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Effect of strain and strain path on deformation twinning and strain induced martensite in AISI 316L AND 304L austenitic stainless steel

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Title Effect of strain and strain path on deformation twinning and strain induced martensite in AISI 316L AND 304L austenitic stainless steel
 
Creator MISHRA, SK
PANT, P
NARASIMHAN, K
SAMAJDAR, I
 
Subject limit strains
sheet metals
prediction
 
Description AI SI 304L and 316L austenitic stainless steel sheets were deformed at different strain and strain path using LDH (limiting dome height) method. Deformed microstructures had two interesting features- deformation twins and strain induced martensite. The former originated from decay of prior annealing twins as well as through formation of new deformation twins. Strain induced martensite formation was strongly affected by the strain and strain path. This was generalized in terms of frequency and size advantage - a classification based purely on martensite grain size. The frequency advantage was related to the presence of microstructural heterogeneities, while the growth advantage appears to originate from relative tolerance around 45 degrees < 001 > Bain orientation relationship.
 
Publisher AMER CERAMIC SOC
 
Date 2011-10-22T21:20:31Z
2011-12-15T09:10:49Z
2011-10-22T21:20:31Z
2011-12-15T09:10:49Z
2009
 
Type Proceedings Paper
 
Identifier MATERIALS PROCESSING AND TEXTURE,200,257-263
978-0-470-44419-1
1042-1122
http://dspace.library.iitb.ac.in/xmlui/handle/10054/14983
http://hdl.handle.net/100/1679
 
Source 15th International Conference on Textures of Materials,Pittsburgh, PA,JUN 01-06, 2008
 
Language English