H68黄铜断裂过程的透射电镜原位观察 - TNMSC 关键字: 断裂; 无位错区; 形变孪晶; 黄铜[gap=1077]Key words: fracture; dislocation free zone; mechanical twin; brass
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银纳米晶体薄膜在纳米压痕下的微结构转变 - 2011年 第30卷 第6期 - 电子显微学报 关键词:银;纳米压痕;透射电子显微镜;形变孪晶 [gap=857]Keywords: silver; nanoindentation; TEM; deformation twinning
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【Key words】 austenitic steel; grain size; strain-hardening rate; fracture; deforming twin
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变形孪晶 deformation twins
裂尖前方可能发生形变孪晶,裂纹沿孪晶界扩展。
Local cleavage fracture might happen in the front of crack tip.
随着道次的增加,孪生系统增多,形变孪晶相互交割,孪晶板条出现弯曲和断裂;
With increase of pressing passes, more twinning systems were activated and twin bands intersected each other, curved and fragmented finally.
随轧制方向不同,孪晶在形变中的行为也不同。
Twin lamellae will be deformed differently when rolling in different direction.
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