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Effect of Heat Treatment Conditions and Cryogenic Treatment on Microhardness and Tensile Properties of AZ31B Alloy

  • 22-12-2022
  • Technical Article
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Abstract

The article investigates the impact of heat treatment and cryogenic treatment on the microhardness and tensile properties of AZ31B magnesium alloy. It delves into the microstructural changes induced by these treatments, particularly focusing on grain refinement and the formation of Mg17Al12 precipitates. The study compares the effects of shallow and deep cryogenic treatments, highlighting the superior mechanical properties achieved through deep cryogenic treatment. The results show that deep cryogenic treatment significantly enhances microhardness and tensile strength, making the alloy more suitable for heavy load applications. The article also provides a comprehensive analysis of the tensile fracture surfaces, demonstrating the improved ductility and strength of the treated alloys. Overall, the research offers valuable insights into optimizing the mechanical properties of AZ31B magnesium alloy through advanced treatment methods.

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Title
Effect of Heat Treatment Conditions and Cryogenic Treatment on Microhardness and Tensile Properties of AZ31B Alloy
Authors
S. Dharani Kumar
S. Suresh Kumar
Publication date
22-12-2022
Publisher
Springer US
Published in
Journal of Materials Engineering and Performance / Issue 19/2023
Print ISSN: 1059-9495
Electronic ISSN: 1544-1024
DOI
https://doi.org/10.1007/s11665-022-07760-x
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