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晶粒粗大

网络coarse grain

晶粒粗大

晶粒粗大

晶粒粗大

coarse grain

晶粒粗大(coarse grain)钢材内部缺陷之一，表现为金属晶粒比正常生产条件下获得的标准规定的晶粒尺寸粗大。

1

Conventional techniques of processing of alloys lead to a coarse-grain microstructure and give rise to inferior mechanical properties .

而传统工艺制造的合金通常会导致微观组织的晶粒粗大所以机械性能较差。

2

the phenomenon as adhering sand in the inner circle of ring , cracking and coursing of the crystal grain is effectively suppressed.

同时，螺旋环冷铁进一步补充了冷却力，抑制了环锤件内圆部粘砂、裂纹和晶粒粗大的现象。

3

The cracking of busbar during bending is found to be attributable to the coarsing of the grains .

分析了紫铜母线折弯开裂的原因是由晶粒粗大引起的；

4

Either coarse or column austenite grain can decrease the toughness of welding metal, and the ways to improve the toughness of wel. . .

奥氏体晶粒粗大及奥氏体柱状晶都能够降低焊缝的韧性，并提出了改善焊缝韧性的途径。

5

Cause Analysis of Local Grain Coarsening in Hard Wire Rod

硬线盘条组织中局部晶粒粗大原因分析

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