Synthesis of submicrometer-grained-ultrahigh-carbon on steel containing 10% aluminum by ball-milling of powders

被引:2
|
作者
Taleff, EM
Nagao, M
Ashida, Y
Sherby, OD
机构
[1] KOBE STEEL LTD,MAT RES LAB,MAT DESIGN SECT,NISHI KU,KOBE,HYOGO,JAPAN
[2] STANFORD UNIV,DEPT MAT SCI & ENGN,STANFORD,CA 94305
关键词
D O I
10.1557/JMR.1996.0345
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
An ultrahigh-carbon (1.25 wt. %) steel alloy containing 10 wt. % aluminum (UHCS-10Al) was processed by a powder metallurgy technique. Gas-atomized powders were subjected to ball-milling in an attritor in order to obtain a submicrometer grain size. Powder material was consolidated by both hot isostatic pressing (HIP) and by hot isopressure extrusion (HIE). Bulk material with submicrometer grain sizes was produced from attrited powders. The chemical composition and microstructure of this material are characterized at each processing step, from atomization through consolidation. Tensile tests show that a high strength results from the submicrometer grain size produced in the bulk material.
引用
收藏
页码:2725 / 2730
页数:6
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