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    题名 作者 年代 出处 被引量
1Fatigue crack growth behavior of 2624-T39 aluminum alloy with different grain sizes显示文摘The microstructure of 2624-T39 aluminum alloy was analyzed by means of metallographic(OM), scanning electron microscope(SEM) and transmission electron microscope(TEM). The effects of different microstructure characteristics on the tensile properties and fatigue crack growth rate of 2624-T39 aluminum alloy were studied.Results showed that the grain size of the alloy was a typical fiber structure along the rolling direction, and the main second phase was the A_(l2)CuMg phase. The grain size of the alloy had an obvious influence on the fatigue crack growth rate, and the alloy showed a lower fatigue crack growth rate due to the larger grain size. The crack initiation zone on the fracture surface of alloys with lower fatigue crack growth rate was relatively rough, the crack propagation zone had obvious fatigue striations, and the transient fracture zone had a large number of smaller dimples.Guan Huang Zhi-Hui Li Li-Ming Sun Xi-Wu Li Kai Wen Li-Zhen Yan Bai-Qing Xiong Yong-An Zhang 2021Rare Metals2021,40,9:0
2结晶器钢液电磁控制技术的发展显示文摘论述结晶器内钢液流动的特征及流动控制的目的,介绍并分析了电磁搅动电磁制动、软接触电磁连铸等结晶器内钢液流动电磁控制技术的特点及发展趋势.幸伟 2013南方金属2013,,1:0
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