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HK8189A - Method for making thixotropic materials - Google Patents

Method for making thixotropic materials Download PDF

Info

Publication number
HK8189A
HK8189A HK81/89A HK8189A HK8189A HK 8189 A HK8189 A HK 8189A HK 81/89 A HK81/89 A HK 81/89A HK 8189 A HK8189 A HK 8189A HK 8189 A HK8189 A HK 8189A
Authority
HK
Hong Kong
Prior art keywords
alloy
extruder
liquid
metal
temperature
Prior art date
Application number
HK81/89A
Other languages
English (en)
French (fr)
Inventor
Robert Scholley Busk
Original Assignee
The Dow Chemical Company
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23271670&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=HK8189(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by The Dow Chemical Company filed Critical The Dow Chemical Company
Publication of HK8189A publication Critical patent/HK8189A/en

Links

Classifications

    • 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
    • C22C1/02—Making non-ferrous alloys by melting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
    • B21J5/004—Thixotropic process, i.e. forging at semi-solid state
    • 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
    • C22C1/12—Making non-ferrous alloys by processing in a semi-solid state, e.g. holding the alloy in the solid-liquid phase
    • 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
    • Y10S164/00—Metal founding
    • Y10S164/90—Rheo-casting

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Powder Metallurgy (AREA)
  • Glass Compositions (AREA)
  • Forging (AREA)
  • Producing Shaped Articles From Materials (AREA)
  • Manufacture Of Alloys Or Alloy Compounds (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Prostheses (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Conductive Materials (AREA)
  • Tires In General (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Adornments (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Claims (9)

1. Verfahren zum Herstellen einer flüssig-fest Metallegierung durch Einbringen der Metallegierung in die Schnecke eines Extruders,
Erwärmen der Metallegierung auf eine Temperatur über der Solidustemperatur der Legierung, jedoch unter die Liquidustemperatur der Legierung,
Scheren des erwärmten Metalles im Extruder, wobei dieser Extruder aufweist
1) eine sich drehend Schnecke,
2) mindestens eine sich drehende Platte,
oder ein Extruder mit einem kurvenreich Weg ist,
das Scheren ausreichend ist, um mindestens einen Teil der Dendrittenstruktur der Metallegierung zu brechen und eine flüssig-fest Metallegierung-Zusammensetzung auszubilden.
2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß die Metallegierung eine Magnesiumlegierung ist.
3. Verfahren nach Anspruch 2, dadurch gekennzeichnet, daß die Magnesiumlegierung aus 9 % Al, 0,7 % Zn, 0,2 % Mn und dem verbleibenden Rest Magnesium besteht.
4. Verfahren nach Anspruch 3, dadurch gekennzeichnet, daß die flüssig-fest Metallegierung-Zusammensetzung bis zu etwa 65 Gew.% Feststoffe enthält.
5. Verfahren nach jedem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß es den Schritt des Spritzgießens der Metallegierung zum Ausbilden von Teilen einschließt.
6. Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß der Schneckenextruder ein Schubschneckenextruder ist.
7. Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß es das Ausformen des flüssig-fest Metalles unter Verwendung einer Hochdruck-Kaltkammergußmaschine einschließt.
8. Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß es das Ausformen des flüssig-fest Metalles unter Verwendung einer Schmiedemaschine einschließt.
9. Verfahren nach Ansprüchen 1 bis 8, dadurch gekennzeichnet, daß es das Vorheizen der Metallegierung auf eine Temperatur unter der Liquidustemperatur der Legierung einschließt.
HK81/89A 1981-12-01 1989-01-26 Method for making thixotropic materials HK8189A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/326,305 US4694882A (en) 1981-12-01 1981-12-01 Method for making thixotropic materials

Publications (1)

Publication Number Publication Date
HK8189A true HK8189A (en) 1989-02-03

Family

ID=23271670

Family Applications (1)

Application Number Title Priority Date Filing Date
HK81/89A HK8189A (en) 1981-12-01 1989-01-26 Method for making thixotropic materials

Country Status (16)

Country Link
US (1) US4694882A (de)
EP (1) EP0080787B1 (de)
JP (1) JPS58502002A (de)
KR (1) KR870001321B1 (de)
AT (1) ATE27714T1 (de)
AU (1) AU540021B2 (de)
BR (1) BR8208006A (de)
CA (1) CA1202788A (de)
DE (1) DE3276539D1 (de)
DK (1) DK158913C (de)
ES (1) ES517802A0 (de)
HK (1) HK8189A (de)
NO (1) NO161512C (de)
NZ (1) NZ202615A (de)
WO (1) WO1983001961A1 (de)
ZA (1) ZA828731B (de)

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US6321824B1 (en) 1998-12-01 2001-11-27 Moen Incorporated Fabrication of zinc objects by dual phase casting
JP2000197956A (ja) * 1998-12-28 2000-07-18 Mazda Motor Corp 軽金属製鍛造用素材の製造方法および該素材を用いた鍛造部材の製造方法
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Also Published As

Publication number Publication date
EP0080787B1 (de) 1987-06-10
KR870001321B1 (ko) 1987-07-13
DK158913C (da) 1990-12-31
NO832743L (no) 1983-07-28
WO1983001961A1 (en) 1983-06-09
EP0080787A3 (en) 1983-07-13
BR8208006A (pt) 1983-10-18
AU540021B2 (en) 1984-10-25
EP0080787A2 (de) 1983-06-08
DK327883D0 (da) 1983-07-15
ATE27714T1 (de) 1987-06-15
AU1048783A (en) 1983-06-17
ZA828731B (en) 1984-07-25
DK327883A (da) 1983-07-15
ES8402025A1 (es) 1983-12-16
DK158913B (da) 1990-07-30
NO161512B (no) 1989-05-16
NZ202615A (en) 1985-03-20
DE3276539D1 (en) 1987-07-16
KR840002910A (ko) 1984-07-21
CA1202788A (en) 1986-04-08
ES517802A0 (es) 1983-12-16
US4694882A (en) 1987-09-22
NO161512C (no) 1989-08-23
JPS58502002A (ja) 1983-11-24

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