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DE69030311D1 - Riesenkörner und einkristalle aus chrom und ihre herstellung - Google Patents

Riesenkörner und einkristalle aus chrom und ihre herstellung

Info

Publication number
DE69030311D1
DE69030311D1 DE69030311T DE69030311T DE69030311D1 DE 69030311 D1 DE69030311 D1 DE 69030311D1 DE 69030311 T DE69030311 T DE 69030311T DE 69030311 T DE69030311 T DE 69030311T DE 69030311 D1 DE69030311 D1 DE 69030311D1
Authority
DE
Germany
Prior art keywords
heat
carried out
treatment
rolling
giants
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
DE69030311T
Other languages
English (en)
Other versions
DE69030311T2 (de
Inventor
Tsutomu Kuniya
Koichi Hanawa
Hiroshi Tanaka
Shinji Sekine
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.)
Tosoh Corp
Original Assignee
Tosoh 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 Tosoh Corp filed Critical Tosoh Corp
Application granted granted Critical
Publication of DE69030311D1 publication Critical patent/DE69030311D1/de
Publication of DE69030311T2 publication Critical patent/DE69030311T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B1/00—Single-crystal growth directly from the solid state
    • C30B1/02—Single-crystal growth directly from the solid state by thermal treatment, e.g. strain annealing
    • 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
    • C22C—ALLOYS
    • C22C27/00—Alloys based on rhenium or a refractory metal not mentioned in groups C22C14/00 or C22C16/00
    • C22C27/06—Alloys based on chromium
    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B13/00—Single-crystal growth by zone-melting; Refining by zone-melting
    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
    • C30B29/02—Elements
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S148/00—Metal treatment
    • Y10S148/041—Doping control in crystal growth

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Saccharide Compounds (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Catalysts (AREA)
DE69030311T 1989-09-28 1990-09-28 Riesenkörner und einkristalle aus chrom und ihre herstellung Expired - Fee Related DE69030311T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP25051989 1989-09-28
JP1294803A JP2794846B2 (ja) 1989-09-28 1989-11-15 クロムの巨大粒又は単結晶及びその製造法
PCT/JP1990/001260 WO1991005070A1 (fr) 1989-09-28 1990-09-28 Particule geante et monocristal de chrome et procede de production associe

Publications (2)

Publication Number Publication Date
DE69030311D1 true DE69030311D1 (de) 1997-04-30
DE69030311T2 DE69030311T2 (de) 1997-07-24

Family

ID=26539802

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69030311T Expired - Fee Related DE69030311T2 (de) 1989-09-28 1990-09-28 Riesenkörner und einkristalle aus chrom und ihre herstellung

Country Status (6)

Country Link
US (1) US5154796A (de)
EP (1) EP0448721B1 (de)
JP (1) JP2794846B2 (de)
AT (1) ATE150801T1 (de)
DE (1) DE69030311T2 (de)
WO (1) WO1991005070A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19839946A1 (de) 1998-09-02 2000-03-09 Bayer Ag Elektrolumineszierende Anordnungen mit mehrkernigen Metallkomplexen
DE19839947A1 (de) 1998-09-02 2000-03-09 Bayer Ag Elektrolumineszierende Anordnungen mit Thiophencarboxylat-Metallkomplexen

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59141498A (ja) * 1983-01-31 1984-08-14 Natl Res Inst For Metals モリブデン巨大粒または単結晶及びその製造法
JPS62146235A (ja) * 1985-12-19 1987-06-30 Toshiba Corp タングステン部材とその製造方法
JPS62275091A (ja) * 1986-05-20 1987-11-30 Nippon Tungsten Co Ltd タングステン単結晶の製造法
JPS6411938A (en) * 1987-07-07 1989-01-17 Toshiba Corp Molybdenum giant grain or single crystal and its production
JPS6461393A (en) * 1987-08-31 1989-03-08 Nippon Mining Co Production of molybdenum single crystal
JPS6461394A (en) * 1987-08-31 1989-03-08 Nippon Mining Co Production of molybdenum single crystal
EP0342992A1 (de) * 1988-05-18 1989-11-23 Tosoh Corporation Verfahren zur Herstellung von Chromeinkristallen
JP2757203B2 (ja) * 1988-05-18 1998-05-25 東ソー株式会社 クロムの巨大粒又は単結晶の製造法
JP2757204B2 (ja) * 1988-05-20 1998-05-25 東ソー株式会社 クロムの巨大粒又は単結晶及びその製造法

Also Published As

Publication number Publication date
WO1991005070A1 (fr) 1991-04-18
EP0448721B1 (de) 1997-03-26
DE69030311T2 (de) 1997-07-24
JPH03174395A (ja) 1991-07-29
US5154796A (en) 1992-10-13
ATE150801T1 (de) 1997-04-15
EP0448721A4 (en) 1993-04-21
JP2794846B2 (ja) 1998-09-10
EP0448721A1 (de) 1991-10-02

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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