Q460组织异常和微裂纹控制探讨_经济学_九九论文中心 关键词：组织异常 微裂纹 控制 [gap=576]Key Words：Abnormal structure;Micro cracks;Control
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Micro-cracks 微裂纹 ; 微裂 ; 裂缝
micro-cracks damage 微裂纹损伤
micro cracks detection 微裂纹检测
micro-cracks configuration 微裂纹构形
multi-micro cracks 细观多裂纹
micro-cracks growth 微裂纹扩展
indoor micro-cracks 室内微裂纹
matrix micro-cracks 基体微裂纹
grinding micro-cracks 磨削微裂纹
Fracture of pipeline usually begins with microcracks,and it is very important to study its formation,distribution,propagation in the service life prediction of pipeline. The evolution model of stress corrosion damage of pipe is analyzed based on the damage mechanics theory.
管道的断裂损坏常常始于微裂纹,研究微裂纹的形成原因、分布情况、扩展规律、扩展速率和影响因素等对于管道的寿命预测有重要的参考价值。
参考来源 - 氢致微裂纹应力腐蚀损伤管道的寿命预测·2,447,543篇论文数据，部分数据来源于NoteExpress
Need to pay attention to the small fees. A great ship sank, sometimes is caused by the micro cracks.
须要注意小额费用。一艘大船的沉没，有时是微的裂口所致。
Therefore, "tufts" — built-in micro cracks — absorb pressure in unison to prevent splits and major fractures.
因此，成簇形状（内置微裂纹）可吸收压力一致预防小的裂缝和大的碎裂。
When they analyzed these rocks, they foundshockedquartz grains—slivers with a particular arrangement of micro cracks believed to represent the relic left by an extraterrestrial impact.
在分析这些岩芯时，他们发现冲击石英颗粒———带有特殊排列的微裂缝的薄片，科学家认为他们是外层空间来的物体与地球碰撞留下来的遗迹。
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