应用灰色关联分析方法考察了孔洞大小、硅颗粒大小、二次枝晶臂间距(SDAS)以及硬度等对A319铸造铝合金疲劳寿命的影响程度.分析A319铸造铝合金的疲劳寿命的主、次要影响因素.研究表明:对变质处理的铸造铝合金的影响程度从大到小依次为硬度、硅颗粒的大小、SDAS和孔洞大小.未变质处理的铸造铝合金的影响程度从大到小依次则为硬度、硅颗粒的大小、孔洞大小和二次枝晶臂间距.
参考文献
[1] | Caton M J et al.The Effect of Solidification Rate on the Growth of Small Fatigue Cracks in a Cast 319--Type Aluminum Alloy[J].Metallurgical and Materials Transactions A:Physical Metallurgy and Materials Science,1999,30A:3055. |
[2] | Gao Y X et al.A micro-cell model of the effect of microstructure and defects on fatigue resistance in cast aluminum alloys[J].Acta Materialia,2004,52:5435. |
[3] | 范宋杰,何国球,张卫华,刘晓山,徐瑞萱.A356铸造铝合金疲劳性能影响因素概述[J].材料导报,2007(09):59-62. |
[4] | Jordon J B et al.Microstructural Inclusion Influence on Fatigue of a Cast A356 Aluminum Alloy[J].Metallurgical and Materials Transactions A:Physical Metallurgy and Materials Science,2010,41A:356. |
[5] | Diana A Lados et al.Fatigue crack growth characteristics in cast Al-Si-Mg alloys Part I Effect of processing conditions and microstructure[J].Materials Science and Engineering,2004,385A:200. |
[6] | James M Bolleau et al.The Effect of Solidification Time and Heat Treatment on the Fatigue Properties of a Cast 319 Aluminum Alloy[J].Metallurgical and Materials Transactions A:Physical Metallurgy and Materials Science,2003,34A:1807. |
[7] | Mo De-Feng;He Guo-Qiu;Hu Zheng-Fei;Liu Xiao-Shan;Zhang Wei-Hua .Effect of microstructural features on fatigue behavior in A319-T6 aluminum alloy[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2010(15):3420-3426. |
[8] | 邓聚龙.灰理论基础[M].武汉:华中科技大学出版社,2002:7. |
[9] | 邓聚龙.灰色系统(社会、经济)[M].北京:国防工业出版社,1985:18. |
[10] | 刘思峰;郭天榜;党耀国.灰色系统理论及其应用[M].北京:科学出版社,2004:50-84. |
[11] | 莫德锋 .微结构对A319铸造铝合金变形行为及疲劳寿命的影响[D].上海:同济大学,2010. |
[12] | Ammar H.R et al.Porosity and the fatigue behavior of hypoeutectic and hypereutectic aluminum-silicon casting alloys[J].International Journal of Fatigue,2008,30:1024. |
[13] | Buffie J Y et al.Experimental study of porosity and its relation to fatigue mechanisms of model AI-Si7-Mg0 3 cast Al alloys[J].Materials Science and Engineering,2001,A 316:115. |
[14] | Wang Q G.Fatigue behavior of A356/357 aluminum cast alloys.Part Ⅱ-Effect of microstructural constituents[J].Journal of Light Metals,2001(01):85. |
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