Observations of rough crack face contact under load

机译：载荷作用下粗糙裂纹面接触的观察

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In industry there exists a need for high accuracy crack detection and sizing. Obtaining this data allows lifetime predictions of structural components to be calculated, optimising working life. One of the most common techniques employed for this non-destructive testing is the use of ultrasound. However, compression across the faces of cracks causes a reduction in the reflection of ultrasound due to an increase in the amount of contact. This paper seeks to assess crack face contact to determine the applicability of current ultrasonic reflection models and to provide direction to future investigation. The ultimate objective being to develop a modelling tool that will predict crack detectability under compressive loading.

机译：在工业中，需要高精度的裂纹检测和定径。获取此数据可以计算结构组件的寿命预测，从而优化工作寿命。这种无损检测最常用的技术之一就是使用超声波。然而，由于接触量的增加，横跨裂纹表面的压缩导致超声反射的减少。本文旨在评估裂纹面接触，以确定当前的超声反射模型的适用性，并为今后的研究提供方向。最终目标是开发一种建模工具，它将预测在压缩载荷下的裂纹可检测性。

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来源
《Leeds-Lyon Symposium on Tribology; 20000905-08; Lyon(FR)》|2000年|P.819-827|共9页
会议地点 Lyon(FR)
作者
N. Hankinson; R. S. Dwyer-Joyce; B. Drinkwater; L. Morgan;
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作者单位

Wear of Materials Group, Department of Mechanical Engineering, University of Sheffield, Mappin Street, Sheffield, S1 3JD, United Kingdom;

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原文格式 PDF
正文语种 eng
中图分类机械摩擦、磨损与润滑;
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Observations of rough crack face contact under load

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