Grain Refining Effect of Al-5Ti-1B Master Alloy on Microstructures and Mechanical Properties of A356 Alloy

Thee Chowwanonthapunya; Chaiyawat Peeratatsuwan

doi:10.4028/www.scientific.net/KEM.803.17

Paper Titles

Preface

Influence of Multi-Step Austempering Temperature on Tensile Performance of Unalloyed Ductile Iron
p.3

Microstructures and Mechanical Properties of Friction Welded Steel Tubes
p.13

Grain Refining Effect of Al-5Ti-1B Master Alloy on Microstructures and Mechanical Properties of A356 Alloy
p.17

Severe Plastic Deformation of Al-15Zn-2Mg Alloy: Effect on Wear Properties
p.22

Experimental and Simulation Method of Introducing Compressive Residual Stress in ASTM A516 Grade 70 Steel
p.27

Effect of Linear Energy Density on Bubble-Defect of 316L Stainless Steel by Selective Laser Melting
p.32

Effect of Solution Treatment Time on Microhardness of High Nitrogen Austenitic Stainless Steel
p.37

HomeKey Engineering MaterialsKey Engineering Materials Vol. 803Grain Refining Effect of Al-5Ti-1B Master Alloy on...

Grain Refining Effect of Al-5Ti-1B Master Alloy on Microstructures and Mechanical Properties of A356 Alloy

Abstract:

In this study, the structures of Al-5Ti-1B master alloy and its influence on microstructures and mechanical properties of A356 alloy were investigated. The results show that Al-5Ti-1B master alloy consisted of the uniform distribution of lump-like TiB₂ and network of TiAl₃ on α-Al matrix. The addition of the Al-5Ti-1B master alloy can significantly reduce the grain size of A356 alloy. The mechanical properties of A356 alloy, i.e. ultimate tensile strength, yield strength and elongation were also improved. The use of Al-5Ti-1B master alloy as a grain refiner in the casting process of A356 alloy can effectively enhance the grain refinement and thus improve the mechanical performance of A356 alloy.

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Periodical:

Key Engineering Materials (Volume 803)

Pages:

17-21

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.803.17

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Online since:

May 2019

Authors:

Thee Chowwanonthapunya*, Chaiyawat Peeratatsuwan

Keywords:

A356 Alloy, Grain Refinement, Mechanical Properties, Microstructure

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