铝合金中的Sn微合金化:强化作用及机制<sup>*</sup>

doi:10.11896/j.issn.1005-023X.2017.09.017

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Abstract Microalloying is an effective method to improve the properties of aluminum alloys. Sn is one of the most potential microalloying elements in aluminum alloy, which can significant improve the properties of these alloys. Addition of Sn can distinctly impact the aging precipitation in aluminum alloys due to its low solubility and high diffusivity in matrix and the strong interaction energy with vacancy. This paper introduces the influence of Sn addition on the microstructure and the mechanical properties of the heat-treatable aluminum alloys, and the mechanism of Sn addition on the precipitation is discussed. Besides, the problems and research directions are pointed out.

Key words： heat-treatable aluminum alloys Sn microalloying aging precipitation

Published: 03 May 2018

CLC number:

TG146.2+1

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	Articles by authors
	JIA Zhihong
	WENG Yaoyao
	DING Lipeng
	CHENG Tao
	LIU Yingying
	LIU Qing

Cite this article:

JIA Zhihong,WENG Yaoyao,DING Lipeng, et al. Sn Microalloying for Aluminum Alloys: Strengthening Effects and Mechanisms[J]. Materials Reports, 2017, 31(9): 123-127.

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http://www.mater-rep.com/EN/10.11896/j.issn.1005-023X.2017.09.017 OR http://www.mater-rep.com/EN/Y2017/V31/I9/123

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