The results showed that the reduction of longitudinal residual plastic strain near the weld and the improvement of the distribution of longitudinal residual plastic strain could be gotten using the backing of high heat conduction and good heat emission condition in titanium alloys thin sheet .
研究结果表明 :钛合金TIG焊焊接过程中辅以导热能力强、散热条件好的垫板 ,可以减小近缝区纵向残余塑性应变的大小 ,改善纵向残余塑性应变的分布 ;随着垫板散热能力的降低 ,带热沉TIG焊缩小纵向残余塑性应变区的能力增强 ;采用散热条件好的铜垫板进行带热沉TIG焊控制变形的效果较
The distributions of longitudinal residual stress and longitudinal residual plastic strain of titanium alloy Ti-6Al-4V thin plate welded by conventional GTAW and GTAW with a trailing heat sink(DC-LSND) were studied experimentally using "Slot-sectioning stress relaxation" method.
采用切条应力释放法测量了钛合金TC4薄板常规钨极氩弧焊(GTAW)和动态控制低应力无变形GTAW对接试件中的纵向残余应力和纵向残余塑性应变的分布。
The residual plastic strain, also named inherent strain, is considered as a source causing the welding stresses and deformations.
焊接时焊缝及其附近因热膨胀受到周围温度较低金属的拘束 ,产生大量的压缩塑性应变 (简称残余塑变 ) ,残余塑变的大小和分布决定了最终的残余应力和变形。
The prediction of welding deformations based on residual plastic strains by FEM is introduced.
介绍了焊接以后构件中残余塑性应变的确定，以及基于残余塑变预测焊接变形的有限元方法，并给出了计算实
It is recognized that the latter is resultful in decreasing welding residual stress as well as welding residual strain.
采用热弹塑性有限元法 ,对直通焊和多人同时分段焊两种焊接过程的平板对接焊时焊接应力变形和圆柱壳板环缝的焊接变形进行比较 ,认为多人同时分段焊较直通焊无论在降低焊接残余应力还是焊接残余变形都具有非常显著的效
A simple empirical model for predicting residual strain under repeated load suitable for soft clays is proposed based on test results.
基于以往试验规律的分析,提出了一个较为合理地描述软土在长期重复荷载作用下残余变形发展过程的经验模型。
Study on Remnant Deflection Performance of Reinforced Concrete Beams after Rebar Yielded
钢筋混凝土梁屈服后残余变形特性研究
residual expansion of tank volume
罐体容积残余变形值
residual expansion rate of tank volume
罐体容积残余变形率
Study on Character and Forecast Model of Residual Deformation in Mining Site
采动场地残余变形特征及预测模型研究
The Effect of Deformation and Stress on Mechanical Properties of Electrodeposited Metal
变形及残余应力对金属镀层力学性能的影响
Influence of elasticity of polymer solution on residual oil droplets deformation
聚合物溶液的弹性对残余油滴变形的影响
Research on Stability of Foundation over Mined Gob and Residual Deformation Rule
老采空区上方地基稳定性及残余变形规律研究
Research on the Performance of Welding Residual Stress under the Effect of Alternate Loadings;
焊接残余应力场在交变载荷作用下的特性研究
Research on Performance of Welding Residual Stress under the Effect of Alternate Loadings;
交变载荷作用下焊接残余应力场的特性研究
Model Building Technique Study of Weld Residual Stress and Distortion;
焊接残余应力和残余变形分析的建模技术研究
Prediction of Welding Deformation & Residual Stress by FEM;
用有限元法预测焊接变形和残余应力
FE Simulation of Deformation and Residual Stress for Surface Rolling;
滚压强化变形及残余应力的数值仿真
Vibration Reduction in Flexible Mechanism Using Input Shaping
输入整形信号控制柔性机构残余振动
Study on Deformation and Residual Stresses of Titanium Alloy Sheet after Laser Shock Forming;
激光冲击成形钛合金板的变形与残余应力分析
Effects of seismic residual deformation of abutment rock on safety of Xiaowan arch dam
坝肩岩体地震残余变形对小湾拱坝安全度影响
Calculation and Analysis of Residual Stress and Deformation of Welding on Impellers by Using Finite Element Method;
叶轮焊接残余应力及变形量的有限元计算分析
Simulation Study of Residual Stress and Distortion of Welding Bogie Frame in Speeding up Freight;
提速货车焊接构架残余应力与变形的仿真研究
On Improvement and Application of Shen-zhujiang Residual Deformation Model;
沈珠江残余变形模型的改进及其应用研究