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JPS5940907B2 - 超硬合金基体および表面層よりなる耐摩耗性成形部材 - Google Patents
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JPS5940907B2 - 超硬合金基体および表面層よりなる耐摩耗性成形部材 - Google Patents

超硬合金基体および表面層よりなる耐摩耗性成形部材

Info

Publication number
JPS5940907B2
JPS5940907B2 JP51062164A JP6216476A JPS5940907B2 JP S5940907 B2 JPS5940907 B2 JP S5940907B2 JP 51062164 A JP51062164 A JP 51062164A JP 6216476 A JP6216476 A JP 6216476A JP S5940907 B2 JPS5940907 B2 JP S5940907B2
Authority
JP
Japan
Prior art keywords
cemented carbide
wear
surface layer
molded part
layer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
JP51062164A
Other languages
English (en)
Other versions
JPS51148713A (en
Inventor
ノベルト・ライター
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fried Krupp AG
Original Assignee
Fried Krupp AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fried Krupp AG filed Critical Fried Krupp AG
Publication of JPS51148713A publication Critical patent/JPS51148713A/ja
Publication of JPS5940907B2 publication Critical patent/JPS5940907B2/ja
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C30/00—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process
    • C23C30/005—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process on hard metal substrates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
    • B23B27/14—Cutting tools of which the bits or tips or cutting inserts are of special material
    • B23B27/148—Composition of the cutting inserts
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
    • C23C16/22—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of inorganic material, other than metallic material
    • C23C16/30—Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
    • C23C16/38—Borides
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
    • C23C16/22—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of inorganic material, other than metallic material
    • C23C16/30—Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
    • C23C16/40—Oxides
    • C23C16/403—Oxides of aluminium, magnesium or beryllium
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
    • C23C16/22—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of inorganic material, other than metallic material
    • C23C16/30—Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
    • C23C16/40—Oxides
    • C23C16/405—Oxides of refractory metals or yttrium
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T407/00—Cutters, for shaping
    • Y10T407/27—Cutters, for shaping comprising tool of specific chemical composition
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
    • Y10T428/24983—Hardness
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
    • Y10T428/264—Up to 3 mils
    • Y10T428/265—1 mil or less
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31678—Of metal

Landscapes

  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Vapour Deposition (AREA)
  • Cutting Tools, Boring Holders, And Turrets (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)
  • Powder Metallurgy (AREA)

Description

【発明の詳細な説明】 本発明は超硬合金基体および表面層よりなり、超硬合金
基体が超硬物質として適する少なくとも１つの炭化物お
よび少なくとも１つの結合金属を含み、表面層が互いに
重なる２つの部分層からなり、その超耐摩耗性外側部分
層が酸化アルミニウムおよび（または）酸化ジルコニウ
ムよりなる耐摩耗性成形部材に関する。
内側部分層がチタン、ジルコニウム、ハフニウム、バナ
ジウム、ニオブ、タンタル、クロム、モリブデン、タン
グステン、ケイ素およびホウ素の１つまたは多数の炭化
物および（または）チッ化物から構成される成形部材は
西ドイツ公開特許公報第２２５３７４５号によりすでに
公知である。
この公知成形体は外側部分層がしばしば十分な付着力を
有さない欠点がある。本発明の目的は超硬合金基体へ適
当な内側部分層を設置することによつて超耐摩耗性外側
部分層の付着力を著しく改善し、それによつて本発明に
より形成される成形部材から製造される工具の寿命を向
上することである。
本発明の目的は内側部分層が元素チタン、ジルコニウム
、ハフニウム、バナジウム、ニオブ、タンタル、クロム
、モリブデンおよびタングステンの１つまたは多数のホ
ウ化物、とくに２ホウ化物から形成されることによつて
解決される。
２ホウ化物は気相から超硬合金体へきθπ容易に均一に
析出するのでとくに有利である。
本発明により得られる成形部材は内側部分層が０．５〜
２０Ｉｔｍ、とくに１〜３μｍの厚さ、外側部分層が０
．５〜２０μｍ、とくに２〜１０μｍの厚さを有する場
合とくに有利な性質を有する。
本発明により形成される成形部材は前記西ドイツ公開特
許公報第２２５３７４５号に開示される厚さ３μＭｆ）
ＴｉＣ内側部分層および厚さ５μｍのＡｌ２Ｏ３外側部
分層を有する公知の被覆された超硬合金体に比して次の
利点を有する：（ａ）外側部分層は内側ホウ化物層が超
硬合金基体からの炭素の拡散を高温でもほぼ完全に阻止
するので、非常に高い付着力を有する。
（ｂ）ホウ化物層と超硬合金基体の間に脆化に作用する
η層が形成されない。
（ｃ）本発明による成形部材は平滑な断面でも不連続的
断面でも著しく改善された摩粍挙動を示す。
本発明による成形部材は公知の被覆法により製造され、
ガス相からのホウ化物および酸化物層の析出がとくに有
利である。次に本発明による物体の製造および性質を実
施例によつて説明する。
モノ炭化タングステン８０％、炭化チタン１３％および
コバルト７％より成る超硬合金基体を１０００℃および
５０トルの圧力の第１反応工程で１時間３塩化ホウ素、
４塩化チタンおよび水素よりなる混合ガスで処理する。
超硬合金基体は１０００℃の反応温度まで保護ガス雰囲
気中で加熱される。次の混合ガスによる１時間の処理の
間に厚さ３μＭｆ）ＴｉＢ２層が発生する。ＴｉＢ２層
をつくるために水素１９００′／Ｈ．Ｔｉｃｌ４２Ｏｍ
ｌ／Ｈ．Ｂｃｌ３４７／ｈの組成の混合ガスが必要であ
る。第２反応工程においてＴｉＢ２で被覆された超硬合
金基体は１１００℃および大気圧で３時間３塩化アルミ
ニウム、２酸化炭素および（または）１酸化炭素ならび
に水素よりなる混合ガスで処理される。
第２反応工程で超硬合金基体に厚さ約５μｍのα酸化ア
ルミニウム層が析出する。第２反応工程で使用する混合
ガスは１３０℃に加熱した３塩化アルミニウムへ水素を
導き、次にこの混合ガスにＣＯ２またはＣＯを添加して
製造される。第２反応工程にはたとえば次の組成の反応
ガスが使用される：水素５００′／ｈ、２酸化炭素５１
／ｈ、３塩化アルミニウム２０ｆ／ＨＯ ２つの反応工程は１つまたは２つの別の炉で実施するこ
とができる。
本発明により構成された超硬合金体は前記公知法により
被覆した超硬合金体および被覆０Ｒ・超硬合金体に比し
て改善された性質を有する。

