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首页> 外文期刊>Engineering Fracture Mechanics >A fluid flow based model to predict liquid metal induced embrittlement crack propagation rates
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A fluid flow based model to predict liquid metal induced embrittlement crack propagation rates

机译:基于流体流动的模型来预测液态金属引起的脆性裂纹扩展速率

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摘要

An analytical model is developed for the rate of supply of embrittler to the crack tip in liquid metal induced embrittlement (LMIE), assuming that crack propagation rate is controlled by viscous losses in the liquid metal. The results of the modelling are compared with experimentally determined data for crack propagation rates in LMIE. This study indicates that in several systems the LMIE crack propagation rate is not controlled by viscous losses in the crack and that a study of crack propagation rates in LMIE may yield useful insight into the micromechanisms of LMIE fracture.
机译:假设裂纹扩展速率是由液态金属中的粘性损失控制的,则建立了一种分析模型,用于分析液态金属引起的脆化(LMIE)中脆化剂向裂纹尖端的供应速率。将建模结果与实验确定的LMIE中裂纹扩展速率的数据进行比较。这项研究表明,在几个系统中,LMIE裂纹扩展速率不受裂纹中的粘性损失的控制,而对LMIE中裂纹扩展速率的研究可能会为LMIE断裂的微观机制提供有用的见识。

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