TWI283609B - Cold-forming of molybdenum by backward extrusion - Google Patents

Cold-forming of molybdenum by backward extrusion Download PDF

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Publication number
TWI283609B
TWI283609B TW093128875A TW93128875A TWI283609B TW I283609 B TWI283609 B TW I283609B TW 093128875 A TW093128875 A TW 093128875A TW 93128875 A TW93128875 A TW 93128875A TW I283609 B TWI283609 B TW I283609B
Authority
TW
Taiwan
Prior art keywords
molybdenum
cold
workpiece
vacuum
patent application
Prior art date
Application number
TW093128875A
Other languages
English (en)
Chinese (zh)
Other versions
TW200526336A (en
Inventor
Bernd Spaniol
Josef Trageser
Wolfgang Gunther
Jorg Schielke
Original Assignee
Heraeus Gmbh W C
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 Heraeus Gmbh W C filed Critical Heraeus Gmbh W C
Publication of TW200526336A publication Critical patent/TW200526336A/zh
Application granted granted Critical
Publication of TWI283609B publication Critical patent/TWI283609B/zh

Links

Classifications

    • 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
    • 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
    • B21C23/00—Extruding metal; Impact extrusion
    • B21C23/002—Extruding materials of special alloys so far as the composition of the alloy requires or permits special extruding methods of 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
    • B21C23/00—Extruding metal; Impact extrusion
    • B21C23/02—Making uncoated products
    • B21C23/18—Making uncoated products by impact extrusion
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/02—Manufacture of electrodes or electrode systems
    • H01J9/022—Manufacture of electrodes or electrode systems of cold cathodes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Thermal Sciences (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Forging (AREA)
  • Extrusion Of Metal (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Discharge Lamp (AREA)
TW093128875A 2003-10-02 2004-09-23 Cold-forming of molybdenum by backward extrusion TWI283609B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE10346464A DE10346464B4 (de) 2003-10-02 2003-10-02 Verfahren zur Kaltumformung von Molybdän durch Rückwärts-Fließpressen und Verwendung von rückwärts-fließgepressten Molybdän-Formteilen

Publications (2)

Publication Number Publication Date
TW200526336A TW200526336A (en) 2005-08-16
TWI283609B true TWI283609B (en) 2007-07-11

Family

ID=34399318

Family Applications (1)

Application Number Title Priority Date Filing Date
TW093128875A TWI283609B (en) 2003-10-02 2004-09-23 Cold-forming of molybdenum by backward extrusion

Country Status (7)

Country Link
EP (1) EP1574593B1 (de)
JP (1) JP4348266B2 (de)
KR (1) KR100771731B1 (de)
CN (1) CN100335671C (de)
AT (1) ATE412786T1 (de)
DE (2) DE10346464B4 (de)
TW (1) TWI283609B (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113732219B (zh) * 2021-08-12 2023-10-13 宁波复能稀土新材料股份有限公司 一种稀土铽靶材真空热挤压成型装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3553996A (en) * 1967-11-13 1971-01-12 Battelle Development Corp Extrusion of brittle materials
JPS5731408A (en) * 1980-06-19 1982-02-19 Battelle Development Corp Double extruding die and its extruding method
US4462234A (en) * 1980-06-19 1984-07-31 Battelle Development Corporation Rapid extrusion of hot-short-sensitive alloys
JPS6075545A (ja) * 1983-09-29 1985-04-27 Toshiba Corp ダイス及びその製造方法
JPS6082648A (ja) * 1983-10-08 1985-05-10 Agency Of Ind Science & Technol 高強度・難加工材の成形法
AT392432B (de) * 1989-05-03 1991-03-25 Plansee Metallwerk Verfahren zur herstellung von warmkriechfesten halbfabrikaten oder formteilen aus hochschmelzenden metallen
US5158709A (en) * 1990-02-01 1992-10-27 Patent Treuhand Gesellschaft Fur Elektrische Gluhlampen Mbh Electric lamp containing molybdenum material doped wtih aluminum and potassium, molybdenum material for such a lamp, and method of its manufacture
JP3737105B2 (ja) * 1993-04-15 2006-01-18 ラクスファー・グループ・リミテッド 中空ボディの製造方法
JP3079378B1 (ja) * 1999-02-10 2000-08-21 東京タングステン株式会社 Ｍｏスパッターリングターゲット材及びその製造方法

Also Published As

Publication number Publication date
EP1574593A1 (de) 2005-09-14
KR100771731B1 (ko) 2007-10-30
CN100335671C (zh) 2007-09-05
DE10346464B4 (de) 2006-04-27
CN1611629A (zh) 2005-05-04
TW200526336A (en) 2005-08-16
EP1574593B1 (de) 2008-10-29
DE10346464A1 (de) 2005-05-04
DE502004008340D1 (de) 2008-12-11
ATE412786T1 (de) 2008-11-15
JP2005111562A (ja) 2005-04-28
KR20050033001A (ko) 2005-04-08
JP4348266B2 (ja) 2009-10-21

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MM4A Annulment or lapse of patent due to non-payment of fees