INFLUENCE OF NICKEL ON 475-DEGREES-C EMBRITTLEMENT OF FE-CR-NI ALLOYS - MOSSBAUER-EFFECT STUDY

被引:9
作者
TRINDADE, B [1 ]
VILAR, R [1 ]
机构
[1] INST SUPER TECN, DEPT ENGN MAT, P-1000 LISBON, PORTUGAL
来源
HYPERFINE INTERACTIONS | 1991年 / 66卷 / 1-4期
关键词
D O I
10.1007/BF02395885
中图分类号
O64 [物理化学(理论化学)、化学物理学]; O56 [分子物理学、原子物理学];
学科分类号
070203 ; 070304 ; 081704 ; 1406 ;
摘要
The phenomenon of "475-degrees-C embrittlement" of Fe-Cr-Ni alloys with Fe/Cr ratios of 2.7 and 1.05, containing 0, 2 and 4 at.% Ni, has been investigated using the Mossbauer effect and hardness measurements. The results show that the addition of nickel to Fe-xCr alloys (x = 25 and 45 at.%) increases the transformation rate notoriously in the first hours of aging, the effect of this element being more important for alloys with Fe/Cr = 1.05.
引用
收藏
页码:351 / 358
页数:8
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