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The Investigation on Aluminium Alloys Automobile Wheel with Low-Titanium Content Produced by Electrolysis

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Abstract:

The in-situ Ti alloying of aluminium alloys was fulfilled by electrolysis, and the material was made into A356 alloy and used in automobile wheels. The results show that the grains of the A356 alloy was refined and the second dendrites arm was shortened due to the in-situ Ti alloying. Trough 3-hour solution treatment and 2-hour aging treatment for the A356 alloy, the microstructures were homogeneous, and Si particles were spheroid and distribute in the matrix fully. The outstanding mechanical properties with tensile strength (σb≥300Mpa) and elongation values (δ≥10%) have been obtained because the heat treatment was optimized. Compared with the traditional materials, tensile strength and elongation were increased by 7.6~14.1% and 7.4~44.3% respectively. The qualities of the automobile wheels were improved remarkably.

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Periodical:

Materials Science Forum (Volumes 475-479)

Pages:

317-320

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.475-479.317

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Online since:

January 2005

Authors:

Jing Pei Xie, Ji Wen Li, Zhong Xia Liu, Ai Qin Wang, Yong Gang Weng, Tian Fu Song, Zhi Yong Liu, Jie Fang Wang

Keywords:

A356 Aluminum Alloy, Aluminium Alloy, Aluminium with Low-Titanium, Automobile Wheels, Electrolysis

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© 2005 Trans Tech Publications Ltd. All Rights Reserved

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References

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