JP5866009B2 - 摩擦攪拌接合ツール用タングステンカーバイド焼結体の製造方法 - Google Patents
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- C22C29/06—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds
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Description
Claims (4)
- ア)タングステンカーバイド(WC)粉末をグラファイト素材よりなるモールド内に充填する充填段階と、
イ)前記タングステンカーバイド粉末が充填された前記モールドを放電プラズマ焼結装置のチャンバ内に装着する装着段階と、
ウ)前記チャンバの内部を真空化する真空化段階と、
エ)前記モールド内の前記タングステンカーバイド粉末に一定圧力を保ちながら設定された昇温パターンによって昇温させながら最終目標温度に達するまで成形する成形段階と、
オ)前記成形段階後前記モールド内に加圧された圧力を保ちながら前記チャンバの内部を冷却する冷却段階と、を含み、
前記成形段階は、
エ-1)前記モールド内の前記タングステンカーバイド粉末に対して60℃/min〜150℃/minの昇温速度で1次目標温度まで1次昇温する段階と、
エ-2)前記1次目標温度を1〜10分間保つ段階と、
エ-3)前記モールド内の前記タングステンカーバイド粉末に対して30℃/min〜80℃/minの昇温速度で2次目標温度まで2次昇温する段階と、
エ-4)前記2次目標温度を1〜10分間保つ段階と、
エ-5)前記モールド内の前記タングステンカーバイド粉末に対して10℃/min〜80℃/minの昇温速度で3次目標温度まで3次昇温する段階と、
エ-6)前記3次目標温度を1〜10分間保つ段階と、
エ-7)前記モールド内の前記タングステンカーバイド粉末に対して10℃/min〜80℃/minの昇温速度で4次目標温度まで4次昇温する段階と、
エ-8)前記4次目標温度を1〜10分間保つ段階と、
エ-9)前記モールド内の前記タングステンカーバイド粉末に対して10℃/min〜80℃/minの昇温速度で5次目標温度まで5次昇温する段階と、
エ-10)前記5次目標温度を1〜10分間保つ段階と、
エ-11)前記モールド内の前記タングステンカーバイド粉末に対して10℃/min〜80℃/minの昇温速度で6次目標温度まで6次昇温する段階と、
エ-12)前記6次目標温度を1〜10分間保つ段階と、
エ-13)前記モールド内の前記タングステンカーバイド粉末に対して10℃/min〜80℃/minの昇温速度で7次最終目標温度まで7次昇温する段階と、
エ-14)前記7次最終目標温度を1〜10分間保つ段階と、を含み、
前記1次目標温度は550℃〜650℃であり、前記2次目標温度は900℃〜1005℃であり、前記3次目標温度は1010℃〜1105℃であり、前記4次目標温度は1110℃〜1205℃であり、前記5次目標温度は1210℃〜1305℃であり、前記6次目標温度は1310℃〜1405℃であり、前記7次最終目標温度は1410℃〜2000℃であることを特徴とする摩擦攪拌接合ツール用タングステンカーバイド焼結体の製造方法。 - 前記充填段階において、前記タングステンカーバイド粉末は粒子サイズ10nm〜100μmであり、前記タングステンカーバイド粉末を前記モールド内に充填し、成形プレスを用いて1400〜1600kgfの圧力で予備加圧を施し、5〜15分間保たせる予備加圧過程を含むことを特徴とする請求項1に記載の摩擦攪拌接合ツール用タングステンカーバイド焼結体の製造方法。
- 前記装着段階において、
前記モールド内に電界を印加するための前記チャンバ内の上部電極と前記モールド内に上方向から進む上部ポンチとの間にはグラファイト素材よりなる複数個の上部スペーサが前記上部ポンチに向かうほど外径が小さく形成されたものが適用され、前記チャンバ内の下部電極と前記モールド内に下方向から進む下部ポンチとの間にはグラファイト素材よりなる複数個の下部スペーサが前記下部ポンチに向かうほど外径が小さく形成されており、
前記上部スペーサは、前記上部電極から前記上部ポンチ方向に円形に形成された第1の上部スペーサと、第2の上部スペーサ及び第3の上部スペーサが設けられており、
前記下部スペーサは、前記チャンバ内の下部電極からモールド方向に円形に形成された第1の下部スペーサと、第2の下部スペーサ及び第3の下部スペーサが設けられており、
前記第1の上部スペーサ及び前記第1の下部スペーサは直径が350mm、厚さが30mmであり、前記第2の上部スペーサ及び前記第2の下部スペーサは直径が300mm、厚さが60mmであり、前記第3の上部スペーサ及び前記第3の下部スペーサは直径が100〜200mm、厚さが15〜30mmのものが適用されたことを特徴とする請求項1に記載の摩擦攪拌接合ツール用タングステンカーバイド焼結体の製造方法。 - 前記真空化段階は、
前記チャンバの内部で前記タングステンカーバイド粉末の酸化及び不純物による汚染を抑えるために6Pa〜1x10-3Paで前記チャンバの内部を真空化し、
前記成形段階は前記タングステンカーバイド粉末が充填された前記モールドの内部を30〜100MPaの圧力に保つことを特徴とする請求項1に記載の摩擦攪拌接合ツール用タングステンカーバイド焼結体の製造方法。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020110077366A KR101311480B1 (ko) | 2011-08-03 | 2011-08-03 | 마찰교반 접합툴용 텅스텐 카바이드 소결체 제조 방법 |
| KR10-2011-0077366 | 2011-08-03 | ||
| PCT/KR2011/009519 WO2013018957A1 (ko) | 2011-08-03 | 2011-12-09 | 마찰교반 접합툴용 텅스텐 카바이드 소결체 제조 방법 |
