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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 >Influence of boric acid-sulphuric acid anodising on fatigue crack growth rates in an aluminium alloy
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Influence of boric acid-sulphuric acid anodising on fatigue crack growth rates in an aluminium alloy

机译：硼酸-硫酸阳极氧化对铝合金疲劳裂纹扩展速率的影响

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摘要

It is well established that the presence of an anodised film on aluminium alloys can be detrimental to their fatigue performance.This is generally attributed to initiation effects associated with cracks in the oxide layer.What is less clear,however,is the effect such a film has on the propagation behaviour of an already initiated and growing fatigue crack.This paper reports the findings of fatigue crack growth experiments carried out on an anodised 2014:T4 aluminium alloy.The results obtained demonstrate that fatigue crack growth rates in aluminium alloys can be markedly enhanced by the presence of a thin oxide film.
机译：众所周知，铝合金上阳极氧化膜的存在可能会损害其疲劳性能。这通常归因于与氧化物层裂纹相关的引发效应。然而，这种膜的效果尚不清楚。本文已经报道了在阳极氧化2014：T4铝合金上进行的疲劳裂纹扩展实验的结果，所得结果表明铝合金的疲劳裂纹扩展速率可以显着提高。由于存在薄的氧化膜而增强。

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