Claims (1)

  1. 【特許請求の範囲】 １ 超硬合金基体および表面層よりなり、超硬合金基体
    が超硬物質として適する少なくとも１つの炭化物および
    少なくとも１つの結合金属を含み、表面層が互いに重な
    る２つの部分層よりなり、その外側の超耐摩耗性部分層
    が酸化アルミニウムおよび（または）酸化ジルコニウム
    よりなる耐摩耗性成形部材において、内側部分層がチタ
    ン、ジルコニウム、ハフニウム、バナジウム、ニオブ、
    タンタル、クロム、モリブデンおよびタングステンの１
    つまたは多数のホウ化物からなることを特徴とする超硬
    合金基体および表面層よりなる耐摩耗性成形部材。 ２ ホウ化物としてチタン、ジルコニウム、ハフニウム
    、バナジウム、ニオブ、タンタル、クロム、モリブデン
    およびタングステンの２ホウ化物を使用する特許請求の
    範囲第１項記載の成形部材。 ３ 内側部分層が０．５〜２０μｍの厚さを有する特許
    請求の範囲第１項または第２項記載の成形部材。 ４ 外側部分層が０．５〜２０μｍの厚さを有する特許
    請求の範囲第１項〜第３項のいずれか１項に記載の成形
    部材。
JP51062164A 1975-06-06 1976-05-28 超硬合金基体および表面層よりなる耐摩耗性成形部材 Expired JPS5940907B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2525185A DE2525185C3 (de) 1975-06-06 1975-06-06 Hartmetallkörper

Publications (2)

Publication Number Publication Date
JPS51148713A JPS51148713A (en) 1976-12-21
JPS5940907B2 true JPS5940907B2 (ja) 1984-10-03

Family

ID=5948411

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51062164A Expired JPS5940907B2 (ja) 1975-06-06 1976-05-28 超硬合金基体および表面層よりなる耐摩耗性成形部材

Country Status (6)

Country Link
US (1) US4019873A (ja)
JP (1) JPS5940907B2 (ja)
DE (1) DE2525185C3 (ja)
FR (1) FR2313161A1 (ja)
GB (1) GB1499644A (ja)
IT (1) IT1060895B (ja)

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JPS51148713A (en) 1976-12-21
DE2525185A1 (de) 1976-12-23
DE2525185C3 (de) 1986-04-17
FR2313161A1 (fr) 1976-12-31
DE2525185B2 (de) 1980-02-21
US4019873A (en) 1977-04-26
IT1060895B (it) 1982-09-30
GB1499644A (en) 1978-02-01
FR2313161B1 (ja) 1980-01-25

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