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for fatigue properties of 15%SiCp/2009Al composite. Key words: SiCp/Al composite; fatigue; microstructure; fracture surface 颗粒增强金属基复合材料(PMMC)具有比强度和比刚度高,弹性模量高,耐疲劳,耐磨损及热膨胀系数低等一系列优点,可以实现工业化生产,有利于生产过程的控制和成... of fractured specimens: (a) 15%SiCp/ 2009Al; (b) 2024Al 图5 15%SiCp/2009Al复合材料宏观疲劳断口形貌 Fig.5 Macroscopic appearance of fracture surface of 15%SiCp/2009Al composite 疲劳裂纹扩展区位于不同平面内.在较低的循环载荷下加......
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Fracture strength of centre surface cracked tensile specimens made of 2219-T87 Al alloy welding S. RAJAKUMAR1, T. CHRISTOPHER2 1. Thanthai Periyar Government Institute of Technology, Vellore-632002... surface cracked tensile plates made of 2219-T87 Al alloy at cryogenic temperatures were correlated using a modified inherent flaw model. Fracture parameters to generate the failure assessment diagram......
the electrochemical corrosion process, the charge inclined to concentrate at the surface of the protruding metal, and therefore resulted in a good performance on removing fracture debris. However, the corrosion... Surface treatment of 3D outside serrated integral-fin tube manufactured by rolling and extrusion BAI Peng-fei(白鹏飞), LIU Xiao-kang(刘小康), YAN Hui(燕 辉), TANG Biao(唐 彪) School of Mechanical......
J[A1] . Cent. South Univ. Technol. (2008) 15: 193-197 DOI: 10.1007/s11771-008-0037-4 Chemical composition and surface charge properties of montmorillonite LIU Xiao-wen(刘晓文), HU Min(胡 敏...; Abstract: The effects of the cell parameter and chemical composition on the surface charge properties......
J. Cent. South Univ. (2020) 27: 1320-1333 DOI: https://doi.org/10.1007/s11771-020-4369-z Fractal evolution mechanism of rock fracture in undersea metal mining LIU Zhi-xiang(刘志祥)1, HAN Ke-wen(韩科文)1... of rock fissure, numerical simulation calculation of plastic zone distribution and deformation monitoring of rock mass during undersea mining, the fractal evolution mechanisms of rock fracture......
Quantitative metallography results for microstructures under investigation Fig.3 shows the side view and SEM fractograph of fracture surface of gravity cast tensile specimens. Fig.3(a) shows exposed...(a)) and flat areas (solid arrows in Fig.4(a)) can be seen on the fracture surface of rheocast samples. Acicular shape silicon particles in rheocast samples which cause stress concentration tend......
; fracture surface morphology  ..., and carried out using a WDW3100 material testing machine at room temperature with a tensile strain rate of 3×10-3 s-1, and the fracture surface morphology was analyzed by using SEM. 3 Results......
on the fracture behavior of TA15 titanium alloy. The microstructure and fracture surface of the alloy were observed by scanning electronic microscopy to analyze the potential fracture mechanisms under...Ductile fracture behavior of TA15 titanium alloy at elevated temperaturesLei Yang1,Bao-yu Wang1,Jian-guo Lin1,2,Hui-jun Zhao1,Wen-yu Ma11. School of Mechanical Engineering,University of Science......
properties; fracture surface 1 Introduction A lot of researches have been focused on the semi-solid metal (SSM) processing since it was invented in 1970s at Massachusetts Institute of Technology... boundary under an applied stress. Therefore, the globular shape would improve the tensile strength and ductility of the rheocasting sample. 3.2.2 Fracture surface Figs.3(a) and (b) show the SEM......