Non-destructive Neutron Surface Residual Stress Analysis

被引：1

作者：

Kornmeier, J. Rebelo ^{[1
]}

Hofmann, M. ^{[1
]}

Gan, W. M. ^{[2
]}

Gibmeier, J. ^{[3
]}

Saroun, J. ^{[4
]}

机构：

[1] Tech Univ Munich, Heinz Maier Leibnitz Zentrum MLZ FRM 2, Munich, Germany

[2] Helmholtz Zentrum Geesthacht, German Engn Mat Ctr MLZ, Geesthacht, Germany

[3] Karlsruhe Inst Technol, Inst Appl Mat, Kaiserstr 12, D-76131 Karlsruhe, Germany

[4] CAS, Inst Nucl Phys, Vvi, Rez 25068, Czech Republic

来源：

JOURNAL OF NONDESTRUCTIVE EVALUATION | 2019年 / 38卷 / 03期

关键词：

STRESS-SPEC; Surface residual stresses; Neutron diffraction; Spurious strains; Double radial collimators;

D O I：

10.1007/s10921-019-0617-2

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Diffraction is a powerful tool for investigation of residual as well as applied stresses in engineering materials and components. Both X-ray and neutron diffraction can be used for this purpose. The interest in neutron stress analysis stems from the high penetrating power of neutrons when compared to laboratory X-ray sources, i.e. several cm instead of a few tens of mu m in metallic materials. This contribution gives an overview on current instrumental and methodical developments for non-destructive through surface strain measurements, which bridges the gap between X-rays and neutrons analysis.

引用

页数：6

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