Evolvement of longitudinal stress and residual stress field after welding are obtained.
得到了焊接过程中纵向应力的演变规律与焊后应力场的分布情况。
Evolvement process of longitudinal stress and residual stress field after welding are obtained.
得到了焊接过程中纵向应力的演变规律与焊后应力场的分布情况。
Fatigue crack propagation in a compressive residual stress field can be characterized with the closure effect.
疲劳裂纹在残余压应力场中的扩展可借助于裂纹闭合力来描述。
The temperature field and residual stress field of unclosed hoop weld were obtained and the results were discussed.
获得了非封闭环焊缝焊接温度场和残余应力场，并对模拟结果进行了分析。
The temperature field and residual stress field were obtained by using 3-D double-ellipsoidal heat source model to simulate welded process.
在模型中运用移动的三维双椭球体热源作为输入热源来模拟焊接过程，最终获得了焊接温度场和残余应力场。
Temperature field and residual stress field of orthogonal structure under normal welding and in-service welding condition were simulated by FEM.
运用有限元方法对正交接管结构在常规焊接和在线焊接条件下的温度场和残余应力场进行了数值模拟。
The temperature field and residual stress field of 3d single-layer welding and multi-layer welding were obtained, and the calculation results were discussed.
得到了三维单层焊和两层焊焊接温度场和残余应力场，并对计算结果进行分析。
Theoretical results of residual stress is modified with the relation between the largest residual stress and yield stress collected from measurement results of residual stress field.
根据最大残余应力值与材料屈服应力之间的规律关系（由冷胀孔残余应力测试结果得出的）修正已计算出的残余应力场。
Thermal residual stresses in TiAlN coatings were calculated using the finite element method. Effects of different substrates and interlayer bonding on residual stress field were investigated.
采用有限元方法分析氮铝钛涂层的残余热应力，研究不同的基体及过渡层对残余热应力分布的影响。
When a high level isotropic stress field is disturbed by a drilled hole, a relation of relieved strain vs. residual stress is derived by the basic equations of elastoplastic theory.
本文根据弹塑性理论基本方程，导出了高水平均匀残余应力场由于钻孔引起的松弛应变与残余应力的关系公式。
Temperature field distribution of weldment, which reflects complex welding heat process, is a basic on studying welding deformation, residual stress and so on.
焊件中的温度场分布反映了复杂的焊接热过程，是研究焊接变形、焊后残余应力等状况的基础。
Meanwhile the paper provides the theoretic analysis of residual stress and temperature field and instruction for intricate fabrications.
同时本文也对复杂焊接结构三维温度场和残余应力场的分析提供了理论参考。
This paper describes the mechanism, characteristics and applications of field diffusion connection. It is pointed out that the presence of residual stress can affect the bonding quality.
简要介绍了场致扩散连接的机理、特点及应用，指出了残余应力的存在对键合质量的影响。
Barkhausen effect is produced by ferromagnetic material under varying magnetic field, it can be used as a new method for nondestructive testing of residual stress.
铁磁材料在交变磁场的作用下，产生的巴克·豪森效应，可作为无损检测材料残余应力的一种新方法。
The simulation results of stress field show that it is tensile residual stress around the groove, and compressive residual stress with transition to plate edge.
应力场模拟结果显示，清根坡口附近为拉伸残余应力，向板边过渡为压缩残余应力。
Therefore, the residual stress has attracted great interest in the research field.
因此对其残余应力的研究更是引起了人们的高度关注。
The instrument for testing residual stress using magneto-elasticity noise technology is developed by means of stress states and releasing noises of materials under and altemating magnetic field.
依据铁磁材料磁化，受力释放的噪讯，研制了利用磁弹噪讯技术检测残余应力的仪器。
Figure 8 shows a digital image analysis system full-field stress map comparing residual stress in lenses produced from two different copolymers.
图8显示的数字图像分析系统满场应力图比较残余应力的镜片制作，由两个不同的共聚物。
Figure 8 shows a digital image analysis system full-field stress map comparing residual stress in lenses produced from two different copolymers.
图8显示的数字图像分析系统满场应力图比较残余应力的镜片制作，由两个不同的共聚物。
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