金属表面与内部残余应力的存在对构件的力学性能有重大影响。
The interior or exterior residual stress of metal components has importance effect on mechanics performance.
在裂纹和残余应力分析的基础上，研究激光快速成形件的力学性能。
Based on the analysis of crack and residual stress, mechanical property of Laser Rapid Forming sample is studied.
采用残余应力和力学性能测定、化学成分分析、断口扫描及金相检验等方法对铁路货车用l - B型组合式制动梁撑杆翼板产生裂纹的原因进行了分析。
The integrated analysis of crack failure for L-B Composite Brake Beam Bar Flange Slab was made by means of SEM, microscope and chemical analysis.
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