Title:
【発明の名称】押出ダイス
Document Type and Number:
Japanese Patent JPH0699729
Kind Code:
B2
Abstract:
The invention concerns extruded dispersion strengthened metallic materials which are substantially free of texture as well as a method and an extrusion die for producing such materials. The method comprises extruding a billet of dispersion strengthened metallic powder material comprised of one or more metals and one or more refractory compounds said powder material having a mean grain size less than about 5 microns and whose grain size is substantially stable at the extrusion conditions, through a die (10) having an internal contour such that the material is subjected to a natural strain rate which is substantially constant as it passes through the die.
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Inventors:
Michael Jiyoung Luton
Application Number:
JP22202385A
Publication Date:
December 07, 1994
Filing Date:
October 07, 1985
Export Citation:
Assignee:
Exxon Lisa-Chi and Engineering Company
International Classes:
C22C1/05; B21C23/01; B21C25/02; B22F3/20; B30B11/22; C22C32/00; (IPC1-7): B22F3/20; B21C23/01; B21C25/02
Other References:
【文献】米国特許2597638(US,A)
【文献】米国特許3874837(US,A)
【文献】米国特許4131461(US,A)
【文献】仏国特許1596175(FR,A)
【文献】米国特許3874837(US,A)
【文献】米国特許4131461(US,A)
【文献】仏国特許1596175(FR,A)
Attorney, Agent or Firm:
Motohiro Kurauchi (1 outside)
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