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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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))|
|Uncontrolled Keywords:||creep behaviour; Statistical analysis|
|Divisions:||Material Science and Technology|
|Deposited By:||Dr. A K Sahu|
|Deposited On:||04 Jul 2012 15:31|
|Last Modified:||17 Jun 2021 00:05|
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