Stress Evaluation by Neutron and Synchrotron Radiation

Abstract:

In this paper we present two studies in order to evaluate the residual stresses in two materials. The first one, the residual stresses regenerated in shot peened aluminium plate by neutron diffraction on the strain imaging instrument SALSA at the Institut Laue Langevin, Grenoble, France, also the validation of a model of finite element analysis permitting to predict the final deformation. The second example of this work we use the cobalt-alloys coating deposited on stainless steel forging tools via Plasma Transfer Arc (PTA) process, the evaluation of the residual stresses and characterization of phases close to substrate/coating interface were done by Synchrotron X-ray diffraction.

• Periodical: Solid State Phenomena (Volume 188)
• Pages: 262-267
• DOI: https://doi.org/10.4028/www.scientific.net/SSP.188.262
• Online since: May 2012
• Authors: Alain Lodini, Abdelilah Benmarouane
• Keywords: Neutron Diffraction, Residual Stress, Synchrotron Radiation

References

[1] R. Menig, L. Pintschovius, V. Schulze, O. Vöhringer: depth profiles of macro residual stresses in thin shot peened steel plates determined by X-ray and neutron diffraction. Scripta Materiala 45 (2001) 977-983.

DOI: 10.1016/s1359-6462(01)01063-6

[2] T. Pirling, G. Bruno, P.J. Withers: SALSA, a new instrument for strain imaging in engineering materials and components. Materials Science and Engineering A 437 (2006) 139–144.

DOI: 10.1016/j.msea.2006.04.083

[3] Y.Birol, Thermal fatigue testing of Stellite 6-coated hot work tool steel. Materials Science and Engineering: A, 2010. 527(21-22): pp.6091-6097.

DOI: 10.1016/j.msea.2010.06.015

[4] C. Guyard, CH. Allibert, J. Driole, et G. Raisson, Liquid phase sintering of prealloyed powders of Co-base alloy. Science of sintering, 1981. 13 pp.149-163.

[5] Y. Birol , Ni- and Co-based superalloys as potential tool materials for thixoforming of steels. International Journal of Material Forming, 2010. 3(S1): pp.739-742.

DOI: 10.1007/s12289-010-0876-z

[6] A. Nady , Characterisation by neutron diffraction and synchrotron radiation of cobalt alloy great coating obtained by Plasma Tranferred Arc process. 2009, Thesis University of Reims.

[7] L. Fouilland, M. Elmansori and M. Gerland, Role of welding process energy on the microstructural variations in a cobalt base superalloy hardfacing. Surface and Coatings Technology, 2007. 201(14): pp.6445-6451.

DOI: 10.1016/j.surfcoat.2006.12.020

[8] A.Thomazic, Processing of multifunctional multimaterials by powder metallurgy - Bimaterial sintering mechanisms. 2010, Thesis, Institut Polytechnique of Grenoble.

[9] P. Martinson et al., Residual stress analysis of laser spot welding of steel sheets. Materials & Design, 2009. 30(9): pp.3351-3359.

DOI: 10.1016/j.matdes.2009.03.041

[10] A.Carradó et al., Neutron and synchrotron evaluation of residual stresses in coatings. Journal of Neutron Research, 2001. 9(2): pp.193-200.

DOI: 10.1080/10238160108200142

[11] J.M. Sprauel, Enhanced Macro and Micro Stress Evaluation Diffraction Techniques Applied to Biomedical Materials. Materials science forum, 2010. 638-42: pp.706-711.

DOI: 10.4028/www.scientific.net/msf.638-642.706

[12] J.M. Sprauel, Monte Carlo Simulation to Macro Stress Evaluation and Micro Strain Analysis by Neutron and Synchrotron Radiation Diffraction. Materials Science Forum, 2008. 571-572: pp.157-162. References

DOI: 10.4028/www.scientific.net/msf.571-572.157