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Effects of Magnetic Field on Fracture of Al-Li Alloy Containing Cerium 王西宁1,刘兵1,陈铮1 (1.Department of Materials Science and Engineering, Northwestern Polytechnical University, Xi′an 710072, China) Abstract:The effects of magnetic field on fracture feature and microstructure of Al-Li alloys containing Ce were investigated. Experiment results show that the fracture features......
. CAVALIERE et al [14] investigated tensile and fatigue properties of 4 mm thick 2198 Al-Li alloy friction stir welded sheets. SRIVATSAN et al [15] evaluated the fracture behavior of aluminium alloy 7055... microscope (HRSEM) was used to identify the mode of fracture. 3 Results 3.1 Fatigue crack growth results The measured variation in crack length (2a) and the corresponding number of cycles (N) endured......
此,可以用Paris方程拟合曲线. 图5 热处理试样的拉伸断口形貌 Fig. 5 Fracture morphologies of NAB alloys under different heat treatments 图6 NAB疲劳裂纹扩展曲线 Fig. 6 Fatigue crack growth curves of NAB alloy...10-4之间.拟合结果表明,退火和适当温度的正火可以提高NAB的电荷传递电阻Rct,而固溶时效处理会降低NAB的Rct. 图7 NAB疲劳裂纹扩展区断口表面形貌 Fig. 7 Fracture surface morphologies of fatigue crack growth region of NAB alloy 图8 NAB合金中疲劳裂纹扩展路径 Fig......
A, 2015, 625: 271-277. [30] BAI Song, LIU Zhi-yi, GU Yang-xia. Microstructures and fatigue fracture behavior of an Al-Cu-Mg-Ag alloy with a low Cu/Mg ratio [J]. Mater Sci Eng A, 2011, 530: 473-480. [31] BAI Song, LIU Zhi-yi, LI Yun-tao. Microstructures and fatigue fracture behavior of an Al-Cu-Mg-Ag alloy with addition of rare earth Er [J]. Mater Sci Eng A, 2010, 527(7-8): 1806-1814. [32] LIU Yan......
J. Cent. South Univ. (2016) 23: 701-707 DOI: 10.1007/s11771-016-3115-z Experimental study and analysis on fatigue stiffness of RC beams strengthened with CFRP and steel plate LU Yi-yan(卢亦焱), HU Ling...: The objective of this work is to investigate the fatigue behavior of reinforced concrete (RC) beams strengthened with externally bonded carbon fiber reinforced polymer (CFRP) and steel plate......
Tensile fracture of as-cast and hot rolled Mg-Zn-Y alloy with long-period stacking phase WANG Bai-shu(王柏树)1, 2, XIONG Shou-mei(熊守美)1, LIU Yong-bing(刘勇兵)3 1. State Key Laboratory of Automotive... (LPS) phase. Tensile tests of Mg97Zn1Y2 alloy in comparison with pure Mg were conducted. The fracture morphologies of the tensile specimens were characterized and the microstructures near fracture......
线 Fig. 6 σmax-N curves for Al-Zn-Mg-Cu alloy at different aging processes 图7 不同时效工艺的疲劳断口形貌 Fig. 7 Fatigue fracture morphologies of Al-Zn-Mg-Cu alloy at different aging processes 从图7... Fracture morphologies of Al-Zn-Mg-Cu aluminum alloy under different aging processes 图4 不同时效工艺下Al-Zn-Mg-Cu铝合金的SEM像 Fig. 4 SEM images of Al-Zn-Mg-Cu alloy experiencing at different......
J. Cent. South Univ. Technol. (2011) 18: 1802-1807 DOI: 10.1007/s11771-011-0905-1 Fracture toughness of multiphase TiAl-Nb alloy in situ consolidated by spark plasma sintering YANG Xin(杨鑫)1, 2, XI... and fracture toughness were investigated by X-ray diffractometry (XRD), optical microscopy (OM), scanning electron microscopy (SEM) and mechanical testing. The results show that microstructure......
