DE3781206D1 - Verfahren zum herstellen von zirkon fuer schutzhuellen durch schmelzen von gegluehtem zirkon mit elektronenstrahlen. - Google Patents

Verfahren zum herstellen von zirkon fuer schutzhuellen durch schmelzen von gegluehtem zirkon mit elektronenstrahlen.

Info

Publication number
DE3781206D1
DE3781206D1 DE8787107946T DE3781206T DE3781206D1 DE 3781206 D1 DE3781206 D1 DE 3781206D1 DE 8787107946 T DE8787107946 T DE 8787107946T DE 3781206 T DE3781206 T DE 3781206T DE 3781206 D1 DE3781206 D1 DE 3781206D1
Authority
DE
Germany
Prior art keywords
zircon
melting
turned
electron beams
producing
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
DE8787107946T
Other languages
English (en)
Other versions
DE3781206T2 (de
Inventor
Samuel Austin Worcester
Young Jin Kwon
Charles Robert Woods
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.)
CBS Corp
Original Assignee
Westinghouse Electric 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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Application granted granted Critical
Publication of DE3781206D1 publication Critical patent/DE3781206D1/de
Publication of DE3781206T2 publication Critical patent/DE3781206T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
    • C22B9/16—Remelting metals
    • C22B9/22—Remelting metals with heating by wave energy or particle radiation
    • C22B9/228—Remelting metals with heating by wave energy or particle radiation by particle radiation, e.g. electron beams
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B34/00—Obtaining refractory metals
    • C22B34/10—Obtaining titanium, zirconium or hafnium
    • C22B34/14—Obtaining zirconium or hafnium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
    • C22B9/04—Refining by applying a vacuum

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Manufacture And Refinement Of Metals (AREA)
DE8787107946T 1986-06-05 1987-06-02 Verfahren zum herstellen von zirkon fuer schutzhuellen durch schmelzen von gegluehtem zirkon mit elektronenstrahlen. Expired - Fee Related DE3781206T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US87118286A 1986-06-05 1986-06-05

Publications (2)

Publication Number Publication Date
DE3781206D1 true DE3781206D1 (de) 1992-09-24
DE3781206T2 DE3781206T2 (de) 1993-02-18

Family

ID=25356888

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787107946T Expired - Fee Related DE3781206T2 (de) 1986-06-05 1987-06-02 Verfahren zum herstellen von zirkon fuer schutzhuellen durch schmelzen von gegluehtem zirkon mit elektronenstrahlen.

Country Status (4)

Country Link
EP (1) EP0248397B1 (de)
KR (1) KR880000612A (de)
DE (1) DE3781206T2 (de)
ES (1) ES2033736T3 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4849016A (en) * 1987-12-18 1989-07-18 Westinghouse Electric Corp. Combined ultra slow electron beam and vacuum arc melting for barrier tube shell material
US5062887A (en) * 1991-02-08 1991-11-05 Westinghouse Electric Corp. Process for chloride removal from sponge metal
KR100572262B1 (ko) * 2000-10-02 2006-04-19 가부시키 가이샤 닛코 마테리알즈 고순도 지르코늄 또는 하프늄의 제조방법
US9938605B1 (en) 2014-10-01 2018-04-10 Materion Corporation Methods for making zirconium based alloys and bulk metallic glasses

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2814560A (en) * 1954-04-23 1957-11-26 James S Ballantine Apparatus and process for melting material of high melting point
NL103600C (de) * 1956-07-27 1900-01-01
LU37401A1 (de) * 1958-08-04
DE1110877B (de) * 1959-04-24 1961-07-13 Heraeus Gmbh W C Verfahren zum Erschmelzen von Metallbloecken mittels Elektronenstrahlen
US3966460A (en) * 1974-09-06 1976-06-29 Amax Specialty Metal Corporation Reduction of metal halides
US4190404A (en) * 1977-12-14 1980-02-26 United Technologies Corporation Method and apparatus for removing inclusion contaminants from metals and alloys

Also Published As

Publication number Publication date
KR880000612A (ko) 1988-03-28
DE3781206T2 (de) 1993-02-18
EP0248397B1 (de) 1992-08-19
ES2033736T3 (es) 1993-04-01
EP0248397A3 (en) 1990-05-02
EP0248397A2 (de) 1987-12-09

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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