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Gogoi, S.
- Development of A Computational Model to Investigate Precipitation Kinetics in Al Alloy
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Authors
Affiliations
1 Department of Mechanical Engineering, Tezpur University, Tezpur 784028, IN
1 Department of Mechanical Engineering, Tezpur University, Tezpur 784028, IN
Source
Indian Science Cruiser, Vol 34, No 5 (2020), Pagination: 52-58Abstract
Differential Scanning Calorimetry (DSC) tests were performed on the cast and solutionized 2219Al alloy at varying heating rates, to identify the endothermic peaks corresponding to the precipitation reaction. A new computational model was proposed to evaluate the kinetic parameters, activation energy and subsequently the kinetic rate equation was generated in order to investigate the intensity of precipitation hardening for these alloys.Keywords
Aluminium alloys, Precipitation behavior, Differential Scanning Calorimetry, X-Ray Diffraction, Activation energy.
References
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Abstract Views :268 |
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Authors
Affiliations
1 Department of Mechanical Engineering, Tezpur University, Tezpur 784028, IN
1 Department of Mechanical Engineering, Tezpur University, Tezpur 784028, IN
Source
Indian Science Cruiser, Vol 35, No 1 (2021), Pagination: 25-31Abstract
Uniaxial tensile tests were conducted on cast and homogenized 2219Al alloys microalloyed with varying contents (0 to 0.1 wt.%) of Cd. Flow curves were generated and Hollomon equation was modeled. The influence of Cd additions on flow parameters like strain hardening exponent, strength co-efficient, elastic and plastic strains was investigated. Resilience and toughness values were estimated both by equation modeling and area integration methods.Keywords
Aluminium alloys, Microalloying, Age-hardening, Flow curve, Mechanical properties.References
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