EP2789708A4 - Sintered tungsten alloy - Google Patents
Sintered tungsten alloyInfo
- Publication number
- EP2789708A4 EP2789708A4 EP12856450.7A EP12856450A EP2789708A4 EP 2789708 A4 EP2789708 A4 EP 2789708A4 EP 12856450 A EP12856450 A EP 12856450A EP 2789708 A4 EP2789708 A4 EP 2789708A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- tungsten alloy
- sintered tungsten
- sintered
- alloy
- tungsten
- 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.)
- Withdrawn
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C27/00—Alloys based on rhenium or a refractory metal not mentioned in groups C22C14/00 or C22C16/00
- C22C27/04—Alloys based on tungsten or molybdenum
-
- 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
- B22F3/24—After-treatment of workpieces or articles
-
- 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
- B22F5/006—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of flat products, e.g. sheets
-
- 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
- C22C1/04—Making non-ferrous alloys by powder metallurgy
- C22C1/045—Alloys based on refractory metals
-
- 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
- C22F1/02—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working in inert or controlled atmosphere or vacuum
-
- 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
- C22F1/16—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of other metals or alloys based thereon
- C22F1/18—High-melting or refractory metals or alloys based thereon
-
- 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
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12014—All metal or with adjacent metals having metal particles
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)
- Manufacturing & Machinery (AREA)
- Powder Metallurgy (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011267845 | 2011-12-07 | ||
PCT/JP2012/080565 WO2013084749A1 (en) | 2011-12-07 | 2012-11-27 | Sintered tungsten alloy |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2789708A1 EP2789708A1 (en) | 2014-10-15 |
EP2789708A4 true EP2789708A4 (en) | 2015-10-14 |
Family
ID=48574122
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12856450.7A Withdrawn EP2789708A4 (en) | 2011-12-07 | 2012-11-27 | Sintered tungsten alloy |
Country Status (4)
Country | Link |
---|---|
US (1) | US20140308536A1 (en) |
EP (1) | EP2789708A4 (en) |
JP (2) | JP5805213B2 (en) |
WO (2) | WO2013084749A1 (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5818045B1 (en) * | 2014-12-05 | 2015-11-18 | 株式会社半導体熱研究所 | Heat dissipation board and semiconductor package and semiconductor module using it |
RU2623566C1 (en) * | 2016-09-15 | 2017-06-27 | Российская Федерация, от имени которой выступает Государственная корпорация по атомной энергии "Росатом" (Госкорпорация "Росатом") | Method of manufacture of sintered porous products from tungsten-based pseudoalloy |
CN106756379B (en) * | 2017-01-10 | 2019-01-25 | 广州市华司特合金制品有限公司 | Tungsten alloy barricade and the electronic information card for being provided with tungsten alloy barricade |
CN110172598A (en) * | 2018-12-13 | 2019-08-27 | 苏州赛特锐精密机械配件有限公司 | A kind of method of co-injection preparation bi-component tungsten-copper alloy |
CN111910112B (en) * | 2020-07-01 | 2022-02-11 | 昆山家锐电子科技有限公司 | Tungsten-copper alloy material and preparation method and application thereof |
CN113817944B (en) * | 2021-09-13 | 2022-10-11 | 安泰天龙(北京)钨钼科技有限公司 | High-performance tungsten alloy bar and preparation method thereof |
