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THE EFFECT OF TEMPERATURE ON ELONGATION TO FAILURE IN NANOSTRUCTURED MATERIAL FABRICATED BY ARB PROCESS

Journal: International Journal of Mechanical and Production Engineering Research and Development (IJMPERD ) (Vol.11, No. 2)

Publication Date:

Authors : ;

Page : 407-416

Keywords : Elongations; Temperature; ARB Cycles; Nanostructured & Ultra-Fine Grain;

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Abstract

A nanostructured material was produced by accumulated roll bonding (ARB) process after several passes. The grain dislocation, grain rotation, grain curvature angles and the fraction of high angle grain boundaries increased as the ARB cycles increases. During ARB cycles, the material was observed to elongate more as the temperature in the material increases due to adiabatic warming that takes place during ARB cycles. The optimum temperature on the material was achieved for maximum elongation to failure. This causes more material elongation at higher temperature and material fatigue takes at the maximum temperature during ARB cycles. The obtained results revealed indication of material fracture surfaces in higher temperature after several ARB cycles than in lower temperature. The reason for this was due to deeper, bigger, and longer being observed in high temperature elongation than in low temperature elongation range during ARB cycles.

Last modified: 2021-06-23 20:52:24