模拟汉福德地下水中候选核废料储存库容器材料的环境辅助开裂行为

Nuclear and Chemical Waste Management Pub Date : 1987-01-01 DOI:10.1016/0191-815X(87)90068-4

L.A. James

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引用次数: 2

摘要

在模拟的Hanford地下水中，研究了150°C和250°C的环境辅助开裂(EAC)行为。为此，采用了疲劳裂纹扩展试验，并讨论了使用循环加载的基本原理。给出了一个例子，由此推导出EAC的阈值应力强度因子的暂定值，然后举例说明将阈值应用于废物储存库容器。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Environmentally assisted cracking behavior of a candidate nuclear waste repository container material in simulated hanford groundwater

The environmentally assisted cracking (EAC) behavior of cast ASTM A27 Steel was studied in simulated Hanford groundwater at temperatures of 150°C and 250°C. Fatigue-crack growth tests were employed for this purpose, and the rationale for using cyclic loadings is discussed. An example is given whereby a tentative value of a threshold stress intensity factor for EAC is derived, and an illustration is then made showing the application of the threshold to a waste repository container.

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