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首页> 外文会议>Proceeding of An International Conference the Importance of understanding the fundamentals of the fatigue Process in Counteracting Its Effects in Engineering Components and Structures,and to Reflect on the Contributions of K.J.Miller Sheffield/United >Application of microcrack growth and distributions to improving reliability inspection scheduling of metallic materials
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Application of microcrack growth and distributions to improving reliability inspection scheduling of metallic materials

机译：微裂纹的增长和分布在改善金属材料可靠性检验计划中的应用

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摘要

Reliability inspections of metallic structures for fatigue cracks are traditionally conducted at equispaced intervals derived from long crack growth behavior.This study examines the common case where fatigue cracks nucleate continually over time and spend a majority of the life as microcracks.In such instances equispaced inspections can be inadequate for limiting the risk of failure before the next inspection.As a result,a formalism which provides a different strategy for reliability inspections based on microcrack growth and distributions is introduced here.This model provides information on the emergence of critical cracks from the cicrocrack population to more effectively schedule the inspections.
机译：金属结构的疲劳裂纹可靠性检查通常是根据裂纹扩展行为较长的等间隔进行的，本研究考察了疲劳裂纹随时间连续成核并占据微裂纹大部分寿命的常见情况，在这种情况下，等距检查可以因此，这里介绍了一种形式主义，该形式主义基于微裂纹的增长和分布为可靠性检查提供了不同的策略。该模型提供了有关从裂纹裂纹出现的关键裂纹的信息。以便更有效地安排检查时间。

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