Using the lead crack framework to reduce durability test duration

Molent L.; Singh R.

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Using the lead crack framework to reduce durability test duration

机译：使用铅裂缝框架来降低耐久性测试持续时间

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Aircraft full-scale fatigue tests are expensive and time-consuming to conduct but are a critical item on the certification path of any aircraft design or modification. This paper outlines a proposal that trades cycling hours for increased detail in the teardown of a metallic test article. A method for determining the equivalent demonstrated crack size (and crack growth curve) at the mandated test life utilising the lead crack framework is demonstrated. It is considered that the test duration can be significantly reduced, whilst still achieving all the desired outcomes of a certification program.

机译：飞机满量程疲劳测试是昂贵且耗时的行为，但是任何飞机设计或修改的认证路径的关键项目。本文概述了一个提案，可在金属测试制品的拆除中进行循环时间进行循环时间。在利用铅裂纹框架的授权测试寿命下，证明了用于确定等同物证明的等同物证明的裂缝尺寸（和裂纹生长曲线）。认为可以显着降低测试持续时间，同时仍然实现认证计划的所有期望的结果。

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《The Aeronautical Journal》 |2020年第1276期|814-820|共7页
作者
Molent L.; Singh R.;
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作者单位

Aerosp Div Fishermans Bend Australia;

Def Aviat Safety Author Melbourne Vic Australia;

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原文格式 PDF
正文语种 eng
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关键词
Fatigue; Aircraft; Fatigue or Durability tests;

机译：疲劳;飞机;疲劳或耐用性测试;

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Using the lead crack framework to reduce durability test duration

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