JP5325201B2 - イリジウム含有合金からなる金属線材 - Google Patents
イリジウム含有合金からなる金属線材 Download PDFInfo
- Publication number
- JP5325201B2 JP5325201B2 JP2010289557A JP2010289557A JP5325201B2 JP 5325201 B2 JP5325201 B2 JP 5325201B2 JP 2010289557 A JP2010289557 A JP 2010289557A JP 2010289557 A JP2010289557 A JP 2010289557A JP 5325201 B2 JP5325201 B2 JP 5325201B2
- Authority
- JP
- Japan
- Prior art keywords
- iridium
- processing
- wire
- orientation
- metal wire
- 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.)
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C28/00—Alloys based on a metal not provided for in groups C22C5/00 - C22C27/00
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C5/00—Alloys based on noble metals
- C22C5/04—Alloys based on a platinum group metal
-
- 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
- B21C1/003—Drawing materials of special alloys so far as the composition of the alloy requires or permits special drawing methods or sequences
-
- 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
- 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
- B21C1/16—Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/14—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of noble metals or alloys based thereon
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T13/00—Sparking plugs
- H01T13/20—Sparking plugs characterised by features of the electrodes or insulation
- H01T13/39—Selection of materials for electrodes
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Metal Extraction Processes (AREA)
- Forging (AREA)
- Spark Plugs (AREA)
Description
(イリジウムインゴットの製造)
水冷銅鋳型を用いて高周波溶解したイリジウム溶湯から、引き上げ法(引き上げ速度10mm/min)により直径12mmのイリジウムインゴットを製造した。本実施形態で製造したイリジウムインゴットについて、その中央部分についてX線回折を行った。その結果を図1に示すが、回転引き上げ法により製造されたインゴットは{100}面のピーク強度が極めて高く現れ、高い配向性を有する。
上記で製造したイリジウムインゴットを図2に示す工程を経て線材へと加工した。この加工工程は、2軸加圧の熱間鍛造、熱間溝ロール圧延の各工程で目的寸法となるまで繰り返し加工を行っている。また、それぞれの加工工程においては、適宜に被加工材の硬度を測定し、硬度が550Hvを超えないことを確認している。そして、次の加工により硬度が550Hvを超える可能性がある際には、中間熱処理を行っている。本実施形態では、熱間溝ロール圧延の後に必要に応じて熱間スェージャー加工を加えている。
Claims (4)
- イリジウム、又は、ロジウム、白金、ニッケルのいずれか一種の元素を5重量%以下含み残部がイリジウムからなるイリジウム含有合金からなる金属線材であって、
その断面の、少なくとも断面1/2円から外側の外周部において、結晶方位が<100>方向に優先方位を持つ集合組織の存在比率が50%以上である2軸配向性を有する金属線材。 - 断面全体において、結晶方位が<100>方向に優先方位を持つ集合組織の存在比率が50%以上である請求項1記載の2軸配向性を有する金属線材。
- 請求項1又は請求項2記載の金属線材の製造方法であって、
イリジウム又はイリジウム含有合金のインゴットを中間熱処理を加えながら2軸加圧により棒状体にする第1工程と、
前記棒状体を伸線加工して線材とする第2工程と、を含み、
前記第1工程における加工材の硬度を550Hv以下に維持すると共に、前記中間熱処理の温度を再結晶温度以下とする方法。 - イリジウム又はイリジウム含有合金のインゴットを、回転引き上げ法により製造する請求項3記載の金属線材の製造方法。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010289557A JP5325201B2 (ja) | 2010-12-27 | 2010-12-27 | イリジウム含有合金からなる金属線材 |
PCT/JP2011/079033 WO2012090714A1 (ja) | 2010-12-27 | 2011-12-15 | イリジウム含有合金からなる金属線材 |
EP11853343.9A EP2660341A4 (en) | 2010-12-27 | 2011-12-15 | METAL ROLLED WIRE OF AN IRIDIUM-BASED ALLOY |
KR1020137014961A KR101531454B1 (ko) | 2010-12-27 | 2011-12-15 | 이리듐 함유 합금으로 이루어지는 금속 선재 |
CN201180062378.9A CN103282523B (zh) | 2010-12-27 | 2011-12-15 | 由含铱合金构成的金属线材 |
