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Christien, F., Telling, M. T. F., Knight, K. S. & Le Gall, R. (2015) A method for the monitoring of metal recrystallization based on the in-situ measurement of the elastic energy release using neutron diffraction. Rev. Sci. Instrum. 86 053901. 
Added by: Laurent Cournède (2016-03-10 18:36:41)
Type de référence: Article
DOI: 10.1063/1.4919414
Numéro d'identification (ISBN etc.): 0034-6748
Clé BibTeX: Christien2015
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Catégories: ID2M
Mots-clés: alloy, Copper, kinetics, line-profile analysis, microstructure, steel, stored energy, texture, x-ray-diffraction
Créateurs: Christien, Knight, Le Gall, Telling
Collection: Rev. Sci. Instrum.
Consultations : 9/447
Indice de consultation : 2%
Indice de popularité : 0.5%
Résumé     
A method is proposed for the monitoring of metal recrystallization using neutron diffraction that is based on the measurement of stored energy. Experiments were performed using deformed metal specimens heated in-situ while mounted at the sample position of the High Resolution Powder Diffractometer, HRPD (ISIS Facility), UK. Monitoring the breadth of the resulting Bragg lines during heating not only allows the time-dependence (or temperature-dependence) of the stored energy to be determined but also the recrystallized fraction. The analysis method presented here was developed using pure nickel (Ni270) specimens with different deformation levels from 0.29 to 0.94. In situ temperature ramping as well as isothermal annealing was undertaken. The method developed in this work allows accurate and quantitative monitoring of the recrystallization process. The results from neutron diffraction are satisfactorily compared to data obtained from calorimetry and hardness measurements. (C) 2015 AIP Publishing LLC.
Added by: Laurent Cournède  
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