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- In this paper, the residual stress in the DCB specimen of LC4 aluminum alloy was studied. 测定了不同热处理状态LC4合金DCB试样中的残留应力。
- Therefore,the residual stress in the CFL/EP composite can be studied on the basis of the above results. 计算结果和试验结果吻合得较好,为后续的CFL/EP复合材料湿热残余应力的分析打下了初步基础。
- The residual stress of the heryllium ring weldment was studied by FEM simulation and X-ray stress measurement. 采用有限元分析法和X射线应力测试法对铍环形焊件的残余应力分布规律进行了研究。
- Therefore, the residual stress in the CF(subscript L)/EP composite can be studied on the basis of the above results. 计算结果和试验结果吻合得较好,为后续的CF(下标L)/EP复合材料湿热残余应力的分析打下了初步基础。
- The residual stress was measured by viewing the substrate deflection using ZYGO interferometer. 随着氧压的增大,残余应力由张应力逐渐过渡到压应力,当氧压过大时,压应力减小。
- But the resultant interfacial asperities modify the residual stress in the system. 这意味着界面粗糙化在增强界面结合的同时也引进了对界面寿命不利的因素,过度的界面造形反而可能损伤界面,降低涂层的使用寿命。
- The residual stress was evaluated by the Stoney’s equation and optical interferometer. 利用光学干涉仪测试得到了薄膜的残余应力;
- An approach is also deduced to predict the residual stress under conditions of reloading. 该表达式可用于拟合松弛试验结果,并根据试验结果预测不同初应力时的应力松弛行为。
- The residual stress in the spiral submerged arc welding (SSAW) pipe of 660mm OD and 7 1mm wall thickness is tested by the stress releasing method. 对外径 660mm、壁厚 7 1mm国产内胀成形X60钢级螺旋缝埋弧焊管的未水压、水压后和稳压后 3种管段样品 ,用机械切割应力释放法进行了内外表面残余应力的测试。
- Vibratory stress relief (VSR) can reduce the residual stress in component.The mainly cause is microcosmic plastic deformation of local region. 振动时效使残余应力峰值降低并得到均化的主要原因是材料内部微塑性变形的局部性。
- The CCY-84 model magnetic stress meter is a cheap and flexible instrument for measuring the residual stress in the working layer of cast iron rollers. 选用CCY-84型磁测应力仪来测定铸铁轧辊工作层残余应力,轻便价廉,但须先获得磁测应为灵敏系数。
- The test states,the compulsive-cold grinding can be used for controlling of the residual stress,it is a practicably effective method. 试验结果证实,强冷磨削能实现对工件表面残余应力的主动控制,是一种切实可行的有效方法。
- Finite element method was used to simulate the residual stress in soldered joints of QFP device with three kinds of lead materials. 采用有限元方法对QFP器件三种引线材料焊点的残余应力进行了数值模拟计算分析。
- By the recurrent equation, we can test the distribution, regulation and release of the residual stress on the principal ... 利用文中介绍的回归方程,可以定期检查主要结构构件的残余应力的分布及调整、释放情况。
- A non-linear elastic-plastic finite element method to predict the residual stress distribution induced b Laser Shock Processing (LSP) was established. 摘要建立模拟激光冲击残余应力场的非线性弹塑性有限元模型。
- The effect of different welding techniques, and alignment after welding, on the residual stress of rectangular girder weldment was studied. 介绍不同焊接工艺对厢形梁焊接残余应力的影响及校直前后其残余应力的变化.
- In addition, the deformation value was relevant to the distribution pattern of the residual stress and irrelevant to the dimension of the part. 对于轴类件,由残馀应力引起的变形量同残馀应力的分布函数状况有关,而同零件尺寸无关。
- Laser peening forming is a novel technology,which employes the residual stress induced by high-power repetition laser to form plate. 分析了弹性预加载下激光喷丸成形的机制,并通过试验研究了板料在弹性预加载下激光喷丸成形的特性。
- The residual stress of CVD diamond films with different deposition process parameters was measured by X-ray transmission method, and analyzed. 摘要用X射线衍射透射法测量了不同沉积工艺CVD自支撑金刚石薄膜的残馀应力,并对应力测试结果进行初步分析。
- The residual stress in cementite increased with exerted plastic strains till the border strain point and decreased thereafter. 当施加的塑性应变在边界应变点之前,渗碳体的残余应力随应变值的增加而增大,而在边界应变点之后,残余应力呈下降趋势。