NDLI: Improved Fracture Toughness of Cryorolled and Room Temperature Rolled 6082 Al Alloys

Content Provider	Springer Nature Link
Author	Kumar, Vineet Singh, I. V. Jayaganthan, R. Mishra, B. K.
Copyright Year	2014
Abstract	In the present work, 6082 Al alloy has been rolled to 40% and 70% thickness reductions at the cryogenic and room temperatures for the improvement in mechanical and fracture toughness properties. All cryorolled samples are subjected to aging at different temperatures, i.e., 140, 160, and 190 °C to improve the strength, ductility, and fracture toughness. The microstructures of the cryorolled (CR) and room temperature rolled (RTR) alloy after 40% and 70% thickness reductions are characterized by FE-SEM to reveal the modes of failure. The results show that the starting bulk Al alloy specimen is fractured in total ductile manner, consisting of well-developed dimples over the entire surface. The mechanical properties and fracture toughness of the 70% CR alloy are found better than 70% RTR alloy due to higher dislocations density and formation of sub-grain structures in the CR alloy.
Starting Page	359
Ending Page	367
Page Count	9
File Format	PDF
ISSN	10067191
Journal	Acta Metallurgica Sinica (English Letters)
Volume Number	27
Issue Number	2
e-ISSN	21941289
Language	English
Publisher	The Chinese Society for Metals
Publisher Date	2014-04-24
Publisher Place	Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Spectroscopy/Spectrometry Material characterization 6082 Al alloy Tribology, Corrosion and Coatings Organometallic Chemistry Rolling Mechanical properties J-Integral Characterization and Evaluation of Materials Metallic Materials Nanotechnology Fracture toughness
Content Type	Text
Resource Type	Article
Subject	Industrial and Manufacturing Engineering Metals and Alloys

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