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Transactions of the Indian Institute of Metals

, Volume 71, Issue 4, pp 1025–1032 | Cite as

Effect of Temper Conditions on Abrasive Wear Behavior of AA7010 Alloy

  • Yogesh Mahajan
  • D. R. Peshwe
Technical Paper
  • 37 Downloads

Abstract

The 7xxx series alloys are used mainly in transportation industries for manufacturing vehicles due to their unique properties such as high specific strength and specific stiffness. Wear of the engine component is one of the major problems in vehicle manufacturing industries. This paper investigates wear behavior of AA7010 alloy used in transportation industries. The Al–Zn–Mg–Cu alloy solutionized and aged at various temper conditions was studied for wear using pin-on-disc machine. The characterization of the wornout surface was carried out. To study the wear mechanism, wornout surfaces were examined under scanning electron microscope. From the analysis, it was concluded that change in specific wear rate of AA7010 alloy was associated with change in hardness and microstructural constituents. Specific wear rate of peak aged and retrogression reaged RRA treated alloy were comparable. Maximum hardness in peak aged and retrogression reaged (RRA) treated alloy resulted in minimum specific wear rate as compare to solution treated and overaged alloy.

Keywords

Aging Pin-on-disc Retrogression and reaging Peak age SEM Abrasive wear 

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Copyright information

© The Indian Institute of Metals - IIM 2017

Authors and Affiliations

  1. 1.Department of Metallurgical and Materials EngineeringVisvesvaraya National Institute of Technology (VNIT)NagpurIndia

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