JP5037340B2 - 特性が強化されたチタン合金ワイヤーの製造方法 - Google Patents
特性が強化されたチタン合金ワイヤーの製造方法 Download PDFInfo
- Publication number
- JP5037340B2 JP5037340B2 JP2007522498A JP2007522498A JP5037340B2 JP 5037340 B2 JP5037340 B2 JP 5037340B2 JP 2007522498 A JP2007522498 A JP 2007522498A JP 2007522498 A JP2007522498 A JP 2007522498A JP 5037340 B2 JP5037340 B2 JP 5037340B2
- Authority
- JP
- Japan
- Prior art keywords
- manufacturing
- reinforcing material
- wire
- rod
- titanium alloy
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- 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 - Fee Related
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/17—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces by forging
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/10—Alloys containing non-metals
- C22C1/1036—Alloys containing non-metals starting from a melt
- C22C1/1042—Alloys containing non-metals starting from a melt by atomising
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C1/00—Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/10—Sintering only
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
- B22F5/12—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of wires
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
- B22F2998/10—Processes characterised by the sequence of their steps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Powder Metallurgy (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Forging (AREA)
- Metal Extraction Processes (AREA)
Description
本発明は、チタン合金ワイヤーの製造方法に関するものである。より詳細には、例えばTiBおよび/またはTiC等の補強材である不連続性析出粒子(precipitated discontinuous particulates)が合金に添加され、当該粒子により補強が強化されるという、新規の改良された方法により、チタン合金ワイヤーが製造されるという製造方法に関する。
TiB粒子および/またはTiC粒子の添加により、チタンの一般的な合金、Ti6A1−4V、が補強と強化とがなされるということが記載された製造方法に関する文献が報告されている。このことは、Ti6A1−4V合金を航空宇宙産業へ広範囲に応用できる点および、Ti6A1−4V合金は最も手ごろなものの1つであるという点で、重要である。強化により、著しい費用の影響を受けることなく、そのような合金の実用的な応用範囲を広範囲に広げることが可能であるため、航空宇宙設計団体にとっては非常に興味深いものである。報告されている上記製造方法においては、Ti6A1−4V鋳物は、鋳造する前に融解物に添加されるTiBおよび/またはTiCを添加して製造される。これらの添加物は、融解物に溶解し、そして冷却中に再結晶化して多様な大きさの不連続補強材を成形する。熱間静水圧圧縮成形(hot isostatic pressing, HIP)および押し出し成形(extrusion)により硬化された物では、TiBおよび/またはTiCの添加濃度に依存して引張強度および引張弾性率が、改善されることが実証されている。
本発明は、ワイヤー/繊維複合物への応用が適しているチタン合金ワイヤーの製造方法に関し、通常、鋼片を鋳造することまたはガス噴霧法によって望ましい合金を成形する工程、均一な化学性質と微細構造とを形成するために熱間鍛造を行う工程、例えば直径約0.2インチのロッドまたはコイルに合致させる工程、および例えば直径約0.05インチのワイヤーになるよう低温で延伸する工程を含んでいる。
本発明の方法は、補強材の析出法と新たに改良されたワイヤーの製造方法とを併用することにより、補強材を高濃度で含有する場合にも、主に粒径が微細な補強材を製造するためになされた。ワイヤー/繊維複合物への利用に適した典型的な微細ワイヤーの製造方法は、例えば米国特許第5763079号に記載されているように4つの主たる工程からなる。すなわち、上記4つの主たる工程は、鋼片を鋳造すること望ましい合金を成形する工程、均一な化学性質と微細構造とを作製するために熱間鍛造を行う工程、直径約0.2インチのロッド(またはコイル)を加熱成形する工程、および直径約0.05インチのワイヤーになるように低温で延伸する工程である。
