Geometrical Scale-Sensitive Fatigue Properties of Ti-6.5Al-3.5Mo-1.5Zr-0.3Si Alloys With α/β Lamellar Microstructures
查看参考文献32篇
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文摘
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Fatigue properties of the Ti-6.5Al-3.5Mo-1.5Zr-0.3Si alloy sheets containing different numbers of α/β Widmanstatten colonies in the thickness direction of the sheets were investigated by tension-tension fatigue testing. It is found that fatigue properties of the Ti alloy either in low- or high-stress amplitude regimes become more sensitive to the sheet thickness of the Ti alloy as the sheet thickness is comparable to the length scale of the Widmanstatten colonies. The basic mechanism of such length scale-sensitive fatigue properties in the Ti alloy was elucidated. |
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来源
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Journal of Materials Science & Technology
,2014,30(12):1284-1288 【核心库】
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DOI
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10.1016/j.jmst.2014.07.012
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关键词
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Fatigue
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Ti alloy
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Microstructure
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Size effect
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地址
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1.
Northeastern University, Key Laboratory for Anisotropy and Texture of Materials, Ministry of Education, Shenyang, 110819
2.
Institute of Metal Research, Chinese Academy of Sciences, Shenyang National Laboratory for Materials Science, Shenyang, 110016
3.
AVIC Commercial Aircraft Engine Co., Ltd., Shanghai, 200241
4.
Northeastern University, Key Laboratory for Anisotropy and Texture of Materials, Ministry of Education;;Shenyang National Laboratory for Materials Science, Shenyang, 110819
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语种
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英文 |
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文献类型
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研究性论文 |
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ISSN
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1005-0302 |
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学科
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金属学与金属工艺 |
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基金
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国家973计划
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国家自然科学基金
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国家自然科学基金
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文献收藏号
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CSCD:5323576
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32
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