hull primacord, outer diameter
2mm, internal diameter 1.4mm, line density 2.0g/m, whole length are greater than the length of inner layer metal pipe 7 and outer layer metal tube 8,
7 certain length of inner layer metal pipe is stretched out in the bottom of the primacord 1, convenient for igniting primacord 1.
The initiator 2 can be ignited primacord 1 by way of detonating capsule 6 using high energy pulse initiator；
Wherein, the detonator 6 that the present embodiment uses is Nonel detonator.
The transmission medium 3 has the characteristics that mobility is preferably small with compressibility, can use water, can be by primacord
The pressure stepless action that 1 explosion time generates is on internal layer metal tube 7.
The data collecting instrument 4 has store function and has enough memory lengths and higher sample frequency, can use
Tyke oscillograph, sample frequency 50M/s.
Inner tube speed of expansion measuring device working principle when the metal tube Explosion composite of the present embodiment are as follows:
Initiator 2 is ignited primacord 1 by way of detonating capsule 6, under the action of transmission medium 3, by primacord
The pressure stepless action that 1 explosion time generates expands inner layer metal pipe 7 and hits outer layer metal tube 8 on internal layer metal tube 7,
Inner layer metal pipe 7 is compounded on outer layer metal tube 8, while to collect metal tube quick-fried by pressure sensor 5 for data collecting instrument 4
Pressure time-process curve corresponding to compound tense is fried, as shown in Fig. 2, pressure corresponding to the pressure sensor 5 in symmetric position
Time-history curves bimodal interval time, (Δ t) was respectively 3.91 μ s, 3.17 μ s, in conjunction between inner layer metal pipe 7 and outer layer metal tube 8
Spacing (refer to the half of the difference between inner layer metal pipe outside diameter and outer layer metal bore, i.e. (32mm-30mm) 2=1mm,
Indicated with Δ L), according to speed calculation formula, (speed of expansion that v=Δ L/ Δ t) is calculated is respectively 255.75m/s, 315.45m/
S, therefore speed of expansion average value of the inner layer metal pipe 7 in Explosion composite is 285.6m/s.
Embodiment 2:
Inner tube speed of expansion measurement method when present embodiments providing a kind of metal tube Explosion composite, this method include following
Step:
Step 1: selecting the inner layer metal pipe and outer layer metal tube that material meets the requirements and size matches；
Step 2: pressure sensor is pasted onto pairs respectively on the position of inner layer metal inside pipe wall radial symmetric；
Step 3: pressure sensor is connected with data collecting instrument respectively；
Step 4: inner layer metal pipe is passed through outer layer metal tube and centerlock；
Step 5: primacord is passed through inner layer metal pipe and centerlock；
Step 6: the bottom end of inner layer metal pipe is blocked, inject water into inner layer metal pipe；
Step 7: after primacord bottom end is connected detonator, using igniting primacord after initiator detonating capsule；
Step 8: inner layer metal pipe is compounded on outer layer metal tube, data collecting instrument passes through pressure sensor after detonation
Collect pressure time-process curve corresponding when metal tube Explosion composite；
Step 9: interval time of bimodal determination and interior in the pressure time-process curve according to corresponding to pressure sensor
Spacing between layer metal tube and outer layer metal tube calculates the average speed of inner layer metal tube swelling.
Since the explosion energy of primacord is acted on by transmission medium, so that pressure sensor measures incident pressure
Reflected pressure is not destroyed so as to while measured when power, therefore finally can be according between bimodal determination in pressure time-process curve
Spacing between time and inner layer metal pipe and outer layer metal tube calculates the average speed of inner layer metal tube swelling；Measurement
When pressure sensor need to be arranged on the position of inner layer metal inside pipe wall radial symmetric, it is possible to reduce because of inner layer metal pipe and outer layer
Error caused by the position deviation of metal tube；Gap between inner layer metal pipe and outer layer metal tube cannot be excessive, it is ensured that internal layer
Metal tube expands and hits outer layer metal tube after primacord explosion, and pressure sensor is enable to measure reflected pressure；Pressure sensing
All leads of device pass through inner tube and draw from the other end at fuse arming test experiment initiation end, avoid its quilt before collecting complete signal
Primacord is blown up.
Embodiment 3:
The present embodiment is mainly characterized by: the pressure sensor has 2n (n >=1, and be natural number) a, is as n=1
The case where above-described embodiment 1, can be equally spaced after 2n pressure sensor radial symmetric combination in inner layer metal as n > 1
On one bus of inside pipe wall, the pressing of metal tube compound tense is calculated by pressure sensor axial spacing and the time interval of record
Speed, then according to inner layer metal tube swelling speed and pressing speed obtain metal tube it is compound after pressing angle, to be
Explosion velocity of explosive adjustment provides foundation.
