Fatigue Crack Growth and Precipitation Characteristics of a High Zn-Containing Al-Zn-Mg-Cu Alloy with Various Typical Aging States

Kai Wen; Hongwei Liu

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Fatigue Crack Growth and Precipitation Characteristics of a High Zn-Containing Al-Zn-Mg-Cu Alloy with Various Typical Aging States

机译：具有各种典型老化状态的含高Zn的Al-Zn-Mg-Cu合金的疲劳裂纹生长和沉淀特性

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The fatigue crack growth of Al-Zn-Mg-Cu alloy can be adjusted by different aging treatments. In the present work, a high Zn-containing Al-Zn-Mg-Cu alloy was treated by single, double and triple stage aging treatments and typical T6, T79 and T77 states were selected by tensile properties. Fatigue crack growth under these aging states was tested and related fracture morphology and precipitation characteristics were observed. The results showed that fatigue crack growth resistance for the alloy was T6

机译：可以通过不同的老化处理调节Al-Zn-Mg-Cu合金的疲劳裂纹生长。在本作工作中，通过单一，双阶段老化处理处理高Zn的Al-Zn-Mg-Cu合金，并通过拉伸性能选择典型的T6，T79和T77状态。测试这些老化状态下的疲劳裂纹生长，并观察到相关的骨折形态和沉淀特性。结果表明，合金的疲劳裂纹裂纹生长抗性是T6

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来源
《Materials science forum》 |2021年第1期|19-27|共9页
作者
Kai Wen; Hongwei Liu;
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作者单位

State Key Laboratory of Non-ferrous Metals and Processes GRINM Group Co. LTD. Beijing 100088 China GRIMAT Engineering Institute Co. LTD. Beijing 101407 China General Research Institute for Nonferrous Metals Beijing 100088 China;

State Key Laboratory of Non-ferrous Metals and Processes GRINM Group Co. LTD. Beijing 100088 China GRIMAT Engineering Institute Co. LTD. Beijing 101407 China General Research Institute for Nonferrous Metals Beijing 100088 China;

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正文语种 eng
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关键词
Al-Zn-Mg-Cu alloy; fatigue crack growth; Zinc content; Aging precipitation;

机译：Al-Zn-Mg-Cu合金;疲劳裂纹增长;锌含量;老化降水量;

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专利

1. Over-aging influenced matrix precipitate characteristics improve fatigue crack propagation in a high Zn-containing Al-Zn-Mg-Cu alloy [J] . Kai Wen, Baiqing Xiong, Yongan Zhang, Materials Science and Engineering . 2018,第feba14期

机译：过时效影响的基体析出特性改善了高含锌Al-Zn-Mg-Cu合金中的疲劳裂纹扩展
2. Aging behavior and fatigue crack propagation of high Zn-containing Al-Zn-Mg-Cu alloys with zinc variation [J] . Kai Wen, Yunqiang Fan, Guojun Wang, 自然科学进展（英文版） . 2017,第002期

机译：具有锌变化的高含锌Al-Zn-Mg-Cu合金的时效行为和疲劳裂纹扩展
3. Fatigue crack surface crystallography near crack initiating particle clusters in precipitation hardened legacy and modern Al-Zn-Mg-Cu alloys [J] . Vipul K. Gupta, Sean R. Agnew International Journal of Fatigue . 2011,第9期

机译：沉淀硬化的传统和现代Al-Zn-Mg-Cu合金中裂纹萌生粒子群附近的疲劳裂纹表面晶体学
4. Effect of Microstructure on the Fatigue Crack Growth Behavior in Al-Zn-Mg-Cu Alloy [C] . M. S. Nandana, Bhat. K. Udaya, C. M. Manjunatha International Conference on Structural Integrity . 2020

机译：微观结构对Al-Zn-Mg-Cu合金疲劳裂纹生长行为的影响
5. FATIGUE CRACK INITIATION AND MICROCRACK GROWTH IN PRECIPITATION HARDENED POWDER METALLURGY ALUMINUM ALLOYS. [D] . HIROSE, SHUZO. 1981

机译：沉淀硬化粉末冶金铝合金中的疲劳裂纹萌生和微裂纹增长。
6. Precipitation of a new platelet phase during the quenching of an Al-Zn-Mg-Cu alloy [O] . Yong Zhang, Matthew Weyland, Benjamin Milkereit, -1

机译：Al-Zn-Mg-Cu合金淬火过程中新的血小板相析出
7. Aging behavior and fatigue crack propagation of high Zn-containing Al-Zn-Mg-Cu alloys with zinc variation [O] . Kai Wen, Yunqiang Fan, Guojun Wang, 2017

机译：高锌含量al-Zn-mg-Cu合金的时效行为和疲劳裂纹扩展
8. Complete Fatigue Crack Growth Rate Curves for Aluminum Alloy 2124-T851 Including Typical Crack Growth Models [R] . Ruschau, J. J. 1978

机译：包括典型裂纹扩展模型的铝合金2124-T851的完全疲劳裂纹扩展速率曲线

Fatigue Crack Growth and Precipitation Characteristics of a High Zn-Containing Al-Zn-Mg-Cu Alloy with Various Typical Aging States

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