The distribution of residual stress of weld joints is analyzed.
并分析了焊接接头残余应力的分布规律。
The effects of joint shapes and filler metal thickness on the distribution of residual stress were researched.
研究接头形状、钎缝厚度对焊后残余应力的大小及分布规律的影响。
The three-dimensional distribution of residual stress was investigated and the residual stresses on three representative sections were compared.
计算了成形后交叉缩放椭圆管的残余应力分布并比较了三个典型截面上的残余应力状况。
Phase transformation sequence in diffusion layer and the existence of residual austenite have great effect on the distribution of residual stress.
渗层中的相变次序和残余奥氏体的存在对残余应力分布影响较大。
The distribution of residual stress in typical configuration is calculated by using theoretical formulae and ANSYS. In the same time it is measured by X-ray diffraction.
应用薄壳理论和ANSYS有限元分析软件对典型结构的应力分布进行了计算,同时应用X射线衍射法对该结构的应力进行了测试。
The distribution of residual stress along depth gained through layer-by-layer measuring method after chemical etching is in line with that measured by multi-wavelength method.
化学蚀刻后逐层测试所得应力沿深度分布与用多波长法测试结果趋势一致,大小略有差异。
The studying results indicate that the magnitude and distribution of residual stress are related to the heat input created by welding process and to the cross section geometry.
分析结果表明,厚板焊接工形截面残余应力的大小及分布,除了与焊接输入热量有关外,尚与截面几何尺寸有关。
To investigate the sensor packaging effect, the finite element method is adopted for analyzing the distribution of residual stress in the multi-sensor chip with FR4 substrates.
针对集成传感器芯片封装粘贴过程中的残余应力影响器件性能的问题,使用有限元方法对环氧粘胶粘贴集成传感器芯片产生的封装残余应力进行了分析。
The expressions of load, displacement, stress and residual stress distribution for hole cold_extrusion process are established by using elastic_plastic theory.
利用弹塑性理论建立了孔冷挤压的载荷、位移、应力以及残余应力分布表达式;
Test results indicate that the method can be used to measure the distribution and the value of the residual stress, which provides a scientific reference for structural engineers.
检测结果表明,该方法可以有效地测出钢管内部残余应力的大小与分布,可为结构设计提供理论依据。
The influences of bucking mechanism caused by distribution of temperature, stress, residual stress and bucking angle are analyzed with different preloads.
分析在不同预负荷时弯曲过程中温度、应力、残余应力的分布和弯曲角度对于变形机制的影响。
This paper demonstrates residual stress of induction quench parts and personal views about stress distribution of flange corner heat treatment, truck half axle material and depth of hardened layer.
论述了感应淬火零件的残余应力形态,并对载货车半轴的材料、硬化层深度及法兰圆角淬火层分布提出了个人见解。
The effects of change in microstructure and residual stress distribution on Barkhausen noise (BN) on the bainitic steel side in a welded bainitic and austenitic steel pipe are studied.
研究了焊接贝氏体-奥氏体钢管贝氏体钢侧显微组织变化和残余应力分布对巴克豪森噪声(BN)的影响。
Residual stress distribution for engine cylinder body made of casting aluminum alloy was investigated completely using X-Ray nondestructive detection method.
利用X射线无损检测方法,对铸造铝合金制造的某发动机汽缸体的残余应力分布进行了全面分析。
The width and depth of laser transformation hardening zone and residual stress distribution were measured experimentally.
实测了激光相变硬化区的宽度和深度及残余应力分布。
Results show that distribution regularity of residual stress of in-service keeps coherent with routine welding, which measures up deformation mechanism of welding, but numeric value is different.
结果表明:在役焊接接头残余应力分布规律与常规焊接保持一致,符合管道焊接接头“内凸外凹”的变形机理,但在数值上差别较大。
In order to strengthen anti fatigue of cold worked hole, it is necessary to control the magnitude and distribution of the surface residual stress and strain.
为了使冷挤压孔真正起到抗疲劳增寿效果,有效控制孔表面残余应力大小及其分布是至关重要的。
The weld residual stress by PWTH is discussed in order to prove that PWTH can really improve the distribution of stress.
残余拉应力区宽度变大。 文中还给出了焊后热处理后的应力大小情况,以证明焊后热处理能改善应力分布。
The paper introduces the test of welding residual stress in weldment of constructional machinery and its distribution law.
通过测试工程机械结构件焊接残余应力,分析其分布特点;
Residual stress distribution of single and multiple laser shock is analyzed and validated by experimental result.
分析了单次和多次冲击下材料内部的残余应力场分布,分析结果与实验结果非常接近。
The measurement of residual stress of electron beam welding need to expend great cost, so it is important to numerically simulate the value and distribution of welding residual stresses.
电子束焊接残余应力的实测需要花费大量成本,因此采用数值模拟其焊接残余应力的大小和分布具有重要意义。
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。
High residual stress distribution zone lies in the center of work piece.
平板工件中心存在较大的残余应力分布区。
Uneven distribution of the residual stress is the main element to cause the deformation of a workpiece.
非均匀分布的残余应力是引起工件变形的主要原因。
Based on the principle of elasticity and strain misfit, a new calculation method of theoretical model to predict the residual stress distribution on optical thin films is put forward in this paper.
根据弹性力学原理,基于应变不匹配,提出了一种可以预测薄膜残余应力分配的理论模型计算方法,并将计算结果与干涉仪测量值进行了对比。
The measurement of the value and distribution for micro-residual stress in materials was crucial and difficult for micro-fracture theory.
测量材料微区残余应力的大小和分布,对于研究微观断裂机制具有非常重要的意义,一直是研究的热点和难点。
Using the theory of thermal elastic-plastic stress, this paper calculates the residual stress distribution in the heavy welded I-section by finite element method.
本文根据热弹塑性应力理论,用有限元法分析了厚板焊接工形截面柱的残余应力。
Affected by the geometry of box-section, the residual stress distribution of plate with welding passes is different from that of another plate.
受厚板截面本身的几何形状所影响,箱形截面有焊缝一侧壁板与另一侧壁板残余应力分布及大小有明显的不同。
The distribution curves of residual stress for these samples were obtained based on the phenomenon theory of wall motion.
根据磁畴壁运动唯象理论,得到残余应力分布曲线。
The residual stress distribution in specimen of 7050T7451 plate is measured by using the method, and measurement results are analyzed and compared with data obtained by other methods.
用该方法测量了7050T7451铝合金厚板内部残余应力,并对测试结果进了分析和比较。
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