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|Title:||Effective reinforcement of AZ91/ZK60A hybrid magnesium alloy using B 4C nanoparticles|
|Authors:||Paramsothy, M. |
|Keywords:||AZ91/ZK60A hybrid magnesium alloy|
Nanoscale deformation mechanisms
|Source:||Paramsothy, M.,Gupta, M. (2013). Effective reinforcement of AZ91/ZK60A hybrid magnesium alloy using B 4C nanoparticles. Materials Science and Technology Conference and Exhibition 2013, MS and T 2013 3 : 2178-2185. ScholarBank@NUS Repository.|
|Abstract:||In previous reported work, ex-situ AlN nanoparticles were used to reinforce AZ91/ZK60A hybrid magnesium alloy. However, the resulting nanocomposite had: (a) marginal increase in tensile strength (without significant loss of ductility) and (b) overall significantly lower compressive strength, in comparison to the monolithic alloy. In this work, B4C nanoparticles also marginally increased the tensile strength of AZ91/ZK60A but significantly increased the tensile ductility from 16% to 25%. Further, B4C nanoparticles significantly increased the compressive strength of AZ91/ZK60A. The obvious beneficial effects of B4C nanoparticle addition (over AlN nanoparticle addition) to AZ91/ZK60A are investigated in this study. Transmission electron microscopy was used to elucidate nanoparticle-alloy matrix: (a) reactivity (Mg-N or Mg-B phase formation) and (2) interactions during tensile / compressive deformation (nanoscale deformation mechanisms). Copyright © 2013 MS&T'13®.|
|Source Title:||Materials Science and Technology Conference and Exhibition 2013, MS and T 2013|
|Appears in Collections:||Staff Publications|
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