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Full-Text Articles in Materials Science and Engineering
Combined Effect Of Hot Extrusion And Heat Treatment On The Mechanical Behavior Of 7055 Aa Processed Via Spray Metal Forming, J. M. Schreiber, Z. R. Omcikus, Timothy Eden, Mala Sharma, V. Champagne, S. N. Patankar
Combined Effect Of Hot Extrusion And Heat Treatment On The Mechanical Behavior Of 7055 Aa Processed Via Spray Metal Forming, J. M. Schreiber, Z. R. Omcikus, Timothy Eden, Mala Sharma, V. Champagne, S. N. Patankar
Faculty Journal Articles
The mechanical properties of 7xxx series alloys can be tailored by subjecting them to deformation pro- cessing and heat treatment. In the present study dealing with spray forming of 7055 AA, extrusion and heat treatment involving solutionizing followed by peak aging resulted in improved mechanical behavior. The strength and ductility obtained are comparable to that of extruded and heat treated as-cast 7055 AA (Mondal et al., 2011) [1]. Spray forming offers an alternate route to develop high strength aluminum alloys and the current study is an attempt that draws closer to the target value of 1GPa strength and 10% ductility …
Slow Strain Rate Testing And Stress Corrosion Cracking Of Ultra-Fine Grained And Conventional Al–Mg Alloy, Mala M. Sharma, Josh D. Tomedi, Timothy J. Weigley
Slow Strain Rate Testing And Stress Corrosion Cracking Of Ultra-Fine Grained And Conventional Al–Mg Alloy, Mala M. Sharma, Josh D. Tomedi, Timothy J. Weigley
Faculty Journal Articles
Stress corrosion cracking susceptibility was investigated for an ultra-fine grained (UFG) Al–7.5Mg alloy and a conventional 5083 H111 alloy in natural seawater using slow strain rate testing (SSRT) at very slow strain rates between 1E−5 s−1, 1E−6 s−1 and 1E−7 s−1. The UFG Al–7.5Mg alloy was produced by cryomilling, while the 5083 H111 alloy is considered as a wrought manufactured product. The response of tensile properties to strain rate was analyzed and compared. Negative strain rate sensitivity was observed for both materials in terms of the elongation to failure. However, the UFG …