Arora, Punit and Gupta, S K and Bhasin, V and Singh, R K and Sivaprasad, S and Tarafder, S (2016) Testing and assessment of fatigue life prediction models for Indian PHWRs piping material under multi-axial load cycling. International Journal of Fatigue, 85 (IF-2.899). pp. 98-113.
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Age-hardenable Al-Mg-Si alloys can be strengthened by precipitation hardening along with grain refinement and dislocation density. Low-temperature deformation not only increases the dislocation density but also arrests grain recovery and promotes precipitation hardening. In this investigation, subzero temperature rolling, in combination with artificial aging, was performed to achieve strengthening as well as substantial amount of plasticity. The thermomechanically treated alloys were subjected to nanoscratch measurements to study the tribological behavior in terms of plastic energy, recovery index, penetration depth and residual depth. Scratch hardness was measured and utilized to calculate the wear rate, recovery resistance, wear resistance and the wear coefficients using Archard's equation. (C) 2016 Elsevier Ltd. All rights reserved.
|Uncontrolled Keywords:||Fatigue crack initiation life; Masing behavior; Multi-axial; Non-proportional; Plastic strain energy density|
|Divisions:||Material Science and Technology|
|Deposited By:||Sahu A K|
|Deposited On:||11 Aug 2017 16:43|
|Last Modified:||15 Sep 2017 11:16|
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