Ray, Ashok K and Roy, Nilima and Sahu, J K and Tiwari, Y N and Ray, R K and Sharma, R K and Gunjan, M K and Singh, S R (2011) Studies on creep behaviour and Statistical analysis of services exposed P-22 grade of Steel. Exploratory (OLP). CSIR-NML, Jamshdpur.
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Abstract
The mechanical properties of a component at different locations in a wrought product even from single heat posses some variation because of the presence of localized heterogeneities like segregation of micro-constituents and localized strains in extensively deformed metals and alloys as a result of thermo-mechanical processing or improper heat treatment. A variety of microstructural evolutions can take place in creep exposed materials such as fine precipitation and subsequent coarsening, recovery of excess dislocations, changes in sub-grain size and thickening of sub-grain boundaries due to dislocation dampening, dynamic recovery and recrystallization of matrix structure. The objective of the work is to study the creep behavior of service exposed P-22 grade steel and investigate the scatter characteristics of creep properties such as rupture time, steady state creep rate from repeat data.
Item Type: | Project Reports (Exploratory (OLP)) |
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Official URL/DOI: | http://eprints.nmlindia.org/5702 |
Uncontrolled Keywords: | creep behaviour; Statistical analysis |
Divisions: | Material Science and Technology |
ID Code: | 5702 |
Deposited By: | Dr. A K Sahu |
Deposited On: | 04 Jul 2012 15:31 |
Last Modified: | 17 Jun 2021 00:05 |
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