Mechanomaking of high speed steel AISI M2 powders fabrication

被引：5

作者：

Matteazzi, P ^{[1
]}

Wolf, F ^{[1
]}

机构：

[1] Univ Udine, Dipartimento Sci & Tecnol Chim, I-33100 Udine, Italy

来源：

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 1998年 / 246卷 / 1-2期

关键词：

nanophase materials; high speed steels; powder metallurgy; Mossbauer spectroscopy;

D O I：

10.1016/S0921-5093(97)00748-X

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

High speed steel AISI M2 was obtained by high energy milling from the elemental powders. The kinetics of synthesis were followed by Mossbauer spectroscopy and X-ray diffraction. About 14 h are required to complete alloying (12 at.% solute content) of the matrix and formation of carbides (M6C and Fe3C) all having grain sizes below 20 nm. The mean particle size was 50 mu m and the individual particles were almost fully dense. Limited grain growth to < 100 nm at temperatures up to 1300 degrees C was observed. This new concept for the fabrication of alloys and materials is suggested to be termed mechanomaking. (C) 1998 Elsevier Science S.A. All rights reserved.

引用

页码：235 / 243

页数：9

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