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RSS FeedsMaterials, Vol. 12, Pages 4175: Explanation of the PLC Effect in Advanced High-Strength Medium-Mn Steels. A Review (Materials)

 
 

12 december 2019 14:03:42

 
Materials, Vol. 12, Pages 4175: Explanation of the PLC Effect in Advanced High-Strength Medium-Mn Steels. A Review (Materials)
 


The paper reviews the recent works concerning the Portevin–Le Chatelier (PLC) effect in Advanced High-Strength Steels (AHSSs) with a special attention to high-strength medium-manganese steels. Theories explaining the mechanism of the plastic instability phenomenon in steels with medium- and high-Mn contents were discussed. The relationships between microstructural effects such as TRIP (Transformation-Induced Plasticity), TWIP (Twinning-Induced Plasticity) and the PLC effect were characterized. The effects of processing conditions including a deformation state (hot-rolled and cold-rolled) and strain parameters (deformation temperature, strain rate) were addressed. Factors affecting the value of critical strain for the activation of serrated flow behavior in particular in medium-manganese steels were described.


 
214 viewsCategory: Chemistry, Physics
 
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