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Author:

王明正 (王明正.) | 李晓延 (李晓延.) (Scholars:李晓延)

Indexed by:

CQVIP PKU CSCD

Abstract:

通过拉伸试验得到TC4钛合金载荷-位移曲线,研究反向标定法确定GTN孔洞损伤模型参数.通过有限元模拟,研究GTN模型6个待定参数对模拟结果的影响.结果表明,参数fo和fN需要通过反向标定法确定,εn可由拉伸试验确定,Sn可通过计算确定,fc和fF可由模拟结果直接给出;TC4钛合金的孔洞损伤随颈缩过程的产生迅速发展,直至断裂.

Keyword:

反向标定法 塑性损伤 钛合金 GTN模型

Author Community:

  • [ 1 ] [王明正]北京工业大学
  • [ 2 ] [李晓延]北京工业大学

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Source :

稀有金属材料与工程

ISSN: 1002-185X

Year: 2012

Issue: 5

Volume: 41

Page: 795-799

0 . 7 0 0

JCR@2022

ESI Discipline: MATERIALS SCIENCE;

JCR Journal Grade:4

CAS Journal Grade:4

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: 22

Chinese Cited Count:

30 Days PV: 5

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