In conclusion the present invention measured by pressure sensor metal tube Explosion composite when inner layer metal tube swelling speed
Degree, can provide foundation for the determination of metal tube Parameters of Explosive Cladding, to reach preferable composite effect, other pressure sensor
The incident pressure and inner layer metal pipe of the inner layer metal pipe of record hit outer layer metal tube and generate reflected pressure time-history curves
Reference can be provided for the determination of metal tube complex parameter.
The above, only the invention patent preferred embodiment, but the scope of protection of the patent of the present invention is not limited to
This, for example, pressure sensor can also use alloy thin film pressure sensor, inner layer metal pipe can also use copper pipe, outer layer gold
Cast iron pipe can also be used by belonging to pipe, and transmission medium can also use other liquid, and data collecting instrument can also use capture card, lead
Quick-fried rope can also use industrial detonating fuse, and initiator can also be using Laser Initiating Device etc., any skill for being familiar with the art
Art personnel are in the range disclosed in the invention patent, and the technical solution of patent and its patent of invention design are subject to according to the present invention
Equivalent substitution or change belongs to the scope of protection of the patent of the present invention.
Claims (10)
1. inner tube speed of expansion measuring device when metal tube Explosion composite, including primacord and initiator, the primacord pass through
It is ignited after initiator detonating capsule, it is characterised in that: it further include metal tube, transmission medium, data collecting instrument and pressure sensor,
The metal tube includes inner layer metal pipe and outer layer metal tube, and the pressure sensor is pasted onto inner layer metal inside pipe wall diameter in pairs
It is connected on symmetrical position, and with data collecting instrument, the inner layer metal pipe passes through outer layer metal tube and is fixed on interposition
It sets, the primacord passes through inner layer metal pipe and centerlock, and the transmission medium is arranged in internal layer metal tube；
After the primacord is ignited, inner layer metal pipe is compounded on outer layer metal tube, data collecting instrument passes through pressure sensor
Collect pressure time-process curve corresponding when metal tube Explosion composite；The pressure time-process curve according to corresponding to pressure sensor
In bimodal determination interval time and inner layer metal pipe and outer layer metal tube between spacing, calculate inner layer metal tube swelling
Average speed.
2. inner tube speed of expansion measuring device when metal tube Explosion composite according to claim 1, it is characterised in that: described
Pressure sensor has 2n, is arranged in the specified position of inner layer metal inside pipe wall after 2n pressure sensor radial symmetric combination
On；Wherein, n >=1, and be natural number.
3. inner tube speed of expansion measuring device when metal tube Explosion composite according to claim 1 or 2, it is characterised in that:
The pressure sensor is film like structures.
4. inner tube speed of expansion measuring device when metal tube Explosion composite according to claim 3, it is characterised in that: described
Pressure sensor is PVDF pressure sensor or alloy thin film pressure sensor.
5. inner tube speed of expansion measuring device when metal tube Explosion composite according to claim 1 or 2, it is characterised in that:
All leads of the pressure sensor pass through inner layer metal pipe and draw from the opposite one end in fuse arming test experiment initiation end.
6. inner tube speed of expansion measuring device when metal tube Explosion composite according to claim 1 or 2, it is characterised in that:
There is gap, which can make inner layer metal pipe quick-fried in primacord between the inner layer metal pipe outer wall and outer layer metal inside pipe wall
It is expanded after fried and hits outer layer metal tube.
7. inner tube speed of expansion measuring device when metal tube Explosion composite according to claim 6, it is characterised in that: described
Inner layer metal pipe is aluminum pipe or copper pipe, and the outer layer metal tube is steel pipe or cast iron pipe.
8. inner tube speed of expansion measuring device when metal tube Explosion composite according to claim 1 or 2, it is characterised in that:
The length of the primacord is greater than the length of inner layer metal pipe and outer layer metal tube, and inner layer metal is stretched out in the bottom of the primacord
Pipe certain length.
9. inner tube speed of expansion measuring device when metal tube Explosion composite according to claim 1 or 2, it is characterised in that:
The transmission medium is liquid；The data collecting instrument is oscillograph or capture card, and sample frequency is not less than 10M/s；It is described
Primacord is aluminum hull primacord or industrial detonating fuse, and the initiator is high energy pulse initiator or Laser Initiating Device.
