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Engineering Property Comparisons of Powder Metallurgy (PM) Alloy X7901-T7E69 and Ingot Metallurgy (IM) Alloy Forgings

机译：粉末冶金（pm）合金X7901-T7E69与铸锭冶金（Im）合金锻件的工程特性比较

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Fracture toughness and stress corrosion tests of aircraft aluminum alloys are summarized. Considerably better resistance to crack extension of the IM alloys 7075-T73 and 7050-T736 as compared to the PM alloy X7091-T7E69 is found in the fracture toughness tests for the same test orientation as applied in spectrum fatigue tests. This may be (part of) the explanation for the early static crack extension and the low fatigue crack propagation life with flight simulation loading of PM alloy X7091-T7E69 specimens. The stress corrosion tests under atmospheric conditions show a higher resistance to stress corrosion cracking for the PM alloy X7091-T7E69 than for the IM alloys.

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作者
Schra, L.;
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年度 1984
页码 p.1-15
总页数 15
原文格式 PDF
正文语种 eng
中图分类工业技术;
关键词
Aluminum alloys; Crack initiation; Fracture strength; Ingots; Powder metallurgy; Stress corrosion cracking; Aircraft construction materials; Crack propagation; Flight simulation;

机译：铝合金;裂纹萌生;断裂强度;锭;粉末冶金;应力腐蚀开裂;飞机建筑材料;裂纹扩展;飞行模拟;

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2. Property analysis and mathematical modeling of machining properties of aluminium alloy hybrid (Al-alloy/SiC/flyash) composites produced by liquid metallurgy and powder metallurgy techniques [J] . S Charles, V P Arunachalam Indian journal of engineering and materials sciences . 2004,第6期

机译：液态冶金和粉末冶金技术生产铝合金杂化（铝合金/ SiC /粉煤灰）复合材料的性能分析和数学模型
3. Comparison of the machinability of titanium alloy forging and powder metallurgy materials [J] . Sun F. J., Qu S. G., Li G., The International Journal of Advanced Manufacturing Technology . 2016,第5a8期

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5. Processing and development of aluminum-silicon powder metallurgy alloys for hot forging technologies. [D] . Mosher, Winston G. E. 2010

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6. Comparison of the Cracking Behavior of Powder Metallurgy and Ingot Metallurgy Ti-5Al-5Mo-5V-3Cr Alloys during Hot Deformation [O] . Qinyang Zhao, Fei Yang, Rob Torrens, 2019

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8. A Comparison of Microstructure and Properties of Equivalent Strength Ingot Metallurgy and Powder Metallurgy 7XXX Aluminum Alloys. [R] . Doerr, S. H. 1981

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Engineering Property Comparisons of Powder Metallurgy (PM) Alloy X7901-T7E69 and Ingot Metallurgy (IM) Alloy Forgings

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