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Abstract
Evolutions in Mechanical Engineering
Deformation Mechanisms in a Niobium-Added Zirconium Alloy via Load Relaxation Tests
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Open or CloseMurty KL1*, Webber KA2 and Charit I3
1North Carolina State University, USA
2Presently at the Nuclear Regulatory Commission, Washington DC, USA
3University of Idaho, Idaho Falls, USA
*Corresponding author:Murty KL, North Carolina State University, Raleigh, NC 27695, USA
Submission: June 06, 2022; Published: July 28, 2022
ISSN: 2640-9690Volume4 Issu3
Abstract
Load relaxation tests have been performed on a recrystallized Nb-bearing Zr alloy sheet in the rolling direction at various temperatures. The strain rate - stress data thus obtained were used to identify the transitional deformation mechanisms in various modulus-compensated stress regimes. Crystallographic texture of the alloys that controls the extent of mechanical anisotropy was determined. Load relaxation tests are also performed in the direction at 45o to the transverse direction in order to characterize the deformation anisotropy. The degree of anisotropy (in terms of the strain rate ratio) is found to increase with the increase in stress exponent values.
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