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National Repository of Grey Literature 1 records found  Search took 0.00 seconds. 
Microstructure and Properties of Spark Plasma Sintered Al-Zn-Mg-Cu Alloy.
 Zyka, J. ; Málek, J. ; Pala, Zdeněk ; Andršová, I. ; Veselý, J.
High entropy alloys are a new material class with promising structural and mechanical properties in wide range of applications. In principle they consist of five or more elements in equimolar concentrations resulting basically in single phase microstructure. TaNbHfZrTi alloy was developed by Senkov for high temperature applications.\nSince all of these elements are biocompatible the TaNbHfZrTi alloy can be investigated as a prospective bio implant material. The alloy was prepared by vacuum arc melting, no annealing treatment was applied. Tensile test and hardness test at room temperature were performed with very good results: yield strength 1155 MPa, rupture strength 1212 MPa, Vickers hardness 359 HV30. Microstructure and fracture morphology was also investigated.
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