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| JP2014527124A JP2014527124A (ja) | 2014-10-09 |
| JP5866009B2 true JP5866009B2 (ja) | 2016-02-17 |
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| US (1) | US9580361B2 (ja) |
| JP (1) | JP5866009B2 (ja) |
| KR (1) | KR101311480B1 (ja) |
| WO (1) | WO2013018957A1 (ja) |
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| CN112091211A (zh) * | 2020-08-20 | 2020-12-18 | 上海交通大学 | 一种扩散多元节的制备方法 |
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| CN104057083B (zh) | 2013-03-22 | 2016-02-24 | 通用电气公司 | 用于制造以高熔点金属材料为基材的零件的方法 |
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| CN117532010B (zh) * | 2023-10-08 | 2025-10-17 | 上海前研高合新材料科技有限公司 | 一种可应用于航空轨道座椅的钛铝梯度材料及其制备方法 |
| CN120480200A (zh) * | 2025-07-21 | 2025-08-15 | 西安欧中材料科技股份有限公司 | 一种高温合金粉末高效低能耗回收再生的装置及方法 |
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| KR970017739A (ko) | 1995-09-06 | 1997-04-30 | 서두칠 | 탄탈분말의 소결방법 |
| JPH11279604A (ja) * | 1998-03-27 | 1999-10-12 | Ishifuku Metal Ind Co Ltd | 耐摩耗材製造方法 |
| US5989487A (en) * | 1999-03-23 | 1999-11-23 | Materials Modification, Inc. | Apparatus for bonding a particle material to near theoretical density |
| KR100763287B1 (ko) * | 2001-12-26 | 2007-10-04 | 에스피에스 신텍스 가부시키가이샤 | 탄화텅스텐계 초경질재료 및 그 제조방법 그리고 그재료를 사용한 표면성형용 성형형 및 그 성형형의 제조방법 |
| KR100638479B1 (ko) * | 2004-02-11 | 2006-10-25 | 학교법인 포항공과대학교 | 방전 플라즈마 소결법을 이용한 벌크 비정질 합금 및 벌크비정질 복합재료의 제조 방법 |
| FR2906242B1 (fr) * | 2006-09-27 | 2009-01-16 | Commissariat Energie Atomique | Procede d'assemblage de pieces en ceramique refractaire par frittage a chaud avec champ electrique pulse ("sps") |
| KR20080102786A (ko) | 2007-05-22 | 2008-11-26 | 희성금속 주식회사 | 방전플라즈마소결법을 이용한 산화아연계 스퍼터링 타겟제조방법 |
| KR100960732B1 (ko) | 2007-10-23 | 2010-05-31 | 한국생산기술연구원 | 스퍼터링 타겟용 탄탈륨 소결체 제조방법 |
| EP2198993B1 (en) * | 2008-12-19 | 2012-09-26 | EPoS S.r.L. | Sintering process and corresponding sintering system |
| JP2011062742A (ja) * | 2009-09-18 | 2011-03-31 | Sumitomo Electric Ind Ltd | 回転工具 |
| JP2011062743A (ja) * | 2009-09-18 | 2011-03-31 | Sumitomo Electric Ind Ltd | 回転工具及び焼結体 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112091211A (zh) * | 2020-08-20 | 2020-12-18 | 上海交通大学 | 一种扩散多元节的制备方法 |
Also Published As
| Publication number | Publication date |
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| JP2014527124A (ja) | 2014-10-09 |
| KR20130015396A (ko) | 2013-02-14 |
| US20140191443A1 (en) | 2014-07-10 |
| US9580361B2 (en) | 2017-02-28 |
| KR101311480B1 (ko) | 2013-11-13 |
| WO2013018957A1 (ko) | 2013-02-07 |
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