EFFECT OF PHASE-TRANSFORMATION ON MECHANICAL-BEHAVIOR OF DUAL-PHASE STEEL PLATE

被引：3
|
作者：
LIU, HQ
ZHU, C
LI, GC
机构：
[1] Institute of Mechanics, Academia Sinica, Beijing
来源：
THEORETICAL AND APPLIED FRACTURE MECHANICS | 1993年 / 19卷 / 02期
基金：
中国国家自然科学基金;
关键词：
Ferrites - Finite element method - Inclusions - Martensite - Martensitic transformations - Mathematical models - Mechanical properties - Steel - Strain - Stresses;
D O I：
10.1016/0167-8442(93)90014-3
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
The mechanical behavior of dual phase steel plates is affected by internal stresses created during martensite transformation. Analytical modelling of this effect is made by considering a unit cell made of martensite inclusion in a ferrite matrix. A large strain finite element analysis is then performed to obtain the plane stress deformation state. Displayed numerically are the development of the plastic zone and distribution of local state of stress and strain. Studied also are the shape configuration of the martensite (hard-phase) that influences the interfacial condition as related to stress transmission and damage. Internal stresses are found to enhance the global flow stress after yield initiation in the ferrite matrix. Good agreement is obtained between the analytical results and experimental observations.
引用
收藏
页码：127 / 132
页数：6
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