Microstructure and Tensile Property Characterization of a Nickel Containing Zinc-Based Alloy: Effects of Heat Treatment and Test Conditions.
IR@AMPRI: CSIR-Advanced Materials and Processes Research Institute, Bhopal
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| Title |
Microstructure and Tensile Property Characterization of a Nickel Containing Zinc-Based Alloy: Effects of Heat Treatment and Test Conditions.
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| Creator |
B K , Prasad
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| Subject |
Tribology
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| Description |
This study analyzes the effects produced by heat treatment on the microstructural features, electrical conductivity, hardness and tensile strength, and elongation of a nickel-containing zinc-based alloy. The influences of test temperature and strain rate on the tensile properties of the alloy have also been studied. The as-cast alloy showed primary a dendrites surrounded by eutectoid a+h and o. Heat treatment led to breaking of the dendritic structure and generation of microconstituents with improved uniformity
of distribution. The nickel-containing phase was also observed in as-cast as well as heat-treated conditions. Heat treatment had negligible influence on the morphology of the nickel-containing phase. Tensile properties improved with strain rate. Increasing temperature caused the tensile strength to reduce, while elongation was affected in an opposite manner. Heat-treated specimens attained less tensile strength and hardness but improved elongation as compared with the as-cast alloy. The observed response of the alloy has been explained on the basis of specific features of its various microconstituents and substantiated with its fractographic features and subsurface characteristics.
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| Date |
2000
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| Type |
Article
PeerReviewed |
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| Identifier |
B K , Prasad (2000) Microstructure and Tensile Property Characterization of a Nickel Containing Zinc-Based Alloy: Effects of Heat Treatment and Test Conditions. Materials Science and Engineering A, 277A. pp. 95-101. ISSN 0921-5093
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| Relation |
http://ampri.csircentral.net/417/
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