The role of tin and magnesium in assisting liquid phase sintering of aluminum (Al)

International Conference on Advances in Manufacturing and Materials Engineering 2017

机械制造;材料科学

Jamal, Nur Ayuni^1 ; Yusof, Farazila^2 ; Nor, Yusilawati Ahmad^3 ; Othman, Maizatulnisa^1 ; Khalid, Khalisanni^4 ; Zakaria, Muhamad Nazarudin^5,6

Manufacturing and Materials Engineering (MME) Department, Kulliyyah of Engineering, International Islamic University Malaysia, P.O. Box 10, Kuala Lumpur

50728, Malaysia^1

Centre of Advanced Manufacturing and Materials Processing (AMMP), Faculty of Engineering, University Malaya, Kuala Lumpur

50603, Malaysia^2

Biotechnology Engineering Department, Kulliyyah of Engineering, International Islamic University Malaysia, P.O. Box 10, Kuala Lumpur

50728, Malaysia^3

Food and Agriculture Analysis Laboratory Program, Technical Service Centre, Malaysian Agricultural Research and Development Institute (MARDI), Serdang, Selangor

43400, Malaysia^4

Bio-composite Technology Programme, School of Industrial Technology, Faculty of Applied Sciences, University Technology MARA, Selangor

40450, Malaysia^5

Malaysia of Manufacturing and Materials Engineering, International Islamic University Malaysia (IIUM), Jalan Gombak, Shah Alam, Kuala Lumpur

53100, Malaysia^6

关键词: Aluminum (Al);    Combined effect;    Metallurgical bonding;    Oxide layer;    Oxygen content;    Physical characteristics;    Powder metallurgy techniques;    Sintering additives;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/290/1/012008/pdf
DOI  :  10.1088/1757-899X/290/1/012008

学科分类：材料科学（综合）

来源: IOP

【 摘 要 】

This study aims to investigate the effect of tin (Sn) and magnesium (Mg) on the sintering response of sintered Al. Although this topic has been extensively reported, details on the combined effect of Sn and Mg that function as sintering additives are still limited. The current study discusses the effect of the combined use of Sn and Mg to assist aluminium (Al) in liquid phase sintering via the powder metallurgy technique. The results demonstrated that the densities of sintered Al increased from 2.5397 to 2.575 g/cm3as the Sn content increased from 1.5 to 2.5 wt. % respectively. Accordingly, the physical characteristics of sintered Al were transformed from black to silver, which confirmed the reduction in the oxygen content (oxide layer reduction) from 0.58 to 0.44 wt. % respectively. Additionally, the microstructure of the resultant sintered Al demonstrated that effective wetting by Sn addition was obtained at its maximum content of 2.5 wt. % with a greater micro pores reduction and better metallurgical bonding between Al particles. Therefore, the introduction of different Sn content, along with Mg element, was found to further improve the sintering response of the resultant sintered Al that consequently improved its densities and physical characteristics.