CN115341125B (en) * | 2022-08-12 | 2023-06-06 | 广州市华司特合金制品有限公司 | Tungsten alloy medical shielding plate and preparation method thereof |
CN115478236B (en) * | 2022-08-30 | 2023-02-28 | 广州市华司特合金制品有限公司 | Heat treatment method of high specific gravity tungsten alloy |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101230427A (en) * | 2008-02-22 | 2008-07-30 | 中南大学 | Method for preparing grain-refining W-Ni-Fe alloy containing rare earth |
Family Cites Families (32)
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US3254995A (en) * | 1962-04-13 | 1966-06-07 | Powder Alloys Corp | Heavy metal alloys |
US3979234A (en) * | 1975-09-18 | 1976-09-07 | The United States Of America As Represented By The United States Energy Research And Development Administration | Process for fabricating articles of tungsten-nickel-iron alloy |
US4332617A (en) * | 1979-09-18 | 1982-06-01 | The United States Of America As Represented By The United States Department Of Energy | Method of fabricating thin-walled articles of tungsten-nickel-iron alloy |
DE3446334A1 (en) * | 1984-12-19 | 1986-06-19 | Philips Patentverwaltung Gmbh, 2000 Hamburg | METHOD FOR PRODUCING <111> PREFERENTIAL TUNGSTEN |
US4749410A (en) * | 1985-07-10 | 1988-06-07 | Gte Products Corporation | Elongated tungsten heavy metal aritcle and method for producing same |
US4801330A (en) * | 1987-05-12 | 1989-01-31 | Rensselaer Polytechnic Institute | High strength, high hardness tungsten heavy alloys with molybdenum additions and method |
US4851042A (en) * | 1987-05-12 | 1989-07-25 | Rensselaer Polytechnic Institute | Hardness and strength of heavy alloys by addition of tantalum |
US4743512A (en) * | 1987-06-30 | 1988-05-10 | Carpenter Technology Corporation | Method of manufacturing flat forms from metal powder and product formed therefrom |
FR2622209B1 (en) * | 1987-10-23 | 1990-01-26 | Cime Bocuze | HEAVY DUTIES OF TUNGSTENE-NICKEL-IRON WITH VERY HIGH MECHANICAL CHARACTERISTICS AND METHOD OF MANUFACTURING SAID ALLOYS |
US4768365A (en) * | 1987-11-23 | 1988-09-06 | Gte Products Corporation | Process for producing tungsten heavy alloy sheet |
JPH02122048A (en) * | 1988-10-31 | 1990-05-09 | Nippon Yakin Kogyo Co Ltd | Sintered tungsten alloy having high ductility at low temperature |
JPH0639641B2 (en) * | 1988-10-31 | 1994-05-25 | 日本冶金工業株式会社 | Method for producing tungsten sintered alloy |
JPH02259053A (en) * | 1989-03-31 | 1990-10-19 | Mitsubishi Metal Corp | Manufacture of hard tungsten-base sintered alloy member |
JPH03173738A (en) * | 1989-11-30 | 1991-07-29 | Nippon Yakin Kogyo Co Ltd | High strength and high toughness tungsten sintered alloy |
JPH0723516B2 (en) * | 1989-11-30 | 1995-03-15 | 日本冶金工業株式会社 | Method for producing tungsten sintered alloy |
JP2815656B2 (en) * | 1990-01-30 | 1998-10-27 | 三菱マテリアル株式会社 | High-strength heat-radiating structural member for packaged semiconductor devices |
JPH042736A (en) * | 1990-04-18 | 1992-01-07 | Japan Steel Works Ltd:The | Manufacture of high toughness w-ni-fe sintered alloy |
JPH0436428A (en) * | 1990-05-31 | 1992-02-06 | Nippon Yakin Kogyo Co Ltd | Manufacture of high toughness tungsten sintered alloy |
JP2726140B2 (en) * | 1990-05-31 | 1998-03-11 | 日本冶金工業株式会社 | High toughness tungsten sintered alloy |
JPH07116547B2 (en) * | 1990-05-31 | 1995-12-13 | 日本冶金工業株式会社 | High toughness tungsten sintered alloy |
JP2819906B2 (en) * | 1991-12-27 | 1998-11-05 | 住友金属工業株式会社 | Ni-base alloy for tools with excellent room and high temperature strength |
