大学英语词汇短语释义解析及例句 grain boundary


释义：

grain boundary [材] 晶界

例句：



Grain boundary diffusion plays an important role in the whole sintering course.

晶界扩散在烧结过程中始终起着非常重要的作用。



When the recrystallization completes, most of grain boundary is high Angle grain boundary.

当再结晶过程完成时，绝大部分晶界为大角度晶界。



Analysis of element distribution shows that the enrichment of si and Cu exists on the grain boundary.

对雾化粉末中各元素分布的分析表明，硅、铜等元素在晶界上有富积现象。


The engine had been running at high temperatures for four times longer than a normal F-35 flight, causing a separation of the "grain boundary" on one blade, Mr Bates explained.