Abstract

The state of the art in the field of estimating the fracture toughness of ductile steels using the parameters of indentation by a spherical indenter is considered. Relations to calculate the specific indentation energy of a sphere using the diameter of a recovered impression are received. A method is developed to estimate the critical stress intensity factor for the plane strain state of pipeline and vessel steels using the parameters of indentation by a spherical indenter performed on a standard stationary Brinell hardness tester.

中文翻译：

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不同温度下钢的断裂韧性压痕测定

摘要

考虑了使用球形压头的压痕参数估算韧性钢的断裂韧性领域的最新技术。接收到使用恢复的压痕的直径来计算球体的特定压痕能量的关系。开发了一种方法，该方法使用在标准固定布氏硬度计上执行的球形压头的压痕参数来估算管道和容器钢的平面应变状态的临界应力强度因子。