Claims (8)
- 補強されたチタン合金ワイヤーの製造方法であって、
不連続性析出補強材の粒子を含むチタン合金の棒を成形する成形工程と、
上記棒を加熱成形して、ロッドまたはコイル状に縮小させる加熱成形工程と、
上記ロッドまたはコイルを連続操作により1200゜F〜2000゜Fで延伸して、ワイヤーの直径を縮小させる低温延伸工程とを含み、
上記低温延伸工程は、補強材粒子の大きさを縮小するために当該補強材粒子を再結晶化させ、かつ加工硬化を軽減するために、不活性ガス内にて断続的なワイヤーの焼きなましを行う焼きなまし工程を含み、
上記焼きなまし工程は、不活性ガス内で強制不活性ガス冷却により、1時間の間に縮小が累積でワイヤーの直径の50%になる間隔で行われる製造方法。 - 上記棒は、加熱成形される前に、均一な化学的性質および微細構造を形成するために熱間鍛造される請求項1に記載の製造方法。
- 上記補強材がTiBである請求項1に記載の製造方法。
- 上記補強材がTiCである請求項1に記載の製造方法。
- 上記補強材がTiBおよびTiCである請求項1に記載の製造方法。
- 上記チタン合金が、Ti−6Al−4Vである請求項1に記載の製造方法。
- 上記チタン合金が、Ti−6Al−2Sn−4Zr−2Moである請求項1に記載の製造方法。
- 上記加熱成形工程の温度が1750゜Fである請求項1に記載の製造方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/895,885 US20060016521A1 (en) | 2004-07-22 | 2004-07-22 | Method for manufacturing titanium alloy wire with enhanced properties |
US10/895,885 | 2004-07-22 | ||
PCT/US2005/018492 WO2006022951A2 (en) | 2004-07-22 | 2005-05-25 | Method for manufacturing titanium alloy wire with enhanced properties |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008507624A JP2008507624A (ja) | 2008-03-13 |
JP5037340B2 true JP5037340B2 (ja) | 2012-09-26 |
Family
ID=35655874
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007522498A Expired - Fee Related JP5037340B2 (ja) | 2004-07-22 | 2005-05-25 | 特性が強化されたチタン合金ワイヤーの製造方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US20060016521A1 (ja) |
EP (1) | EP1784269B1 (ja) |
JP (1) | JP5037340B2 (ja) |
KR (1) | KR101184464B1 (ja) |
CN (1) | CN101068945B (ja) |
ES (1) | ES2385086T3 (ja) |
WO (1) | WO2006022951A2 (ja) |
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2004
- 2004-07-22 US US10/895,885 patent/US20060016521A1/en not_active Abandoned
-
2005
- 2005-05-25 KR KR1020077001471A patent/KR101184464B1/ko not_active IP Right Cessation
- 2005-05-25 WO PCT/US2005/018492 patent/WO2006022951A2/en active Application Filing
- 2005-05-25 ES ES05755493T patent/ES2385086T3/es active Active
- 2005-05-25 CN CN2005800243125A patent/CN101068945B/zh not_active Expired - Fee Related
- 2005-05-25 JP JP2007522498A patent/JP5037340B2/ja not_active Expired - Fee Related
- 2005-05-25 EP EP05755493A patent/EP1784269B1/en not_active Not-in-force
Also Published As
Publication number | Publication date |
---|---|
ES2385086T3 (es) | 2012-07-18 |
US20060016521A1 (en) | 2006-01-26 |
KR101184464B1 (ko) | 2012-09-21 |
KR20070035042A (ko) | 2007-03-29 |
CN101068945A (zh) | 2007-11-07 |
WO2006022951A2 (en) | 2006-03-02 |
JP2008507624A (ja) | 2008-03-13 |
EP1784269B1 (en) | 2011-12-14 |
EP1784269A2 (en) | 2007-05-16 |
CN101068945B (zh) | 2010-07-14 |
WO2006022951A3 (en) | 2007-08-02 |
EP1784269A4 (en) | 2008-03-05 |
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