器件键合失效主要表现为温度试验后管壳上的键合点脱落,而引起失效的原因与工艺过程和键合所涉及的材料有关。
The wire bonding failure of devices is mainly shown as the breaking off of wire bonded on the packages after temperature test, and the failure causes are related to wire bonding process and materials.
当Tabrizian博士把“穿上新衣服”的红细胞跟抗体放在一起处理的时候,什么也没有发生。而在一般情况下,这些抗体会附着在红细胞上面引起红细胞聚集成簇而失效。
When Dr Tabrizian exposed the newly coated blood cells to antibodies that would normally have been expected to stick to them and cause them to gather in useless clumps, nothing happened.
压力过大会促使密封过早失效,而接触压力过小则会引起泄漏。
Pressure the General Assembly to premature seal failure, and the contact pressure is too small will cause leakage.
由实验统计表明:在轴承的失效形式中,由于轴承辊子表面的缺陷而引起的裂纹、裂缝造成的轴承失效达65%。
Counts by the experiment indicated that, the bearing expiration as a result of the bearing surface flaw which in the bearing expiration form, which causes the crack, the crack creates to reach 65%.
实验统计表明:在轴承的失效形式中,由于钢球表面的缺陷而引起的裂纹、裂缝造成的轴承失效达65%。
Statistic data shows that 65% of bearing invalidation formats is induced by surface defects of steel balls.
例如:如果止推轴承上的作用力过大的话,会挤出油膜,引起金属和金属之间的相互接触,轴承将过热而迅速失效。
For example, if the force operating on a sleeve bearing becomes too high, it will squeeze out the oil film and cause metal-to-metal contact, overheating and rapid failure of the bearing.
经研究发现圆环链的失效,主要是由于圆环链受到腐蚀性介质的腐蚀,而引起的失效。
The study found that round ring chain failures, mainly due to round ring chain by corrosive medium corrosion, caused the failures.
高温燃气冲刷及冲击负荷的作用,加速了该气门的失效,其过程是由沿晶界龟裂,然后以此为裂源而引起的疲劳扩展。
And the brush of high temperature gas and impact load speeded failure. The cracks on valve sur-face are primarily emerged due to inter crystalline chap, then fatigue pr...
高温燃气冲刷及冲击负荷的作用,加速了该气门的失效,其过程是由沿晶界龟裂,然后以此为裂源而引起的疲劳扩展。
And the brush of high temperature gas and impact load speeded failure. The cracks on valve sur-face are primarily emerged due to inter crystalline chap, then fatigue pr...
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