The micro process of crack initiation and propagation in austempered ductile iron has been investigated by scanning electron microscope with a micro tensile stage.
用扫描电子显微镜及微拉伸台对奥氏体- 贝氏体球墨铸铁裂纹萌生、扩展的微观过程进行了跟踪观察。
The characteristic values of micro shear test and tensile test of alloy aluminium were determined and the quantitative expressions of these characteristic values were studied.
测定了铝合金的微型剪切试验和拉伸试验的性能参数，研究了这些性能参数之间的数量关系式。
The impact strength and bending strength of Micro Foam PP injection molding foaming usually the day PP materials generally increased, tensile strength decreased a little;
通常注塑化学发泡的微发泡PP材料的冲击强度和弯曲强度较天泡的PP材料普遍有所提高，拉伸强度略有所下降；
This paper describes the correlation between the characteristic values of the micro shear test and those of the conventional tensile, fracture mechanical tests.
本文介绍了微型剪切试验与拉伸试验、断裂力学试验等参数之间的对应关系。
The effect of micro-damage on the plastic instability in uniaxial tensile testing has been studied in this paper.
本文研究了单轴静拉伸条件下微孔损伤对塑性失稳的影响。
Tensile tests, metallographic analyses and micro-Vickers tests were carried out to evaluate the mechanical properties of the joints as a function of the process parameters.
通过拉伸实验、金相分析和显微硬度测试，研究了焊接接头力学性能与工艺参数之间的关系。
The model was developed in the framework of micro-mechanics, in combination with the existing corroded coupon tensile test results.
根据预腐蚀件的拉伸实验结果，对模型的正确性进行验证。
The micro process of crack initiation and propagation in H68 brass with low stock fault energy was observed by in situ tensile test in TEM.
采用透射电镜动态拉伸、原位观察研究了低层错能合金H68黄铜断裂的微观过程。
The introduction of processing additives gave better tensile strength of the materials but made them less vulnerable to micro-organism attack.
引进的加工助剂了更好的材料拉伸强度，但使它们不易受到微生物的攻击。
Microstructure characteristics and mechanical properties of lap joints were researched by SEM, EPMA, EDS, micro-hardness tester and tensile experiment machine.
通过SEM、EPMA、EDS、显微硬度计和拉伸实验机对搭接接头的微观组织及力学性能进行了研究。
The effect of the micro residual stress on material properties during tensile is analyze. This theory mentioned above can be used to analyzed the mechanics behavior of composites.
探讨了在单向拉伸时该残余热应力对材料性能的影响，为分析复合材料的力学行为提供理论指导。
The mechanical property of the coating is greatly improved due to the polishing and squeezing of the free particles. The micro hardness doubles and the tensile intensity increases by over 90%.
电铸层的机械性能也得到了明显的改善，显微硬度和抗拉强度比传统电铸工艺提高了一倍左右。
The mechanical property of the coating is greatly improved due to the polishing and squeezing of the free particles. The micro hardness doubles and the tensile intensity increases by over 90%.
电铸层的机械性能也得到了明显的改善，显微硬度和抗拉强度比传统电铸工艺提高了一倍左右。
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