JPH05263163A (en) * | 1992-03-18 | 1993-10-12 | Japan Steel Works Ltd:The | Manufacture of w-ni-fe sintered alloy |
KR950005290B1 (en) * | 1992-08-06 | 1995-05-23 | 주식회사풍산 | Repeated sintering of tunsten based heavy alloys for improved impact toughness |
JPH06316706A (en) * | 1993-04-30 | 1994-11-15 | Japan Steel Works Ltd:The | Production of high strength w-ni-fe alloy sintered body |
JP3697559B2 (en) | 1995-08-31 | 2005-09-21 | 東邦金属株式会社 | Tungsten-based alloy material for radiation shielding |
JPH09235641A (en) | 1996-02-28 | 1997-09-09 | Toho Kinzoku Kk | Tungsten heavy alloy sheet its production |
JP3665169B2 (en) * | 1997-02-03 | 2005-06-29 | 株式会社日本製鋼所 | Manufacturing method of high strength and high ductility tungsten alloy |
DE19824078C2 (en) * | 1998-05-29 | 2001-05-31 | Zinser Textilmaschinen Gmbh | Process for the production of compacted yarn and device therefor |
US6136105A (en) * | 1998-06-12 | 2000-10-24 | Lockheed Martin Corporation | Process for imparting high strength, ductility, and toughness to tungsten heavy alloy (WHA) materials |
JP2002030372A (en) * | 2000-07-12 | 2002-01-31 | Allied Material Corp | Thin and deformed superheavy alloy sheet and its production method |
JP4259994B2 (en) * | 2003-12-02 | 2009-04-30 | 日本ペイント株式会社 | Method for producing polymerized gold sheet |
EP2038441B1 (en) * | 2006-06-22 | 2015-10-28 | H.C. Starck GmbH | Process for producing shaped refractory metal bodies |
-
2012
- 2012-11-27 WO PCT/JP2012/080565 patent/WO2013084749A1/en active Application Filing
- 2012-11-27 US US14/363,401 patent/US20140308536A1/en not_active Abandoned
- 2012-11-27 JP JP2013548185A patent/JP5805213B2/en not_active Expired - Fee Related
- 2012-11-27 EP EP12856450.7A patent/EP2789708A4/en not_active Withdrawn
- 2012-11-27 WO PCT/JP2012/080564 patent/WO2013084748A1/en active Application Filing
- 2012-11-27 JP JP2013548184A patent/JP5847196B2/en not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101230427A (en) * | 2008-02-22 | 2008-07-30 | 中南大学 | Method for preparing grain-refining W-Ni-Fe alloy containing rare earth |
Non-Patent Citations (2)
Title |
---|
JANG ET AL: "Study on the solid-phase sintering of the nano-structured heavy tungsten alloy powder", JOURNAL OF ALLOYS AND COMPOUNDS, ELSEVIER SEQUOIA, LAUSANNE, CH, vol. 434-435, 29 March 2007 (2007-03-29), pages 367 - 370, XP022008679, ISSN: 0925-8388, DOI: 10.1016/J.JALLCOM.2006.08.215 * |
See also references of WO2013084749A1 * |
Also Published As
Publication number | Publication date |
---|---|
JP5847196B2 (en) | 2016-01-20 |
JP5805213B2 (en) | 2015-11-04 |
JPWO2013084749A1 (en) | 2015-04-27 |
WO2013084749A1 (en) | 2013-06-13 |
EP2789708A1 (en) | 2014-10-15 |
US20140308536A1 (en) | 2014-10-16 |
JPWO2013084748A1 (en) | 2015-04-27 |
WO2013084748A1 (en) | 2013-06-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20140627 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
DAX | Request for extension of the european patent (deleted) | ||
RA4 | Supplementary search report drawn up and despatched (corrected) |
Effective date: 20150910 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: C22C 27/04 20060101AFI20150904BHEP Ipc: C22F 1/18 20060101ALI20150904BHEP Ipc: B22F 3/24 20060101ALI20150904BHEP Ipc: C22C 1/04 20060101ALI20150904BHEP Ipc: C22F 1/00 20060101ALI20150904BHEP |
|
17Q | First examination report despatched |
Effective date: 20160408 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20160819 |