Alignment of a ¼-Circle Cradle for Reliable Residual Stress Measurements

Article Preview

Abstract:

The alignment of a ¼-circle Eulerian cradle is discussed. The method is based on diffraction and uses a special alignment tool and a stress-free powder sample. A new profile shape function is introduced to describe better distorted diffraction peaks.

You might also be interested in these eBooks

Info:

Periodical:

Materials Science Forum (Volumes 768-769)

Pages:

235-241

Citation:

Online since:

September 2013

Export:

Price:

Permissions CCC:

Permissions PLS:

Сopyright:

© 2014 Trans Tech Publications Ltd. All Rights Reserved

Share:

Citation:

[1] F. Convert, B. Miege, The Control of Geometrical Sources of Error in X-Ray Diffraction Applied to Stress Analysis, J. Appl. Cryst. 25 (1992) 384-390.

DOI: 10.1107/s002188989101422x

Google Scholar

[2] A.C. Vermeulen, E. Houtman, Determination of Alignment Errors in Classical XRD Residual Stress Methods. Measurement, Accuracy and Correction, Mat. Science Forum, 347-349 (2000) 17-22.

DOI: 10.4028/www.scientific.net/msf.347-349.17

Google Scholar

[3] A.C. Vermeulen, Instrumental Aberrations in a 4-Circle Powder Diffractometer, Z. Kristallogr., 222 (2007) 204-209.

Google Scholar

[4] A.C. Vermeulen, Considerations for Collecting Reliable Residual Stress Data Across the Full 2Theta Range, Adv. in X-Ray Analysis 49 (2006) 133-142.

Google Scholar

[5] A.C. Vermeulen, Accurate Absolute Peak Positions for Multiple {hkl} Residual Stress Anal-ysis by Means of Misalignment Corrections, Z. Kristallogr., Suppl. 23 (2006) 49-54.

DOI: 10.1524/zksu.2006.suppl_23.49

Google Scholar

[6] V.M. Hauk, E. Macherauch, A Useful Guide for X-Ray Stress Evaluation (XSE), Advances in X-ray analysis, 27 (1983) 81-99.

DOI: 10.1154/s0376030800016992

Google Scholar

[7] WikipediA, The Free Encyclopedia, http: /www/wikipedia. org, Weibull distribution, http: /en. wikipedia. org/wiki/Weibull_distribution.

Google Scholar

[8] WikipediA, The Free Encyclopedia, http: /www/wikipedia. org, Cumulative distribution function, http: /en. wikipedia. org/wiki/Cumulative_distribution_function.

Google Scholar

[9] Commercial documentation, PANalytical, The Netherlands, www. panalytical. com.

Google Scholar