The use of safety cuts in fatigue damaged fastener hole repair
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- 作者：P.R. Underhill ; J. Juurlink
- 关键词：Fatigue ; Fastener hole repair ; Probability of detection ; Crack growth ; Aircraft
- 刊名：International Journal of Fatigue
- 出版年：2016
- 出版时间：October 2016
- 年：2016
- 卷：91
- 期：part_P1
- 页码：242-247
- 全文大小：1014 K
文摘
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- <p id="p0005">48 plate coupons with fatigue damaged rivet holes were repaired using standard aircraft techniques.p>
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- <p id="p0010">24 of the coupons had an additional safety cut of 0.030 in. (0.75 mm).p>
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- <p id="p0015">Safety cut coupons had less fatigue life scatter than non-safety cut coupons.p>
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- <p id="p0020">Residual cracks were serving as initiation sites in non-safety cut coupons.p>
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- <p id="p0025">Safety cuts give lower edge margins but are a necessary part of the repair process.p>