Fatigue crack propagation and crack tip plasticity zone of TC4-DT titanium alloy

Ping Guo; Yongqing Zhao; Quan Hong; Weidong Zeng

Fatigue crack propagation and crack tip plasticity zone of TC4-DT titanium alloy

Ping Guo
, Yongqing Zhao
, Quan Hong
, Weidong Zeng

材料学院

Northwestern Polytechnical University Xian
Northwest Institute for Nonferrous Metal Research

科研成果: 期刊稿件 › 文章 › 同行评审

8 引用（Scopus）

摘要

The fatigue crack propagation behavior of different microstructures in TC4-DT titanium alloy was studied, and the crack propagation path in different microstructures was observed. The crack tip plasticity zone of different microstructures was analyzed, and was compared with the theoretical calculation results. The results reveal that fatigue crack propagation path is zigzag and the crack tip plasticity region is bigger in lamellar microstructure compared with the bi-modal microstructure. The crack tip plasticity region of theoretical calculation is much smaller than the actually measured range.

源语言	英语
页（从-至）	1479-1482
页数	4
期刊	Xiyou Jinshu Cailiao Yu Gongcheng/Rare Metal Materials and Engineering
卷	43
期	6
出版状态	已出版 - 6月 2014

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title = "Fatigue crack propagation and crack tip plasticity zone of TC4-DT titanium alloy",

abstract = "The fatigue crack propagation behavior of different microstructures in TC4-DT titanium alloy was studied, and the crack propagation path in different microstructures was observed. The crack tip plasticity zone of different microstructures was analyzed, and was compared with the theoretical calculation results. The results reveal that fatigue crack propagation path is zigzag and the crack tip plasticity region is bigger in lamellar microstructure compared with the bi-modal microstructure. The crack tip plasticity region of theoretical calculation is much smaller than the actually measured range.",

keywords = "Crack propagation, Crack tip plastic region, Damage tolerance titanium alloy, Microstructure",

author = "Ping Guo and Yongqing Zhao and Quan Hong and Weidong Zeng",

year = "2014",

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T1 - Fatigue crack propagation and crack tip plasticity zone of TC4-DT titanium alloy

AU - Guo, Ping

AU - Zhao, Yongqing

AU - Hong, Quan

AU - Zeng, Weidong

PY - 2014/6

Y1 - 2014/6

N2 - The fatigue crack propagation behavior of different microstructures in TC4-DT titanium alloy was studied, and the crack propagation path in different microstructures was observed. The crack tip plasticity zone of different microstructures was analyzed, and was compared with the theoretical calculation results. The results reveal that fatigue crack propagation path is zigzag and the crack tip plasticity region is bigger in lamellar microstructure compared with the bi-modal microstructure. The crack tip plasticity region of theoretical calculation is much smaller than the actually measured range.

AB - The fatigue crack propagation behavior of different microstructures in TC4-DT titanium alloy was studied, and the crack propagation path in different microstructures was observed. The crack tip plasticity zone of different microstructures was analyzed, and was compared with the theoretical calculation results. The results reveal that fatigue crack propagation path is zigzag and the crack tip plasticity region is bigger in lamellar microstructure compared with the bi-modal microstructure. The crack tip plasticity region of theoretical calculation is much smaller than the actually measured range.

KW - Crack propagation

KW - Crack tip plastic region

KW - Damage tolerance titanium alloy

KW - Microstructure

UR - https://www.scopus.com/pages/publications/84904155018

M3 - 文章

AN - SCOPUS:84904155018

SN - 1002-185X

VL - 43

SP - 1479

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JO - Xiyou Jinshu Cailiao Yu Gongcheng/Rare Metal Materials and Engineering

JF - Xiyou Jinshu Cailiao Yu Gongcheng/Rare Metal Materials and Engineering

IS - 6

ER -

Fatigue crack propagation and crack tip plasticity zone of TC4-DT titanium alloy

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