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Dynamic response of cylindrical cavity to anti-plane impact load by using analytical approachZHAI Chao-jiao(翟朝娇)1, 2, XIA Tang-dai(夏唐代)1, 2, DU Guo-qing(杜国庆)3, DING Zhi(丁智)2, 4(1. Key Laboratory... of an unlimited cylindrical cavity buried in the infinite elastic soil subjected to an anti-plane impact load along the cavern axis direction was studied. Using Laplace transform combining with contour integral......
source, Na2FePO4F/C composite is prepared by alcohol-assisted ball milling and solid-state reaction method. The XRD pattern of Na2FePO4F/C composite demonstrates sharp peaks, indicating high... reaction could be a practical and effective synthetic route for the industrial production of Na2FePO4F/C material. Key words: lithium-ion batteries; Na2FePO4F/C composite; alcohol-assisted ball milling......
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Effect of RE Modification and Heat Treatment on Impact Fatigue Property of a Wear Resistant White Cast Iron 常立民1,刘建华2,王继东1,张瑞军2 (1.Analysis and Measure Center,Jilin Normal University,Siping... of fatigue cracks in a wear resistant white cast iron after impact fatigue test were observed by means of optical microscope and SEM, and the relationship among the content of RE (rare earths) in the wear......
it is the sand impact but not the wind pressure that makes the glass broken. This research can help to take the effective protective measures. Key words: window glass; wind-sand flow; pressure load; gravel impact 风沙对铁路危害的主要形式有3种:(1) 路基风蚀；(2) 沙埋路基；(3) 大风对铁路上部建筑和客货列车行车的危害[1-2].国内很多学者对风沙灾害的特征以及防风固沙的措施进行了研究,研究的重点是以风沙流运动规律为基础围绕如何防风治沙这一关键性问题[3-5],采取有效的工程措施如修建截沙沟,挡沙堤,防沙砾栅栏,高立式尼龙网栅栏等[6],在铁路防风治沙方面取得了很多显著的成果.然......
Influence of Rare Earths on Improve Impact Property of Structural Alloy Steel with Extra Low Sulfur and Oxygen Lin Qin1,Guo Feng2 (1.Physical Chemistry Department, University of Science... and cerium on impact property of structural alloy steel with extra low sulfur and oxygen was studied by impact test and microanalysis. The results showed that rare earths increased impact power of the steel......
; Capillary wave formation on excited solder jet and fabrication of lead-free solder ball ZHANG Shu-guang(张曙光), HE Li-jun(何礼君), ZHU Xue-xin(朱学新...) Abstract: A survey of solder ball production processes especially focusing on disturbed molten metal jet breakup process was made. Then the formation of capillary wave on tin melt jet in the way......
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