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Paper Titles
Residual Stress Tensor Distributions in Cracked Austenitic Stainless Steel Measured by Two-Dimensional X-Ray Diffraction Method
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Microscopic Stress and Strain Evolved in a Twinning-Induced Plasticity Fe-Mn-C Steel
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Effects of Misalignment of Parallel Beam Optics on Thin Film Stress Analysis
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New Developments of Multireflection Grazing Incidence Diffraction
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Determination of Stress Profiles in Expanded Austenite by Combining Successive Layer Removal and GI-XRD
p.155
Stress Gradient Analysis by Noncomplanar x-Ray Diffraction and Corresponding Refraction Correction
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Spatial Convolution of a Stress Field Analyzed by X-Ray Diffraction
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Influence of Layer Removal Methods in Residual Stress Profiling of a Shot Peened Steel Using X-Ray Diffraction
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Material Removal, Correction and Laboratory X-Ray Diffraction
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Determination of Stress Profiles in Expanded Austenite by Combining Successive Layer Removal and GI-XRD

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Abstract:

The present work deals with the evaluation of the residual-stress profile in expanded-austenite by successive removal steps using GI-XRD. Preliminary results indicate stresses of several GPa's from 111 and 200 diffraction lines. These stresses appear largest for the 200 reflection. The strain-free lattice parameter decayed smoothly with depth, while for the compressive stress a maximum value is observed at some depth below the surface. Additionally a good agreement was found between the nitrogen profile determined with GDOES analysis and the strain-free lattice parameter from XRD.

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Periodical:

Advanced Materials Research (Volume 996)

Pages:

155-161

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.996.155

Citation:

Cite this paper

Online since:

August 2014

Authors:

Frederico Augusto Pires Fernandes, Thomas L. Christiansen, Marcel A.J. Somers

Keywords:

Expanded Austenite, Gas Nitriding, Grazing Incidence, Low Temperature Surface Hardening, Stress Analysis, X-Ray Diffraction (XRD)

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Creative Commons CC BY 4.0

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