DE69933297D1 - Bearbeitung und alterung flüssigphasengesinterter wolframschwermetalllegierung - Google Patents

Bearbeitung und alterung flüssigphasengesinterter wolframschwermetalllegierung

Info

Publication number
DE69933297D1
DE69933297D1 DE69933297T DE69933297T DE69933297D1 DE 69933297 D1 DE69933297 D1 DE 69933297D1 DE 69933297 T DE69933297 T DE 69933297T DE 69933297 T DE69933297 T DE 69933297T DE 69933297 D1 DE69933297 D1 DE 69933297D1
Authority
DE
Germany
Prior art keywords
workpiece
approximately
sectional area
metal alloy
cross
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.)
Expired - Fee Related
Application number
DE69933297T
Other languages
English (en)
Other versions
DE69933297T2 (de
Inventor
R Spencer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lockheed Martin Corp
Original Assignee
Lockheed Corp
Lockheed Martin Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Lockheed Corp, Lockheed Martin Corp filed Critical Lockheed Corp
Application granted granted Critical
Publication of DE69933297D1 publication Critical patent/DE69933297D1/de
Publication of DE69933297T2 publication Critical patent/DE69933297T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/26—Methods of annealing
    • 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
    • B22F3/12—Both compacting and sintering
    • B22F3/16—Both compacting and sintering in successive or repeated steps
    • 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
    • C22F1/16—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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B12/00—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material
    • F42B12/72—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the material
    • F42B12/74—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the material of the core or solid body
    • 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
    • B22F2003/248—Thermal after-treatment
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Manufacturing & Machinery (AREA)
  • General Engineering & Computer Science (AREA)
  • Powder Metallurgy (AREA)
  • Forging (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Adornments (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
DE69933297T 1998-06-12 1999-06-11 Bearbeitung und alterung flüssigphasengesinterter wolframschwermetalllegierung Expired - Fee Related DE69933297T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/096,579 US6136105A (en) 1998-06-12 1998-06-12 Process for imparting high strength, ductility, and toughness to tungsten heavy alloy (WHA) materials
US96579 1998-06-12
PCT/US1999/012794 WO1999064639A1 (en) 1998-06-12 1999-06-11 Working and annealing liquid phase sintered tungsten heavy alloy

Publications (2)

Publication Number Publication Date
DE69933297D1 true DE69933297D1 (de) 2006-11-02
DE69933297T2 DE69933297T2 (de) 2007-04-05

Family

ID=22258035

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69933297T Expired - Fee Related DE69933297T2 (de) 1998-06-12 1999-06-11 Bearbeitung und alterung flüssigphasengesinterter wolframschwermetalllegierung

Country Status (13)

