JP5702021B1 - 遅れ破壊しない超硬合金を用いた超高圧発生用容器 - Google Patents
遅れ破壊しない超硬合金を用いた超高圧発生用容器 Download PDFInfo
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- JP5702021B1 JP5702021B1 JP2014237916A JP2014237916A JP5702021B1 JP 5702021 B1 JP5702021 B1 JP 5702021B1 JP 2014237916 A JP2014237916 A JP 2014237916A JP 2014237916 A JP2014237916 A JP 2014237916A JP 5702021 B1 JP5702021 B1 JP 5702021B1
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- 230000003111 delayed effect Effects 0.000 title abstract description 32
- 239000000843 powder Substances 0.000 claims abstract description 67
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 40
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 38
- 239000001301 oxygen Substances 0.000 claims abstract description 38
- 239000002994 raw material Substances 0.000 claims abstract description 23
- 239000002245 particle Substances 0.000 claims description 49
- 229910052759 nickel Inorganic materials 0.000 claims description 22
- 238000005245 sintering Methods 0.000 claims description 22
- 239000011230 binding agent Substances 0.000 claims description 20
- 239000000203 mixture Substances 0.000 claims description 14
- 229910009043 WC-Co Inorganic materials 0.000 claims description 7
- 229910020630 Co Ni Inorganic materials 0.000 claims description 3
- 229910002440 Co–Ni Inorganic materials 0.000 claims description 3
- 238000001291 vacuum drying Methods 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 230000009467 reduction Effects 0.000 abstract description 19
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract description 5
- 239000001257 hydrogen Substances 0.000 abstract description 5
- 229910052739 hydrogen Inorganic materials 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 52
- 229910045601 alloy Inorganic materials 0.000 description 20
- 239000000956 alloy Substances 0.000 description 20
- 230000009466 transformation Effects 0.000 description 19
- 239000012071 phase Substances 0.000 description 15
- 238000000034 method Methods 0.000 description 13
- 238000006467 substitution reaction Methods 0.000 description 13
- 238000012360 testing method Methods 0.000 description 13
- 229910052799 carbon Inorganic materials 0.000 description 11
- 239000007791 liquid phase Substances 0.000 description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 10
- 229910052804 chromium Inorganic materials 0.000 description 10
- 230000006378 damage Effects 0.000 description 10
- 229910002091 carbon monoxide Inorganic materials 0.000 description 9
- 238000005452 bending Methods 0.000 description 8
- 230000007423 decrease Effects 0.000 description 7
- 229910003460 diamond Inorganic materials 0.000 description 7
- 239000010432 diamond Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 229910020674 Co—B Inorganic materials 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 6
- 238000002474 experimental method Methods 0.000 description 6
- 150000001247 metal acetylides Chemical class 0.000 description 6
- 238000003786 synthesis reaction Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 238000009792 diffusion process Methods 0.000 description 5
- 238000000227 grinding Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000010587 phase diagram Methods 0.000 description 5
- 239000011148 porous material Substances 0.000 description 5
- 238000010298 pulverizing process Methods 0.000 description 5
- 238000010301 surface-oxidation reaction Methods 0.000 description 5
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
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- 230000005484 gravity Effects 0.000 description 3
- 238000001238 wet grinding Methods 0.000 description 3
- 229910020515 Co—W Inorganic materials 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 229910002056 binary alloy Inorganic materials 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
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- 239000000470 constituent Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
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- 230000007812 deficiency Effects 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