US13/882,572 US10047415B2 (en) | 2010-12-27 | 2011-12-15 | Metallic wire rod comprising iridium-containing alloy |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010289557A JP5325201B2 (ja) | 2010-12-27 | 2010-12-27 | イリジウム含有合金からなる金属線材 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012136733A JP2012136733A (ja) | 2012-07-19 |
JP5325201B2 true JP5325201B2 (ja) | 2013-10-23 |
Family
ID=46382827
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010289557A Active JP5325201B2 (ja) | 2010-12-27 | 2010-12-27 | イリジウム含有合金からなる金属線材 |
Country Status (6)
Country | Link |
---|---|
US (1) | US10047415B2 (ja) |
EP (1) | EP2660341A4 (ja) |
JP (1) | JP5325201B2 (ja) |
KR (1) | KR101531454B1 (ja) |
CN (1) | CN103282523B (ja) |
WO (1) | WO2012090714A1 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6243275B2 (ja) * | 2014-03-28 | 2017-12-06 | 田中貴金属工業株式会社 | イリジウム又はイリジウム合金からなる金属線材 |
JP2017113800A (ja) * | 2015-12-25 | 2017-06-29 | 株式会社徳力本店 | Ir合金線材の製造方法及びIr合金線材 |
EP3666913A1 (en) | 2017-06-27 | 2020-06-17 | C & A Corporation | Metal member |
JP6674496B2 (ja) | 2018-03-26 | 2020-04-01 | 日本特殊陶業株式会社 | スパークプラグ及びその製造方法 |
WO2023158448A1 (en) * | 2022-02-19 | 2023-08-24 | Massachusetts Institute Of Technology | Directional recrystallization processing of additively manufactured metal alloys |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07268574A (ja) * | 1994-03-25 | 1995-10-17 | Tanaka Kikinzoku Kogyo Kk | イリジウム線の製造方法 |
JP2000331770A (ja) * | 1999-05-19 | 2000-11-30 | Ngk Spark Plug Co Ltd | スパークプラグ及び放電チップの製造方法 |
JP2002359052A (ja) | 2001-05-31 | 2002-12-13 | Tokuriki Honten Co Ltd | 発火用複合電極材料 |
US7235143B2 (en) * | 2002-08-08 | 2007-06-26 | Praxair S.T. Technology, Inc. | Controlled-grain-precious metal sputter targets |
WO2004107517A1 (ja) * | 2003-05-28 | 2004-12-09 | Ngk Spark Plug Co., Ltd. | スパークプラグ |
JP2009107289A (ja) * | 2007-10-31 | 2009-05-21 | Canon Finetech Inc | 画像形成システム、該システムに用いられる情報処理装置および方法 |
KR101055957B1 (ko) * | 2007-12-03 | 2011-08-09 | 가부시키가이샤 닛데쓰 마이크로 메탈 | 반도체 장치용 본딩 와이어 |
JP4213761B1 (ja) | 2008-02-27 | 2009-01-21 | 田中貴金属工業株式会社 | 硬度、加工性、並びに、防汚特性に優れたイリジウム合金 |
JP5273725B2 (ja) * | 2009-03-13 | 2013-08-28 | 田中貴金属工業株式会社 | 内燃機関用プラグ電極材料 |
-
2010
- 2010-12-27 JP JP2010289557A patent/JP5325201B2/ja active Active
-
2011
- 2011-12-15 CN CN201180062378.9A patent/CN103282523B/zh not_active Expired - Fee Related
- 2011-12-15 US US13/882,572 patent/US10047415B2/en not_active Expired - Fee Related
- 2011-12-15 WO PCT/JP2011/079033 patent/WO2012090714A1/ja active Application Filing
- 2011-12-15 KR KR1020137014961A patent/KR101531454B1/ko active IP Right Grant
- 2011-12-15 EP EP11853343.9A patent/EP2660341A4/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
KR101531454B1 (ko) | 2015-06-25 |
CN103282523B (zh) | 2015-04-15 |
CN103282523A (zh) | 2013-09-04 |
EP2660341A4 (en) | 2016-09-14 |
EP2660341A1 (en) | 2013-11-06 |
WO2012090714A1 (ja) | 2012-07-05 |
US10047415B2 (en) | 2018-08-14 |
JP2012136733A (ja) | 2012-07-19 |
KR20130109182A (ko) | 2013-10-07 |
US20130213107A1 (en) | 2013-08-22 |
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