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- The failure form of laser coating under repeated impact load were studied.The fail mechanism of surface pitting and surfacial spalling of the pieces under repeated impact load were studied. 对激光熔覆涂层试样进行了多次冲击试验,分析和讨论了多冲件表面点蚀损伤机理和多冲件表面剥落损伤机理。
- surfacial spalling 表面剥落
- However, the alumina layers spall as the temperature increases. 但是，氧化铝层剥落的温度升高。
- The fracture of film probably happens more than that of spall. 薄膜断裂比层裂的可能性要大。
- Spall the glass and push the button,when in emergency. 遇到紧急情况时，击碎玻璃并摁下按钮。
- Spall the glasses and press the buttom in the emergency. 遇到紧急情况时，击碎玻璃并摁下按钮。
- The spall that blew out the back caused the water jug to leak. 头盔背后爆出的碎片把水桶打的漏水了。
- The surfacial puckers in wei-spinning fibers can not be deleted and yet the dry-jet spinning fibers are smooth. 而干湿法纺丝技术在消除纤维表面沟槽方面有独特的作用。
- An observation of the exine structure and surfacial characteristics of Eriobotrya pollen. 枇杷花粉外壁结构及表面特征的观察.
- With the photodegradation proceeding, the molecular weights decreased and the surfacial oxidation... 随光降解的进行,聚乙烯薄膜分子量变低并且表面氧化加剧。
- Large area of spalling accured on the work layer of high-Crcentrifugal cast iron roll after heat treatment. 高铬离心复合铸铁轧辊辊身工作层在热处理后发生大面积剥落。
- The failure forms of cold work roll including contact fatigue crack, spalling, inclusion crack and wear are discussed. 讨论了冷轧工作辊接触疲劳裂纹、剥落、夹杂物裂纹和磨损等失效形式。
- Its surfacial physico-chemical properties, such as cmc(Critical Micellar Concentration), HLB(Hydrophilic-Lipophilic Balance), and its solubilization effect to water was detected. 测定了其临界胶束浓度 (cmc)、亲水亲油平衡值 (HLB值 )及对水的增溶作用等表面化学性质 ;
- The surface spalling and fatigue failure may occur after a long time of service, during wheel-rail rolling contact. 摘要钢轨钢的接触疲劳一直为铁路运输部门和研究机构所重视。
- The system may be readily fitted to existing electron beam units and is suitable for electron beam welding,hardening remelting,surfaci... 该系统可以很容易地应用于原有的电子束加工设备上,适用于电子束硬化、重熔、钎焊和表面改性处理。
- Metallographic examination and chemical composition analysis were done for analyzing the reason of spalling. 采用金相检验和化学分析等测试手段对轧辊剥落进行了分析。
- A scientific and comprehensive method was proposed for quantitative analysis of spalling degree from its mechanism. 提出从机理方面寻找科学与全面的方法定量评价爆裂程度；
- By comparison, thermo-fatigue wear with severe spalling arouse in the rubbing surface of composites in air condition. 而干摩擦下则发生了剧烈的热疲劳剥落磨损。
- The spalling results simulated by LS-DYNA2D hydrocode are consistent with the experimental results. 借助LS-DYNA2D程序模拟了铜板在爆炸加载下的层裂过程，计算结果与试验结果基本一致。
- The present status of roll abrasion model was summarized,the typical roll spalling predicting model was int... 对轧辊的损伤和继续研究工作具有一定的参考价值。
