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Mechanical property test, end group analysis and SEM were adopted to study the ageing of PET and PBT composite... 采用拉伸强度与冲击强度测试、端基分析及扫描电镜分析等手段探讨了PET、PBT复合材料的老化机理和老化性能。
The property testing results showed that the PVC-U material had good mechanical property, processing and thermostability, and the pipe fittings coult meet the standard. 测试结果表明,该PVC-U材料具有良好的力学性能、成型加工性和热稳定性,管件性能达到相关技术标准要求。
The edge crack on Q345B wide strip steel was analyzed by means of chemical composition analysis,mechanical property testing,micro metallographical examination. 采用化学成分分析、力学性能测试、显微组织观察和夹杂物检验等方法对有边缘裂纹的Q345B宽带钢进行分析。
The failure of evaporate-self vessel was analyzed by means of chemical composition analysis, mechanical property testing, CTOD determination, micrographic and SEM inspection. 摘要采用化学成分分析、力学性能试验、宏微观检验等方法对自蒸发器材质和裂纹成因进行了分析。
The failure of evaporate-self vessel was analyzed by means of chemical composition analysis,mechanical property testing,CTOD determination,micrographic and SEM inspection. 采用化学成分分析、力学性能试验、宏微观检验等方法对自蒸发器材质和裂纹成因进行了分析。
Have been mechanical property testing, metallographic analysis, process performance testing, elemental analysis, eddy current inspection and testing methods. 已具备力学性能测试、金相分析、工艺性能测试、元素分析、涡流探伤等一整套检验检测的方法。
This paper studied the causes of bursting of stop valve by the methods of visual inspection, metallographical examination, chemical analysis and mechanical property test. 采用宏微观检验、化学成分分析及力学性能测试方法对截止阀阀体爆裂原因进行了分析。
An investigation was undertaken to assess the quality of P/M superalloy EP741NP disk.The chemical and phase analysis as well as mechanical property test were performed. 摘要对EP741NP合金盘坯进行了化学成分和相分析、力学性能测试、组织和断口形貌观察，并做了热处理试验。
It can measure all kinds of mechanical property test, such as spline tension, holding tension, tearing, CBR upend, ball upend, pierce and thickness measuring. 该测试仪可以完成土工布的各种力学性能测试试验，包括条样拉伸、握持拉伸、撕裂、CBR顶破、圆球顶破、刺破及厚度的测量。
The effect of heat treatment on hardness and impact toughness of polynary Copper alloy has been studied by means of metallographic,XRD,SEM/EDS,TEM and mechanical property test. 文章通过金相、X射线衍射(XRD)、扫描电镜(SEM/EDS)及透射电镜(TEM)和力学性能分析方法研究不同热处理工艺对含多元合金元素铜合金硬度和冲击韧性的影响。
The inactivation of the spindle half-coupling on the bloomer has been analysed by many facilities, such as the chemical composition analysis, the mechanical property testing, the metallographic examination. 利用化学分析、力学性能测定及金相检验等手段,对服役6个月即发生断裂的初轧机接轴半联轴节失效原因进行了分析。
Conduct operation including sampling, mounting, polishing, etching, microscope inspection,hardness and mechanical property testing, NDT testing (magnaflux, penetrant, ultrasonic. etc). 常规操作包括取样;镶嵌;抛光;腐蚀;显微镜观察;硬度及机械性能测试;无损探伤(磁粉探伤;渗透，超声波等).
The effects of welding time on the property of the joins were researched by using macroscopically mechanical property testing and microcosmic crystalline phase analyses.The reasonable welding ... 通过接头宏观力学性能测试和微观金相分析,研究了焊接时间对接头性能的影响,从而得到实心、空心螺柱合理的焊接工艺参数。
The main function of tensile test in mechanical property testing of micro-sized structure is measurement question of elastic ratio,Poisson s ratio,yield strength anad fracture strength. 微构件材料力学性能测试中,拉伸测试主要解决材料弹性模量、泊松比、屈服强度和断裂强度的测量问题。
The fractured tubing was analyzed by fractographic inspection,metallographic examination,and mechanic property testing. 对油管进行了断口分析、金相检验、材料力学性能试验。
Small punch test (SPT) technology has been developed and applied widely in material mechanical properties testing. 摘要小冲孔试验(SPT)技术在材料力学性能测试中得到了广泛的发展和应用。
The effect of plasticizer DOP on the ultraviolet light(UV) ageing properties of PVC was studied by means of mechanical properties test, SEM and FT-IR. 采用力学性能测试、扫描电镜(SEM)、红外光谱(FT-IR)等方法研究了增塑剂邻苯二甲酸二辛酯(DOP)对聚氯乙烯(PVC)紫外光老化性能的影响。
Effect of yttrium on the microstructure and properties of IMI829 and Ti 14Al 21Nb alloys were studied by using optical microscope, SEM and mechanical property testing device. 采用光学显微镜、扫描电镜和力学性能测试设备，研究了在IMI829和Ti?14Al?21Nb合金中添加Y，对合金显微组织和性能的影响。
The effect of isobutylene-isoprene rubber(IIR) on the crystallization bebaviol of isotac-tic polypropylene(IPP) and the morphology of the blends have been studied by DSC,WAXD,polarized light microscopy,SEM and mechanical property test. 本文研究了丁基橡胶(IIR)对等规聚丙烯(IPP)结晶行为的影响以及IPP/IIR共混物的形态与性能的关系。
The mechanical properties testing, microstructure observation and fractographic features analysis of the troostite high chromium cast iron blade were carried out. 对屈氏体高铬铸铁叶片进行力学性能测试、显微组织观察和断口形貌分析。