Confocal laser scanning microscopy: The technique for quantitative fractographic analysis

被引：35

作者：

Merson, E. ^{[1
]}

Danilov, V. ^{[1
]}

Merson, D. ^{[1
]}

Vinogradov, A. ^{[2
]}

机构：

[1] Togliatti State Univ, Inst Adv Technol, Belorusskaya Str 14, Tolyatti 445667, Russia

[2] Norwegian Univ Sci & Technol NTNU, Dept Mech & Ind Engn, N-7491 Trondheim, Norway

来源：

ENGINEERING FRACTURE MECHANICS | 2017年 / 183卷

关键词：

Confocal laser scanning microscopy; Fractography; Cleavage; Facets; Fracture surface; ELECTRON BACKSCATTER DIFFRACTION; FRACTURE SURFACES; ACOUSTIC-EMISSION; HYDROGEN; STEEL; CLEAVAGE; SCIENCE; EBSD;

D O I：

10.1016/j.engfracmech.2017.04.026

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

Brittle and ductile fracture surfaces of low-carbon steel specimens having different grain sizes were investigated by means of confocal laser scanning microscopy in conjunction with conventional scanning electron microscopy and electron backscattered diffraction. The fracture surfaces were quantitatively characterized in terms of the areal surface roughness and normalized surface area. It was demonstrated that the normalized fracture surface area rather than areal roughness can be used as a measure of fracture surface ductility. The misorientation between cleavage facets and their diameters were evaluated statistically. Good agreement was found between characteristics of fracture surface elements and the underlying microstructure. (C) 2017 Elsevier Ltd. All rights reserved.

引用

页码：147 / 158

页数：12

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