DE3672915D1 - Herstellungsverfahren fuer ein langgestrecktes produkt aus wolframhartmetall. - Google Patents

Herstellungsverfahren fuer ein langgestrecktes produkt aus wolframhartmetall.

Info

Publication number
DE3672915D1
DE3672915D1 DE8686103186T DE3672915T DE3672915D1 DE 3672915 D1 DE3672915 D1 DE 3672915D1 DE 8686103186 T DE8686103186 T DE 8686103186T DE 3672915 T DE3672915 T DE 3672915T DE 3672915 D1 DE3672915 D1 DE 3672915D1
Authority
DE
Germany
Prior art keywords
tungsten
alloy material
manufacturing
long
article
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
DE8686103186T
Other languages
English (en)
Inventor
James A Mullendore
James 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.)
Osram Sylvania Inc
Original Assignee
GTE Products 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 GTE Products Corp filed Critical GTE Products Corp
Application granted granted Critical
Publication of DE3672915D1 publication Critical patent/DE3672915D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/18Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces by using pressure rollers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B3/00Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C1/00Making non-ferrous alloys
    • C22C1/04Making non-ferrous alloys by powder metallurgy
    • C22C1/045Alloys based on refractory metals
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22FCHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/16Changing 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
    • C22F1/18High-melting or refractory metals or alloys based thereon
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B1/00Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/16Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling wire rods, bars, merchant bars, rounds wire or material of like small cross-section
    • B21B1/20Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling wire rods, bars, merchant bars, rounds wire or material of like small cross-section in a non-continuous process,(e.g. skew rolling, i.e. planetary cross rolling)
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B3/00Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
    • B21B2003/006Powder metal alloys

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)
  • Metal Rolling (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
  • Catalysts (AREA)
  • Powder Metallurgy (AREA)
DE8686103186T 1985-07-10 1986-03-10 Herstellungsverfahren fuer ein langgestrecktes produkt aus wolframhartmetall. Expired - Fee Related DE3672915D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US75384385A 1985-07-10 1985-07-10

Publications (1)

Publication Number Publication Date
DE3672915D1 true DE3672915D1 (de) 1990-08-30

Family

ID=25032391

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686103186T Expired - Fee Related DE3672915D1 (de) 1985-07-10 1986-03-10 Herstellungsverfahren fuer ein langgestrecktes produkt aus wolframhartmetall.

Country Status (3)

Country Link
EP (1) EP0209632B1 (de)
AT (1) ATE54841T1 (de)
DE (1) DE3672915D1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US4768365A (en) * 1987-11-23 1988-09-06 Gte Products Corporation Process for producing tungsten heavy alloy sheet
US11043352B1 (en) 2019-12-20 2021-06-22 Varex Imaging Corporation Aligned grain structure targets, systems, and methods of forming
CN113263177A (zh) * 2021-04-15 2021-08-17 成都虹波实业股份有限公司 一种改善钨合金棒材大小头的制备方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1330469A (fr) * 1962-08-02 1963-06-21 Plansee Metallwerk Contacts pour interrupteurs à haute tension
US3859055A (en) * 1966-10-27 1975-01-07 Mallory & Co Inc P R Tungsten-nickel-iron shaping members
DE1558821B2 (de) * 1967-03-25 1975-10-02 Veb Keramische Werke Hermsdorf, X 6530 Hermsdorf Verfahren zur Erhöhung der Duktilität von aus Wolfram oder Wolframlegierungen bestehendem Halbzeug
DE2242760C3 (de) * 1970-11-27 1975-02-20 Patent-Treuhand-Gesellschaft Fuer Elektrische Gluehlampen Mbh, 8000 Muenchen Walzgerüst zum Warmwalzen von Metalldraht
FR2125256B1 (de) * 1971-02-20 1976-10-29 Properzi Ilario
FR2355922A1 (fr) * 1976-06-23 1978-01-20 Eurotungstene Outil de travail a chaud des metaux
JPS6047003B2 (ja) * 1980-09-02 1985-10-19 株式会社東芝 高融点金属結体の圧延方法
US4458599A (en) * 1981-04-02 1984-07-10 Gte Products Corporation Frangible tungsten penetrator

Also Published As

Publication number Publication date
ATE54841T1 (de) 1990-08-15
EP0209632A3 (en) 1987-07-22
EP0209632B1 (de) 1990-07-25
EP0209632A2 (de) 1987-01-28

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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