Effect of microstructure on the fatigue properties of Ti-6Al-4V titanium alloys

被引：154
|
作者：
Wu, G. Q. [1 ]
Shi, C. L. [1 ]
Sha, W. [2 ]
Sha, A. X. [3 ]
Jiang, H. R. [1 ]
机构：
[1] Beihang Univ, Sch Mat Sci & Engn, Beijing 100191, Peoples R China
[2] Queens Univ Belfast, Sch Planning Architecture & Civil Engn, Belfast BT7 1NN, Antrim, North Ireland
[3] Beijing Inst Aeronaut Mat, Beijing 100095, Peoples R China
来源：
MATERIALS & DESIGN | 2013年 / 46卷
关键词：
Titanium alloy; Microstructure; Fatigue; Quantitative analysis; HIGH-CYCLE FATIGUE; CRACK INITIATION; BEHAVIOR; QUANTIFICATION; PROPAGATION; FEATURES; DESIGN;
D O I：
10.1016/j.matdes.2012.10.059
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Through an analysis on microstructure and high cycle fatigue (HCF) properties of Ti-6Al-4V alloys which were selected from literature, the effects of microstructure types and microstructure parameters on HCF properties were investigated systematically. The results show that the HCF properties are strongly determined by microstructure types for Ti-6Al-4V. Generally the HCF strengths of different microstructures decrease in the order of bimodal, lamellar and equiaxed microstructure. Additionally, microstructure parameters such as the primary alpha (alpha(p)) content and the alpha(p) grain size in bimodal microstructures, the alpha lamellar width in lamellar microstructure and the alpha grain size in equiaxed microstructures, can influence the HCF properties. (C) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码：668 / 674
页数：7
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