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Discussion Forums - The Hendrix Group
HomeHomeDiscussionsDiscussionsOil Refinery Co...Oil Refinery Co...Stress Intensity FcatorStress Intensity Fcator
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4/13/2010 9:00 AM
 
Dear Experts What is Stress intensity factor? How it can be calculated for SS 316? How SIF value can be obtained Regards
 
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4/13/2010 9:00 AM
 
GO TO http://people.clarkson.edu/%7Eyliu/paper/EFM-proof.pdf MAYBE IT HELPS LM
 
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4/13/2010 9:00 AM
 
Inspector 1978 SIF : Stress intensity factor depends on the following: 1) Membrane Stresses: The component of uniformly distributed stress which is equal to the average value of stress across the section thickness and is necessary to satisfy the simple laws of equilibrium of internal and external forces. 2) Bending Stresses: The component of stress due to imposed loading which varies across the section thickness. 3) Secondary Stresses: The secondary stresses are self equilibrating stresses necessary to satisfy compatibility in the structure. Thermal and residual stresses are usually considered secondary. 4) Peak Stresses: The peak stress is the increment of stress that is added to the primary membrane and bending stresses and secondary stresses due to concentration at local discontinuities. Your question for S.S. 316 L should be made specific for the type of stresses you are likely to consider or examine and the limit load factor for each of the above stress intensity factors and the medium in which such stress intensity factor is applied / loaded (This can be fatigue loading, this can be in corrosive medium, this can be simple structural loading etc) To understand better for different materials - a compilation of SIF - you may go through Stress Intnsity Factor and Limit Load Hand book published by British Energy Generation Ltd TASK SINTAP Issue 2 1998 Hope this helps C.V.Srinivasan Nishi Engineers Pvt Ltd India April 14, 2010 E-mail: nishi@vsnl.com >Dear Experts > >What is Stress intensity factor? > >How it can be calculated for SS 316? > >How SIF value can be obtained > >Regards
 
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4/14/2010 9:00 AM
 
Thank you very much Mr Lima and Mr Srinivasan for your replies. Regards
 
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