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Effect laws and mechanisms of different temperatures on isothermal tensile fracture morphologies of high-strength boron steelLIU Jia-ning(刘佳宁)1, SONG Yan-li(宋燕利)2, 3, LU Jue(路珏)1, GUO Wei(郭巍)2, 3(1... investigated at different temperatures at a constant strain rate of 0.1 s-1 based on isothermal tensile tests. Fracture mechanisms were also analyzed based on the relationship between microstructure......
Tensile and fracture behavior of DZ951 Ni-base superalloy CHU Zhao-kuang(储昭贶)1,2, YU Jin-jiang(于金江)1 , SUN Xiao-feng(孙晓峰)1, ZHAO Nai-ren(赵乃仁)1, GUAN Heng-rong(管恒荣)1, HU Zhuang-qi(胡壮麒)1 1... 2006 Abstract: The tensile and fracture behavior of DZ951 directionally solidified Ni-base superalloy was studied in the temperature range of 20-1 100 ℃. The fracture mode was examined by scanning......
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fracture occurs in peak-aged condition. Key words: Mg-Gd-Y-Zr alloy; second phases; microstructure; fracture; tensile properties 1 Introduction Lightweight magnesium alloys have attracted increasing... the aggregation and combination of microvoids, the alloy is ruptured Fig.3 Tensile properties for as-extruded alloy and alloy aged at 498 K for 12 h and RT Fig.4 SEM images of fracture surfaces((a), (c......
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......
microcracks. Key words: aluminum alloy; tensile ductility; modeling; deformation; fracture ____________________________________________________________________ 1 Introduction High strength and low density... fracture strain, εmf, the plastic strain, εp, reaches the nominal fracture strain, εf, or tensile ductility at the onset of fracture. Thus, Eqn.(11) changes to (12) Thus......