ISSN:
1013-9826
Source:
Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
Topics:
Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
Notes:
An isochronous stress-strain curve (ISSC) needs to be generated for a creep designapplication for high-temperature materials. To generate the ISSC for type 316LN stainless steel(SS), a series of creep data, which was obtained from creep tests with different stress levels at600oC, was used. Creep curves were modeled by means of a nonlinear least square fitting(NLSF) of the Garofalo model. In the fitting of the creep curve, a secondary creep region wasseparated into first and second phases, and its fitting range was suitable to use for the firstphase. The Garofalo model revealed a good agreement with the experimental creep data, andits parameters, P1, P2 and P3 revealed a good linear relationship as a function of a stress. TheISSCs for type 316LN SS at 600oC were successfully generated up to 300,000 hours
Type of Medium:
Electronic Resource
URL:
http://www.tib-hannover.de/fulltexts/2011/0528/01/57/transtech_doi~10.4028%252Fwww.scientific.net%252FKEM.385-387.705.pdf
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