MICROSTRUCTURE-PROPERTY RELATIONSHIPS IN TEMPERED LOW-ALLOY CR-MO-3.5NI-V STEEL

被引：41
作者：
MAROPOULOS, S
PAUL, JDH
RIDLEY, N
机构：
[1] Manchester Materials Science Centre, University of ManchesterjUMIST
来源：
MATERIALS SCIENCE AND TECHNOLOGY | 1993年 / 9卷 / 11期
关键词：
D O I：
10.1179/mst.1993.9.11.1014
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The effect of varying normalising and hardening temperatures, before tempering at approximately 620-degrees-C, on the strength and toughness of a low alloy Cr-Mo-3.5 Ni-V (wt-%) steel has been examined. Microstructural features including martensite packet and lath size, dislocation density, and precipitate size were measured and used in a Hall-Petch analysis of the strengthening components. It was found that arms summation of the strengthening contributions to the 0.2% proof stress gave values in good agreement with experimental results. The 50% fracture appearance transition temperature could be described by a relationship involving the fracture facet size and the strengthening contributions from dislocations and precipitates. (C) 1993 The Institute of Materials.
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页码：1014 / 1019
页数：6
相关论文
共 36 条
[1]  
ASBY MF, 1966, T AIME, V236, P1397
[2]  
ASHBY MF, 1968, OXIDE DISPERSION STR, P143
[3]  
Baker, 1983, YIELD FLOW FRACTURE, P141
[4]  
Baker T. N., 1983, YIELD FLOW FRACTURE, P235
[5]  
Brown L., 1971, APPL SCI, V9
[6]  
Chaturvedi M. C., 1976, Metal Science, V10, P373
[7]  
COX AR, 1967, J IRON STEEL I, V205, P51
[8]  
COX AR, 1968, T JPN I MET, VS 9, P118
[9]   DISLOCATION MOVEMENT THROUGH RANDOM ARRAYS OF OBSTACLES [J].
FOREMAN, AJE ;
MAKIN, MJ .
PHILOSOPHICAL MAGAZINE, 1966, 14 (131) :911-&
[10]  
GLADMAN T, 1977, MICROALLOYING, V75, P32
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