热应力

rè yìnɡ lì
  • thermal stress;thermal load
热应力热应力
  1. 采用Ansys软件建立BGA倒装芯片模型考察焊点的热应力。

    BGA flip chip model was established based on Ansys software to investigate thermal stress in the solder joints .

  2. 宏观裂纹在热应力的作用下在孔洞尖角处开裂并向成形件顶部延伸;B、Si等元素所生成的化合物偏析在晶界形成杂质容易产生微观裂纹。

    The macro-cracks origined at hole cusp and extended to the top of the DMD components for the existence of thermal stress . The impurity compounds contained B , Si and other elements are prone to formation of micro-cracks . 2 .

  3. MATLAB在汽轮机转子热应力仿真中的应用

    Application of MATLAB in Heat Stress Simulation of Steam Turbine Rotor

  4. 模厚比K值对钢锭模热应力分布的影响

    Effect of Thick Ratio K on Thermal Stress Distribution of Ingot Mould

  5. Y2O3薄膜热应力分布的有限元模拟

    Finite Element Simulation of the Thermal Stresses in Y_2O_3 Thin Films

  6. 本文运用ANSYS软件,采用死活单元法对离子喷涂的涂层热应力进行了有限元计算,并进行了定性的分析。

    The thermal stress during spraying is simulated and analyzed by element birth and death method with ANSYS software .

  7. CSP键合金丝热应力分析

    Analysis of thermal stress of Au bonding thread in CSP

  8. HATi/Ti/HATi轴对称生物功能梯度材料的制备及其热应力缓和特性

    Preparation and thermal stress relaxation characteristics of HA ti / ti / ha Ti axial symmetrical functionally graded biomaterial

  9. ZrO2/NiFGM中微观残余热应力分析

    Analyses of Residual Thermal Microstresses of ZrO_2 / Ni FGM

  10. CW激光对铝合金薄板的热应力破坏的模拟计算

    Calculation for the thermal stress damage in the thin plate of Al irradiated by CW laser beam

  11. 拉梅(Lame)方程组的一个实用解&简支矩形厚板、多层厚板的静力弯曲、振动和热应力

    A Practical Solutions of Lame 's Equations & Vibration and Bending of thick plates and Laminates

  12. SOFC核心部件PEN热应力场的数值模拟电力市场中热点问题的分析与探讨(上)

    Numerical Simulation of the Stress Field of the PEN for SOFC ; Summarization and discussion on hot topics of electricity market ( part I );

  13. 针对研究新型低应力精密下料系统时,需要获得热应力预制V型槽尖端理想裂纹方法的有效性问题。

    To investigate a new type of low stress precision cropping system , it is necessary to obtain the feasibility that the heat stress was used to prefabricate the ideal crack of V-shaped notch tip .

  14. 认为由于ZnO的存在消除了电荷不匹配以及减少热应力对在Si衬底上生长宽带Ⅱ-Ⅵ族半导体材料带来的影响从而减少界面间的缺陷的产生。

    It was thought that ZnO buffer layer eliminates the imbalance of interface charge and weaken the thermal stress , so that the dislocation between wide band-gap II-VI materials and Si substrate would be decreased .

  15. 应用有限元软件Ansys,对某铁水脱硫喷枪的工作温度场与应力场进行动态仿真,显示喷枪在一次工作循环条件下热应力的动态分布。

    The working body temperature field and stresses field of desulfurizing lance has been dynamically simulated with the finite element software Ansys to show the dynamic thermal stresses distribution within lance in a duty cycle .

  16. 连续激光引起LY-12铝合金热应力破坏的理论计算

    Theoretical Calculation of the Thermal Stress Damage of LY-12 Aluminum Alloy Caused by Continuous Wave Laser Reams

  17. 利用MATLAB的计算和绘图功能,绘制了炉内辊磨损量和炉内辊外表面温度、热应力的实时动态关系曲线,表明炉内辊的使用过程的安全性;

    Using MATLAB calculation and drawing function , the real-time trends relation curve of the abrasion quantity and the outward surface temperature of the furnace roller and the thermal stress was drawn , and security in using the furnace roller was shown .

  18. 330MW汽轮机转子热应力监控系统综述

    Survey of 330 MW Turbine Rotor Thermal Stress Monitoring System

  19. 135MW汽轮机无中心孔转子热应力有限元计算及低周疲劳寿命分析

    Calculation of Finite Element of Thermal Stress and Analysis of Low-cyclic Fatigue Life for Non-central Hole Rotor of 135 MW Turbine

  20. 4.5t蠕墨铸铁钢锭模在使用过程中热应力的测定

    Thermal stress measurement of 4.5t ingot mold of vermicular graphite cast iron in service

  21. 利用MSC有限元软件进行了温度场、机械应力场、热应力场、耦合应力场及活塞顶与活塞裙接触计算分析研究。

    Define the temperature , force and contact boundary conditions of the 3-D model . The temperature field , structural stress field , thermal stress field , thermal & mechanical stress field and contact analysis were calculated by MSC software .

  22. 通过有限元模拟和试验研究相结合的方法,得出了主要工艺参数对TC4钛合金高频感应加热热应力校形效果的影响规律。

    The reliability of FEA model has been verified by experiment . ( 4 ) By means of the compared method of numerical simulation and experimental research , the laws that main process parameters impact on hot sizing result is gotten .

  23. 非梯度功能材料(NFGM)与优化后的梯度功能材料的残余热应力对比结果显示:梯度功能材料缓和热应力的效果十分显著。

    Thermal residual stresses in non gradient material ( NFGM ) and optimized FGM were comprised , the result showed the effect of thermal stresses mitigated by FGM was remarkable .

  24. 炭布高温处理降低了树脂基复合材料的ILSS,炭化后2D-C/C表现出低密度和高开孔率,炭化收缩量小、热应力小及炭化不分层等特点。

    ILSS in treated carbon cloth PMC is decreased and carbonized 2D-C / C composites show characteristics of lower density , higher open porosity and smaller shrinkage of its matrix during carbonization , which leads to low thermal stress and less delamination of 2D-C / C composites .

  25. 本文以JS-2磁流体发电机的一种陶瓷电极和二种金属电极为例,从工程角度描述了求解电极温度场及热应力的控制方程。给出了相应的热边界条件和位移约束条件。

    Using a kind of ceramic electrodes and two kinds of metal electrodes as examples this paper describes governing equations for solving the temperature field and stress field of JS-2 MHD generator electrodes and gives relevant thermal boundary conditions and displacement constraints .

  26. 介绍了阳城电厂引进的德国SIMANS汽轮机组启动的新特点,表明热应力在机组的启动、运行安全中的重要性和实用性。

    This text introduced the new start up characteristics for yangcheng power plant introduced from Germany 's SIMANS , Express that it is important and practical for heat stress control in start up and safe operation of the power plant .

  27. U型膨胀节热应力分析及疲劳寿命估算

    Thermal stress analysis and estimated fatigue life of U-type expansion joint

  28. 陶瓷与金属焊接接头残余热应力研究

    Review on residual thermal stress of ceramic bonded joint with metal

  29. 封装光纤线圈的胶粘剂对光纤产生的热应力影响

    Thermal-stress Effect of Package Optical Fiber Coil Adhesive on Optical Fiber

  30. 激光辐照下铝膜反射镜温升和热应力的计算

    Calculation of laser-induced temperature increment and thermal stress of Al-film reflector