Machinable iron aluminides containing carbon

被引：25

作者：

Prakash, U ^{[1
]}

Sauthoff, G ^{[1
]}

机构：

[1] Max Planck Inst Eisenforsch GmbH, D-40074 Dusseldorf, Germany

来源：

SCRIPTA MATERIALIA | 2001年 / 44卷 / 01期

关键词：

intermetallic compounds; microstructure; machining; hydrogen embrittlement; mechanical properties;

D O I：

10.1016/S1359-6462(00)00583-2

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Additions of carbon in the range of 0.1 to 1 wt% to iron aluminides allow machining without surface cracking. The improvement in machinability does not depend on amount or type of second phase present, but is related to a reduced susceptibility to hydrogen embrittlement on account of blocking of interstitial sites by carbon in these alloys. Despite these improvements, the alloys still exhibit hydrogen embrittlement during subsequent tensile tests.

引用

页码：73 / 78

页数：6

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