HK8089A - Method for making thixotropic materials - Google Patents

Method for making thixotropic materials Download PDF

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Publication number
HK8089A
HK8089A HK80/89A HK8089A HK8089A HK 8089 A HK8089 A HK 8089A HK 80/89 A HK80/89 A HK 80/89A HK 8089 A HK8089 A HK 8089A HK 8089 A HK8089 A HK 8089A
Authority
HK
Hong Kong
Prior art keywords
alloy
extruder
screw
temperature
metal alloy
Prior art date
Application number
HK80/89A
Other languages
English (en)
French (fr)
Inventor
Robert Scholley Busk
Original Assignee
Thixomat Inc.
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=23271665&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=HK8089(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Thixomat Inc. filed Critical Thixomat Inc.
Publication of HK8089A publication Critical patent/HK8089A/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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C9/00—Moulds or cores; Moulding processes
    • B22C9/10—Cores; Manufacture or installation of cores
    • B22C9/105—Salt cores
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
    • B22D17/007—Semi-solid pressure die casting
    • 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

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Glass Compositions (AREA)
  • Powder Metallurgy (AREA)
  • Manufacture Of Alloys Or Alloy Compounds (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Confectionery (AREA)
  • Fodder In General (AREA)
  • Conductive Materials (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Prostheses (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Adornments (AREA)

Claims (9)

1. Verfahren zur Herstellung einer flüssig/fest Metallegierung durch
(a) Zuführen einer festen Metallegierung mit Dentritenstruktur in einen Extruder,
(b) Hindurchführen der Legierung durch eine Zuführzone im Extruder,
(c) Erwärmen der Metallegierung auf eine Temperatur, die höher ist als die Liquidustemperatur während des Durchgangs durch eine Heizzone im Extruder,
(d) Abkühlen der Legierung in einen Temperaturbereich, der größer ist als die Solidus- und kleiner als die Liquidustemperatur der Legierung,
(e) Scheren der kalten Metallegierung mit einer Schnecke oder einer rotierenden Platte mit einer Kraft, die ausreicht, um mindestens einen Teil der Dentritenstruktur bei ihrer Bildung zu brechen und
(f) Abführen der Legierung aus dem Extruder.
2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß die feste Metallegierung einem Schneckenextruder zugeführt wird.
3. Verfahren nach Ansprüchen 1 oder 2, dadurch gekennzeichnet, daß die feste Metallegierung eine Magnesiumlegierung ist.
4. Verfahren nach Anspruch 3, dadurch gekennzeichnet, daß die Magnesiumlegierung 9 Gew.% Aluminium, 0,7 Gew.% Zink, 0,2 Gew.% Mangan und als Rest Magnesium enthält.
5. Verfahren nach jedem der vorstehenden Ansprüche, dadurch gekennzeichnet, daß die aus dem Extruder ausgebrachte Legierung bis zu etwa 65 Gew.% Feststoffe enthält.
6. Verfahren nach jedem der vorstehenden Ansprüche, dadurch gekennzeichnet, daß man eine Hochdruck-Kaltkammer-Druckgußmaschine verwendet, um der ausgestoßenen Legierung eine Gestalt zu geben.
7. Verfahren nach Ansprüchen 1, 3 oder 4, dadurch gekennzeichnet, daß der Extruder eine Spritzgußmaschine ist.
8. Verfahren nach jedem der vorstehenden Ansprüche 1-5, dadurch gekennzeichnet, daß es das Formen der ausgetragenen Legierung durch Spritzgießen einschließt.
9. Verfahren nach jedem der vorstehenden Ansprüche 1-5, dadurch gekennzeichnet, daß es das Formen der ausgestoßenen Legierung durch Schmieden einschließt.
HK80/89A 1981-12-01 1989-01-26 Method for making thixotropic materials HK8089A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/326,304 US4694881A (en) 1981-12-01 1981-12-01 Method for making thixotropic materials

Publications (1)

Publication Number Publication Date
HK8089A true HK8089A (en) 1989-02-03

Family

ID=23271665

Family Applications (1)

Application Number Title Priority Date Filing Date
HK80/89A HK8089A (en) 1981-12-01 1989-01-26 Method for making thixotropic materials

Country Status (16)

Country Link
US (1) US4694881A (de)
EP (1) EP0080786B1 (de)
JP (1) JPS58502001A (de)
KR (1) KR870000185B1 (de)
AT (1) ATE27185T1 (de)
AU (1) AU540156B2 (de)
BR (1) BR8208005A (de)
CA (1) CA1199181A (de)
DE (1) DE3276332D1 (de)
DK (1) DK159069C (de)
ES (1) ES517803A0 (de)
HK (1) HK8089A (de)
NO (1) NO160589C (de)
NZ (1) NZ202614A (de)
WO (1) WO1983001962A1 (de)
ZA (1) ZA828730B (de)

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Also Published As

Publication number Publication date
EP0080786B1 (de) 1987-05-13
NO832744L (no) 1983-07-28
DK334183A (da) 1983-07-20
ES8402026A1 (es) 1983-12-16
WO1983001962A1 (en) 1983-06-09
EP0080786A3 (en) 1983-07-13
KR840002909A (ko) 1984-07-21
JPS58502001A (ja) 1983-11-24
ES517803A0 (es) 1983-12-16
NZ202614A (en) 1985-03-20
KR870000185B1 (ko) 1987-02-14
NO160589B (no) 1989-01-23
DK159069C (da) 1991-01-28
AU540156B2 (en) 1984-11-01
AU1100983A (en) 1983-06-17
DK334183D0 (da) 1983-07-20
EP0080786A2 (de) 1983-06-08
DK159069B (da) 1990-08-27
CA1199181A (en) 1986-01-14
US4694881A (en) 1987-09-22
NO160589C (no) 1989-05-03
DE3276332D1 (en) 1987-06-19
ATE27185T1 (de) 1987-05-15
BR8208005A (pt) 1983-10-18
ZA828730B (en) 1984-07-25

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