Country Link
US (3) US6136105A (de)
EP (1) EP1093530B1 (de)
JP (1) JP2002517614A (de)
KR (1) KR20010072609A (de)
AT (1) ATE340275T1 (de)
AU (1) AU742807B2 (de)
DE (1) DE69933297T2 (de)
EG (1) EG21940A (de)
IL (1) IL140220A (de)
JO (1) JO2107B1 (de)
NO (1) NO20006277L (de)
TR (1) TR200100293T2 (de)
WO (1) WO1999064639A1 (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6447715B1 (en) * 2000-01-14 2002-09-10 Darryl D. Amick Methods for producing medium-density articles from high-density tungsten alloys
KR100375944B1 (ko) * 2000-07-08 2003-03-10 한국과학기술원 기계적 합금화에 의한 산화물 분산강화 텅스텐 중합금의 제조방법
US7217389B2 (en) 2001-01-09 2007-05-15 Amick Darryl D Tungsten-containing articles and methods for forming the same
US6749802B2 (en) 2002-01-30 2004-06-15 Darryl D. Amick Pressing process for tungsten articles
WO2003064961A1 (en) * 2002-01-30 2003-08-07 Amick Darryl D Tungsten-containing articles and methods for forming the same
US6984358B2 (en) * 2002-09-13 2006-01-10 Lockheed Martin Corporation Diffusion bonding process of two-phase metal alloys
US7000547B2 (en) 2002-10-31 2006-02-21 Amick Darryl D Tungsten-containing firearm slug
US7059233B2 (en) * 2002-10-31 2006-06-13 Amick Darryl D Tungsten-containing articles and methods for forming the same
CA2520274A1 (en) * 2003-04-11 2004-10-28 Darryl D. Amick System and method for processing ferrotungsten and other tungsten alloys articles formed therefrom and methods for detecting the same
US20040247479A1 (en) * 2003-06-04 2004-12-09 Lockheed Martin Corporation Method of liquid phase sintering a two-phase alloy
US7422720B1 (en) 2004-05-10 2008-09-09 Spherical Precision, Inc. High density nontoxic projectiles and other articles, and methods for making the same
US8122832B1 (en) 2006-05-11 2012-02-28 Spherical Precision, Inc. Projectiles for shotgun shells and the like, and methods of manufacturing the same
US8470071B2 (en) * 2006-09-25 2013-06-25 Dais Analytic Corporation Enhanced HVAC system and method
CN101641146B (zh) * 2007-01-20 2013-03-27 戴斯分析公司 通过膜的多相选择性物质传递
CN101805877B (zh) * 2010-03-27 2011-08-03 陈德华 一种电镀用磁材的深度冷冻工艺
WO2013084748A1 (ja) * 2011-12-07 2013-06-13 株式会社アライドマテリアル タングステン焼結合金
US9046328B2 (en) 2011-12-08 2015-06-02 Environ-Metal, Inc. Shot shells with performance-enhancing absorbers
US10260850B2 (en) 2016-03-18 2019-04-16 Environ-Metal, Inc. Frangible firearm projectiles, methods for forming the same, and firearm cartridges containing the same
US10690465B2 (en) 2016-03-18 2020-06-23 Environ-Metal, Inc. Frangible firearm projectiles, methods for forming the same, and firearm cartridges containing the same
CN111286686B (zh) * 2020-04-09 2021-09-10 西部钛业有限责任公司 一种tc4钛合金细等轴组织大规格棒材短流程制备方法
US11938541B2 (en) * 2020-12-18 2024-03-26 The Boeing Company Methods for manufacturing a wrought metallic article from a metallic-powder composition
WO2023009695A1 (en) * 2021-07-28 2023-02-02 Mirus Llc Method for forming a tube

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3685134A (en) * 1970-05-15 1972-08-22 Mallory & Co Inc P R Method of making electrical contact materials
US3888636A (en) * 1971-02-01 1975-06-10 Us Health High density, high ductility, high strength tungsten-nickel-iron alloy & process of making therefor
US4458599A (en) * 1981-04-02 1984-07-10 Gte Products Corporation Frangible tungsten penetrator
FR2617192B1 (fr) * 1987-06-23 1989-10-20 Cime Bocuze Procede pour reduire la dispersion des valeurs des caracteristiques mecaniques d'alliages de tungstene-nickel-fer
US4762559A (en) * 1987-07-30 1988-08-09 Teledyne Industries, Incorporated High density tungsten-nickel-iron-cobalt alloys having improved hardness and method for making same
FR2622209B1 (fr) * 1987-10-23 1990-01-26 Cime Bocuze Alliages lourds de tungstene-nickel-fer a tres hautes caracteristiques mecaniques et procede de fabrication desdits alliages
US5008071A (en) * 1988-01-04 1991-04-16 Gte Products Corporation Method for producing improved tungsten nickel iron alloys
US5145512A (en) * 1989-01-03 1992-09-08 Gte Products Corporation Tungsten nickel iron alloys
US4990195A (en) * 1989-01-03 1991-02-05 Gte Products Corporation Process for producing tungsten heavy alloys
DE4318827C2 (de) * 1993-06-07 1996-08-08 Nwm De Kruithoorn Bv Schwermetallegierung und Verfahren zu ihrer Herstellung
US5523048A (en) * 1994-07-29 1996-06-04 Alliant Techsystems Inc. Method for producing high density refractory metal warhead liners from single phase materials

Also Published As

Publication number Publication date
JP2002517614A (ja) 2002-06-18
JO2107B1 (en) 2000-05-21
AU4426999A (en) 1999-12-30
KR20010072609A (ko) 2001-07-31
EP1093530A1 (de) 2001-04-25
TR200100293T2 (tr) 2001-09-21
EG21940A (en) 2002-04-30
NO20006277L (no) 2001-02-09
IL140220A (en) 2004-07-25
US6413294B1 (en) 2002-07-02
AU742807B2 (en) 2002-01-10
US6156093A (en) 2000-12-05
IL140220A0 (en) 2002-02-10
WO1999064639A1 (en) 1999-12-16
NO20006277D0 (no) 2000-12-11
ATE340275T1 (de) 2006-10-15
US6136105A (en) 2000-10-24
DE69933297T2 (de) 2007-04-05
EP1093530A4 (de) 2005-04-13
EP1093530B1 (de) 2006-09-20

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee