concentrated stress meaning in English
集中应力
Examples
- The emphases has been put on calculation of the points with concentrate stress . meantime , according to the situation of surface and non - line relation between stree and strain , it modificates the method
本文还介绍了应力的计算方法，重点考察了联箱应力集中点的应力值，并且根据表面状况，以及应力和应变非线性关系对应力进行了修正。 - The results have shown that the concentrated stress area exist in the lining of the hearth and bottom with different firebrick which should be one of the reason eroded the hearth and bottom of the blast furnace
计算结果表明：在用具有不同的导热性能和力学性能的耐火材料砌筑的炉缸内存在著应力集中现象，这是导致高炉炉缸破损的主要原因之一。 - However , the die attach layer delaminated after 500 cycles and pcb cracked in the underfilled samples after long time cycling . c - sam is employed to investigate the delamination in the underfilled samples . highly concentrated stress - strain induced by the cte mismatch between the bga component and the pcb board , coarsened grain and two kinds of intermetallic compounds ( nisn / nisns ) which formed during reflow and thermal cycle and their impact on the reliability of solder joints are discussed in this paper
充胶样品粗化尤为严重； ? ni - sn金属间化合物包括两层：其中，靠近ni焊盘的那层比较平整，同时， eds结果分析表明其化学式近似为nisn ，而靠近焊料的那层呈板条状，化学式近似为nisn _ 3 ，文献表明其为亚稳相； ?充胶使得样品最大应力范围降了接近一个数量级并降低了dnp的作用，同时，器件失效模式变为芯片粘接层分层； ? c - sam结果表明本论文采用的充胶样品，芯片粘接层分层起始于500周左右，而经过2700周循环的样品，分层几乎扩展到整个界面。
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