10. inner tube speed of expansion measurement method when metal tube Explosion composite, it is characterised in that: the described method comprises the following steps:
1) the inner layer metal pipe and outer layer metal tube that material meets the requirements and size matches are selected；
2) pressure sensor is pasted onto pairs respectively on the position of inner layer metal inside pipe wall radial symmetric；
3) pressure sensor is connected with data collecting instrument respectively；
4) inner layer metal pipe is passed through into outer layer metal tube and centerlock；
5) primacord is passed through into inner layer metal pipe and centerlock；
6) bottom end of inner layer metal pipe is blocked, transmission medium is placed in inner layer metal pipe；
7) after primacord bottom end being connected detonator, using igniting primacord after initiator detonating capsule；
8) after detonating, inner layer metal pipe is compounded on outer layer metal tube, data collecting instrument collects gold by pressure sensor
Belong to pressure time-process curve corresponding when pipe Explosion composite；
9) in the pressure time-process curve according to corresponding to pressure sensor the interval time of bimodal determination and inner layer metal pipe and
Spacing between outer layer metal tube calculates the average speed of inner layer metal tube swelling.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610532927.9A CN105928809B (en) | 2016-07-07 | 2016-07-07 | Measurement device and measurement method of inner tube expansion velocity when metal tube explodes and recombines |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610532927.9A CN105928809B (en) | 2016-07-07 | 2016-07-07 | Measurement device and measurement method of inner tube expansion velocity when metal tube explodes and recombines |
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| CN105928809B true CN105928809B (en) | 2019-03-08 |
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| FR3084464B1 (en) * | 2018-07-26 | 2021-02-26 | Centre Nat Rech Scient | DEVICE FOR EVALUATING THE STRENGTH OF A MATERIAL |
| CN110132761B (en) * | 2019-05-06 | 2021-11-09 | 南京理工大学 | Use method of measuring device for realizing pressure required by pressure bearing and rupture of metal diaphragm |
| CN110605473A (en) * | 2019-10-21 | 2019-12-24 | 郑州宇光复合材料有限公司 | Composite rod for buried antenna radio frequency device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1051245A (en) * | 1990-12-04 | 1991-05-08 | 北京理工大学 | The method and apparatus of testing output pressure of detonator |
| CN1227917A (en) * | 1998-12-14 | 1999-09-08 | 中国工程物理研究院应用电子学研究所 | Shock wave pressure test device |
| CN102861982A (en) * | 2011-07-05 | 2013-01-09 | 北京中国科学院老专家技术中心 | Method for welding composite plates and explosive used by same |
| CN103245574A (en) * | 2013-05-04 | 2013-08-14 | 太原科技大学 | Method and device for driving loading of metal flying piece by multistage detonation of explosive |
| CN103674383A (en) * | 2013-12-05 | 2014-03-26 | 中国科学技术大学 | Piezoelectric film type underwater explosion pressure sensor and measuring method thereof |
| CN104034505A (en) * | 2014-06-04 | 2014-09-10 | 南京理工大学 | Test system and test method for underwater explosion impact equivalent loading experiment |
| CN104550404A (en) * | 2013-10-21 | 2015-04-29 | 张宝军 | Bimetal tube deflagration composite device and bimetal tube production process thereof |
| CN205826440U (en) * | 2016-07-07 | 2016-12-21 | 宏大矿业有限公司 | Inner tube speed of expansion measurement apparatus during metal tube Explosion composite |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5822933A (en) * | 1981-08-04 | 1983-02-10 | Toshiba Corp | Pressure resistance and explosionproof absolute pressure transducer |
-
2016
- 2016-07-07 CN CN201610532927.9A patent/CN105928809B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1051245A (en) * | 1990-12-04 | 1991-05-08 | 北京理工大学 | The method and apparatus of testing output pressure of detonator |
| CN1227917A (en) * | 1998-12-14 | 1999-09-08 | 中国工程物理研究院应用电子学研究所 | Shock wave pressure test device |
| CN102861982A (en) * | 2011-07-05 | 2013-01-09 | 北京中国科学院老专家技术中心 | Method for welding composite plates and explosive used by same |
| CN103245574A (en) * | 2013-05-04 | 2013-08-14 | 太原科技大学 | Method and device for driving loading of metal flying piece by multistage detonation of explosive |
| CN104550404A (en) * | 2013-10-21 | 2015-04-29 | 张宝军 | Bimetal tube deflagration composite device and bimetal tube production process thereof |
| CN103674383A (en) * | 2013-12-05 | 2014-03-26 | 中国科学技术大学 | Piezoelectric film type underwater explosion pressure sensor and measuring method thereof |
| CN104034505A (en) * | 2014-06-04 | 2014-09-10 | 南京理工大学 | Test system and test method for underwater explosion impact equivalent loading experiment |
| CN205826440U (en) * | 2016-07-07 | 2016-12-21 | 宏大矿业有限公司 | Inner tube speed of expansion measurement apparatus during metal tube Explosion composite |
Non-Patent Citations (1)
| Title |
|---|
| 《铝-钢同轴管水封爆炸胀接撞击压力的研究》;余勇 等;《含能材料》;20160430;第24卷(第4期);第398页右栏第2段-第401页左栏第2段及图1-6 * |
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