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solidification microstructure dominantly consists of supersaturated α-Mg solid solution. The mechanical properties and fractographic analysis reveal that the fracture mechanism and corresponding morphology...; fracture surface morphology  ......
Effect of titanium addition on fracture toughness behavior of ZL108 alloy WENG Yong-gang(翁永刚), LI Zi-jing(李姿景), LIU Zhi-yong(刘志勇), LIU Wen-cai(刘文才), WANG Ming-xing(王明星), SONG Tian-fu(宋天福) Key... strain fracture toughness KIC. The experimental data were analyzed by the statistical significance tests. The results show that the fracture toughness of the ZL108 alloy containing titanium......
pattern because of the hard orientation resulting from rolling. While, when the tensile test was performed upon rolled Mg97Zn1Y2 alloy, a mixed fracture morphology including dimples, tear ridges... 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......
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......
J. Cent. South Univ. (2018) 25: 653-661 DOI: https://doi.org/10.1007/s11771-018-3768-x Degradation of joint surface morphology, shear behavior and closure characteristics during cyclic loading FAN...: In order to investigate the failure mechanism of rock joint, a series of laboratory tests including cyclic direct shear tests under constant normal load(CNL) conditions were conducted. Morphology......
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J. Cent. South Univ. (2020) 27: 3063-3077 DOI: https://doi.org/10.1007/s11771-020-4529-1 Numerical simulation on effect of heterogeneity on mode Ι fracture characteristics of rock WANG Jin-tao(王金涛... sensitive to tensile loading than compressive loading, since the tensile strength of rock is much lower than compressive strength. The fracture characteristics of rock in the tensile state are of great......
℃ for 24 h, is up to 765 MPa. Key words: aluminum matrix composite; spray deposition; heat-treatment; fracture morphology fracture strength of the as-aged sample is 765 MPa, which is much higher than that of the as-extruded and the as-solid-solution treated......
of materials and reflect their real-time morphology during the failure process [34-38]. Importantly, the change of loading rate will lead to the change of rock fracture mechanism. Therefore, the AE signals... Ming-he, LU Jian-chun, LU Xiao-feng, ZHAO Jian. Fracture surface morphology of brittle geomaterials influenced by loading rate and grain size [J]. International Journal of Impact Engineering, 2019, 133......
J. Cent. South Univ. Technol. (2008) 15(s1): 496-499 DOI: 10.1007/s11771-008-408-x Experimental study on time-dependent stress and strain of in-plane shear (ModeⅡ) fracture process of rock WANG... was used to study time-dependent stress and strain of in-plane shear (Mode Ⅱ) fracture process of rock and to reveal the mechanism of Mode Ⅱ fracture. Numerical results show that the maximum shear stress......