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- 229910052738 indium Inorganic materials 0.000 description 1
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- 238000000879 optical micrograph Methods 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
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- 238000007711 solidification Methods 0.000 description 1
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- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Powder Metallurgy (AREA)
Abstract
Description
1)Ni添加によって、液相出現温度が上昇する。
2)図5に示した非特許文献1によるC−Co−W、C−Ni−W三元系状態図より、CoよりもNiの方がよりW固溶量が多いことから、Ni置換するとオストワルド成長しやすくなる。
Claims (10)
- 原料粉末のうちCoについては粉末粒子内部の含有酸素量が0.2mass%以下のCo粉末を用いた、焼結後のWC平均粒度は0.1μm以上3.0μm以下、Co量は3mass%以上12mass%以下である、WC−Co系超硬合金で作製した、使用圧力が6GPa以下の超高圧発生用容器のアンビル、ピストンまたはシリンダー。
- WC粉末とCo粉末を予めCoが3mass%以上60mass%以下のWC−Co組成に調合して、この粉末の重量1に対し超硬合金製ボールを1以上10以下として湿式粉砕を1h以上8h以下行い、真空乾燥した後、真空雰囲気炉を用いて還元処理することにより、Co粉末の粉末粒子内部の含有酸素量を0.2mass%以下にしたものと、必要により追加のWC粉末を、原料として用いた、焼結後のWC平均粒度は0.1μm以上3.0μm以下、Co量は3mass%以上12mass%以下である、WC−Co系超硬合金で作製した、使用圧力が6GPa以下の超高圧発生用容器のアンビル、ピストンまたはシリンダー。
- 請求項1または請求項2の超硬合金に、VCを結合相とは別に結合相量に対して0を超え10mass%以下の量を追加した、超硬合金で作製した、使用圧力が6GPa以下の超高圧発生用容器のアンビル、ピストンまたはシリンダー。
- 請求項1または請求項2の超硬合金に、Cr3C2を結合相とは別に結合相量に対して0を超え15mass%以下の量を追加した、超硬合金で作製した、使用圧力が6GPa以下の超高圧発生用容器のアンビル、ピストンまたはシリンダー。
- 請求項1または請求項2の超硬合金に、VCを結合相とは別に結合相量に対して0を超え10mass%以下の量を追加すると共に、Cr3C2を結合相とは別に結合相量に対して0を超え15mass%以下の量を追加した、超硬合金で作製した、使用圧力が6GPa以下の超高圧発生用容器のアンビル、ピストンまたはシリンダー。
- 結合相の原料のうち25mass%以上30mass%以下がNiであり、結合相の原料の残部がCoであり、かつ結合相の原料全体の粉末粒子内部の含有酸素量が0.2mass%以下であり、焼結後のWC平均粒度は0.3μmを越え3.0μm以下、CoとNiの合計量は3mass%以上12mass%以下である、WC−Co−Ni系超硬合金で作製した、超高圧発生用容器のアンビル、ピストンまたはシリンダー。
- WC粉末とCo粉末を予めCoが3mass%以上60mass%以下のWC−Co組成に調合して、この粉末の重量1に対し超硬合金製ボールを1以上10以下として湿式粉砕を1h以上8h以下行い、真空乾燥した後、真空雰囲気炉を用いて還元処理することにより、Co粉末の粉末粒子内部の含有酸素量を0.2mass%以下にしたものと、Ni粉末および必要により追加のWC粉末を、原料として用いた、結合相の原料のうち25mass%以上30mass%以下がNiであり、結合相の原料の残部がCoであり、かつ結合相の原料全体の粉末粒子内部の含有酸素量が0.2mass%以下であり、焼結後のWC平均粒度は0.3μmを越え3.0μm以下、CoとNiの合計量は3mass%以上12mass%以下である、WC−Co−Ni系超硬合金で作製した、超高圧発生用容器のアンビル、ピストンまたはシリンダー。
- 請求項6または請求項7の超硬合金に、VCを結合相とは別に結合相量に対して0を超え10mass%以下の量を追加した、超硬合金で作製した、超高圧発生用容器のアンビル、ピストンまたはシリンダー。
- 請求項6または請求項7の超硬合金に、Cr3C2を結合相とは別に結合相量に対して0を超え15mass%以下の量を追加した、超硬合金で作製した、超高圧発生用容器のアンビル、ピストンまたはシリンダー。
- 請求項6または請求項7の超硬合金に、VCを結合相とは別に結合相量に対して0を超え10mass%以下の量を追加すると共に、Cr3C2を結合相とは別に結合相量に対して0を超え15mass%以下の量を追加した、超硬合金で作製した、超高圧発生用容器のアンビル、ピストンまたはシリンダー。
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CN107790710B (zh) * | 2017-10-31 | 2019-10-18 | 深圳市海明润超硬材料股份有限公司 | 一种金刚石复合片及其制备方法 |
WO2022230110A1 (ja) | 2021-04-28 | 2022-11-03 | 住友電工ハードメタル株式会社 | 超硬合金及びそれを用いた超高圧発生装置用金型 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0598384A (ja) * | 1991-10-08 | 1993-04-20 | Mitsubishi Materials Corp | 高強度および高硬度を有する炭化タングステン基超硬合金 |
JPH06264158A (ja) * | 1991-10-08 | 1994-09-20 | Mitsubishi Materials Corp | 高強度および高硬度を有する炭化タングステン基超硬合金の製造法 |
JPH0860273A (ja) * | 1994-08-22 | 1996-03-05 | Mitsubishi Materials Corp | 高強度炭化タングステン基超硬合金の製造法 |
JPH108181A (ja) * | 1996-06-19 | 1998-01-13 | Fuji Dies Kk | 高強度超硬合金 |
JP2001181777A (ja) * | 1999-12-24 | 2001-07-03 | Fuji Dies Kk | 超高圧発生装置用シリンダーコアおよびアンビルコア |
JP2007191741A (ja) * | 2006-01-18 | 2007-08-02 | Hitachi Tool Engineering Ltd | Wc基超硬合金及びその製造方法 |
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- 2014-11-25 JP JP2014237916A patent/JP5702021B1/ja active Active
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0598384A (ja) * | 1991-10-08 | 1993-04-20 | Mitsubishi Materials Corp | 高強度および高硬度を有する炭化タングステン基超硬合金 |
JPH06264158A (ja) * | 1991-10-08 | 1994-09-20 | Mitsubishi Materials Corp | 高強度および高硬度を有する炭化タングステン基超硬合金の製造法 |
JPH0860273A (ja) * | 1994-08-22 | 1996-03-05 | Mitsubishi Materials Corp | 高強度炭化タングステン基超硬合金の製造法 |
JPH108181A (ja) * | 1996-06-19 | 1998-01-13 | Fuji Dies Kk | 高強度超硬合金 |
JP2001181777A (ja) * | 1999-12-24 | 2001-07-03 | Fuji Dies Kk | 超高圧発生装置用シリンダーコアおよびアンビルコア |
JP2007191741A (ja) * | 2006-01-18 | 2007-08-02 | Hitachi Tool Engineering Ltd | Wc基超硬合金及びその製造方法 |
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