Determination of fracture toughness of 15Kh2NMFA vessel steel by kinetic indentation

被引：2
|
作者：
Bakirov, M. B. [1 ]
Morozov, E. M. [1 ]
Belunik, I. A. [1 ]
Krutko, E. S. [1 ]
机构：
[1] Engn Co Ctr Mat Sci & Lifetime, Ul Kirova 7, Lubercy 140005, Moscow Oblast, Russia
来源：
INORGANIC MATERIALS | 2015年 / 51卷 / 15期
关键词：
kinetic indentation; fracture toughness; metal aging; specimen free testing of mechanical properties; MODEL;
D O I：
10.1134/S0020168515150030
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A specimen free technique based on kinetic indentation for determination of the fracture toughness of materials is proposed. It is based on the iteration calculation of the specific indentation work which is taken to be equal to the fracture toughness of a material controlled at a defined indentation depth. This technique makes it possible to estimate the degree of embrittlement of materials of long-operating constructions by means of periodic natural nondestructive testing. Examples of the utilization of the technique for steels of nuclear reactor vessels are presented.
引用
收藏
页码：1468 / 1473
页数：6
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