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:: Volume 13, Number 3 (Manufacturing and Production 2017) ::
Back to browse issues page 2017, 13(3): 65-76
Influence of different parameters on metallurgical and mechanical properties of aluminum alloy A356 formed by thixoforging process
alborz kazemi, salman nourouzi , A,Hamid Gorji
associat Babol University of Technology
Abstract:   (926 Views)

Thixoforging is known as a modern process for the production of parts in semi-solid state that has been developed in recent years. Thixoforging involves forging of nondendritic structure ingots in the temperature range of two phases,molten and solid phases.The purpose of this study was to investigate the effect of primary microstructure, Hydraulic Ram speed and heat treatment on metallurgical and mechanical properties of parte in thixoforging process. Microstructural study by using light microscopy, scanning electron and image analysis software has been investigated. Results show that the increase of forming speed from 1 to 5 mm/s cause the decrease of grain size from 85 to 73 micrometer in which case the final compressive strength equal 433 MPa were measured. Also, accomplishment of T6 heat treatment causes formation of globular Si eutectic phase and precipitation of Mg2Si hard particles in matrix phase that lead to increasing the compressive strength from 433 to 522MPa and hardness increase from 79 to 88 HV

Keywords: Thixoforging process, A356 aluminum alloy, reheating temperature, Ram speed of press, T6 heat treatment
Full-Text [PDF 1498 kb]   (529 Downloads)    
Type of Study: Research | Subject: Manufacturing And Production
Received: 2014/07/22 | Accepted: 2015/08/23 | Published: 2016/08/01
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kazemi A, nourouzi S, Gorji A. Influence of different parameters on metallurgical and mechanical properties of aluminum alloy A356 formed by thixoforging process. Aerospace Mechanics Journal. 2017; 13 (3) :65-76
URL: http://measej.ir/article-1-1402-en.html
Back to browse issues page Volume 13, Number 3 (Manufacturing and Production 2017)
                         مجله علمی-پژوهشی مکانیک هوافضا                                Aerospace Mechanics  Journal Aerospace Mechanics Journal
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