The result shows that the plastic strain at the heel region induced by wire bonding process, molding process and the thermal stress and strain in solder reflow are the main causes of heel crack.
结果显示由于引线键合工艺、注塑工艺以及回流焊中封装体各部分不同的热膨胀系数引起的热应力和塑性变形是产生引脚跟断裂的主要因素。
The temperature field, stress field and strain field of 304 stainless steel wire and rod during 18 passes hot continuous rolling process were calculated.
对304不锈钢棒线材18道次热连轧过程的温度场、应力场及应变场进行了数值模拟。
It means that diamond coated wire may reduce wire fracture strain and improve its mechanical property.
这表明了金刚石涂层可以减少钨丝的断裂应力，提高其机械性能。
The process and the test method, the mechanical properties, the characteristics of the stress-strain curve of the TiNi orthodontic wire and it's clinical applications effect has been described.
介绍了合金的研制过程、实验方法、机械性能、应力—应变曲线特征及临床应用效果等。
Based on the damage mechanics and metallography analysis, the characteristics of plastics damage of steel wire under high strain deformation were researched.
根据损伤力学的基本原理，利用测量弹性模量和观察金相的方法，研究了在拉拔应力状态下，随变形量的不断增大，材料的损伤特性。
The stress-strain curves of a copper wire and a structure adhesive film tested with the system are given.
最后采用该系统对金属铜丝和一种结构胶粘剂薄膜进行了拉伸测试。
The stress-strain curves of a copper wire and a structure adhesive film tested with the system are given.
最后采用该系统对金属铜丝和一种结构胶粘剂薄膜进行了拉伸测试。
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