该词条未找到_海词词典

您要查找的是不是：

Development of Thermal Mechanical Fatigue Test Rig 热机械疲劳试验器的研制
By fatigue test of bolt material,the stress-strain life curve is obtained. 通过螺栓材料的疲劳试验,获得了材料的应力应变寿命曲线;
The results show that,in the mechanical bend fatigue test and three point bend test,the underfill material of U1 and U2 both can improve the mechanical bend reliability of BGA assemblies,and U1 material performs better. 结果发现在机械弯曲可靠性试验中,U1、U2材料的填充均能提高焊点的机械弯曲可靠性,并且U1的效果更好。
Conduct material Fatigue Testing and Thermal stress test. 进行材料疲劳测试和热应力测试。
Among so many factors contributing to durability, mechanical fatigue is the primary factor. 在影响耐久性的诸多因素中，机械疲劳是首要因素。
High temperature isothermal mechanical fatigue and in phase thermomechanical fatigue (TMF) tests in stress control were carried out on a molybdenum alloy. 对钼合金进行了应力控制高温低周等温疲劳和同相位热机械疲劳试验。
Based on the program load spectrum, intensified fatigue test for rearaxleare made. 在编制程序载荷谱的基础上,对后桥壳体进行了强化疲劳试验。
The method of correlation factor is an effective method to loads transacting of the fatigue test of airplane structure. 相关系数法是一种有效的飞机疲劳试验载荷处理方法。
In order to overcome such problem, a new technique named as VFT (Virtual Fatigue Test) has been offered in this paper. 为了克服这两个难点，论文提出了基于虚拟样机理论的“虚拟疲劳试验”技术。
Fatigue test is done on medium carbon steel specimens with small surficial pre-cracks and single-edge pre-cracks. 采用带有微小表面预制裂纹和边缘预制裂纹的中碳钢试验片进行了疲劳实验。
The piston rod of family sedan's rear snubber fractured duringearlier stage of rotary bending fatigue test. 家轿后减振器活塞杆在进行旋转弯曲疲劳试验时出现早期断裂。
Tne formula under given fracture length is verified by fatigue test datas of welded box girder on overhead travelling crane. 并用桥式起重机焊接箱形梁的疲劳试验数据，对给定裂纹长度时构件疲劳可靠度的计算公式进行验算。
Abstract： The piston rod of family sedan’s rear snubber fractured during earlier stage of rotary bending fatigue test. 摘要：家轿后减振器活塞杆在进行旋转弯曲疲劳试验时出现早期断裂。
At present,tuning-folk resonance plate structure is common used in crankshaft bending fatigue test bench in domestic diesel engine industry. 目前,国内柴油机行业普遍使用的曲轴弯曲疲劳强度试验台架,均采用音叉共振板结构。
The effect of temperature on cyclic fatigue life and fracture mechanism on 2524-T4 aluminum alloy was studied by cyclic fatigue test,SEM and TEM. 采用疲劳实验、SEM及TEM等分析测试手段,研究温度对2524-T4合金疲劳寿命及断裂机制的影响。
Metallographic analysis,tension test,fatigue test and SEM analysis were conducted on the TA15 titanium alloy welded joint. 对TA15钛合金板材电子束焊接试样进行了金相分析和静力试验、疲劳试验和扫描电镜(SEM)分析。
Pb-free solder;BGA;thermal cycling;dynamic fatigue tests;electrical analysis. 关键词:无铅焊锡;球格阵列构装;冷热循环试验;动态疲劳试验;电性分析
When the fatigue test is carried on the blade of aircraft engine, long-time actuating vibration must be applied to the blade. 摘要飞机发动机叶片进行疲劳试验时，需对叶片进行长时间激振以完成叶片的疲劳试验。
The fatigue test results show that the higher shock impedance of overlays,and the higher laser power density,the greater the increase of fatigue life of aluminum alloy. 疲劳试验结果表明：约束层冲击阻抗越大，激光脉冲功率密度越高，铝合金激光冲击处理后疲劳寿命的提高越显著。
The fatigue test results have also shown the effect of strengthening mechanism and confirmed the presence of a break in the fatigue life curve in age hardened aluminum alloys. 疲劳试验结果还显示了强化机制的影响，证实了时效强化合金疲劳寿命曲线的双斜率的存在。