Volume 36, Issue 4 (Journal of Advanced Materials-Winter 2018)
2018, 36(4): 21-29 |
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Mousavi S E, Meratian M, Rezaeian A. Investigating the Effect of Equal Channel Angular Extrusion on Microstructure and Mechanical Properties of the 60-40 Two-phase Brass Alloy. Journal of Advanced Materials in Engineering (Esteghlal) 2018; 36 (4) :21-29
URL: http://jame.iut.ac.ir/article-1-797-en.html
URL: http://jame.iut.ac.ir/article-1-797-en.html
Department of Materials Engineering, Isfahan University of Technology, Isfahan Iran , se.m201a@gmail.com
Abstract: (7444 Views)
Equal Channel Angular Pressing (ECAP) is currently one of the most popular methods for fabricating Ultra-Fine Grained (UFG) materials. In this study, mechanical properties of the 60-40 two phase brass processed were evaluated by ECAP. The samples were repeatedly ECAP-ed to strains as high as 2 at a temperature of 350 ◦C using route C. The microstructure of the samples showed that small grains were formed in the boundaries which indicates the occurrence of recrystallization in different passes. Observation of slip trace in the microstructure of the samples showed that even in such alloy with a low-stacking fault energy, dislocations slip trigger the deformation. Investigation of mechanical properties showed that with increasing the number of passes, tensile strength, microhardness and ducility improved at the same time.
Keywords: Equal Channel Angular Pressing (ECAP), Two phase brass alloy, Severe plastic deformation, Strength, Microstructure.
Type of Study: Research |
Subject:
Forming and mechanical properties
Received: 2016/07/9 | Accepted: 2017/01/9 | Published: 2018/03/14
Received: 2016/07/9 | Accepted: 2017/01/9 | Published: 2018/03/14
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