Al-Sr变质剂对Al-18Mg2Si合金微观组织和力学性能的影响

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Abstract The Effect of different content Al-Sr modifier microstructure and property of Al-18Mg2Si alloys are investigated. The results show that the size of Mg2Si phase decreases with increasing Al-Sr modifier content, and the variation between cross linking Mg2Si and square Mg2Si is found. But the change is only the morphology, size and distribution, and the phase structure is still Al, Mg2Si without variations. After Al-Sr modification, the hardness, strength and elongation are better than that of property value in literature. When the content of modifer is 0.2%, the strength is highest; when the content of modifer is 0.6%, the elongation is highest.

Key words： Al-Sr modifier Al-18Mg2Si alloys microstructure property

Received: 10 January 2014 Published: 28 April 2014

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	Articles by authors
	ZHAO Rong-Da
	ZHAO Xing-Ming
	HE Li-Jia
	ZHANG Guang-An
	QI Jin-Gang

Cite this article:

ZHAO Rong-Da,ZHAO Xing-Ming,HE Li-Jia, et al. Effect of Al-Sr Modifier on Microstructure and Property of Al-18Mg2Si Alloys[J]. , 2014, 21(2): 12-25.

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http://edit.chinamet.cn/Jweb_jsgncl/EN/ OR http://edit.chinamet.cn/Jweb_jsgncl/EN/Y2014/V21/I2/12

[1]	艾秀兰，李英民. 稀土元素对A1-Mg2Si合金组织及性能的影响[J]. 铸造, 2005, 54(3)238-245.
[2]	J. ZHANG, Z. FAN, Y. Q. WANG, B. L. ZHOU. Effect of cooling rate on the microstructure of hypereutectic Al-Mg2Si alloys[J]. JOURNAL OF MATERIALS SCIENCE LETTERS,2000, 19(2) 1825-1828.
[3]	Daisuke Shimosaka, Shinji Kumai, Federico Casarotto and Shuichiro Watanabe. Effect of Cooling Rates during Solidification of Al-5.5%Mg-2.3%Si-0.6%Mn and Al-13%Mg2Si Pseudo-Binary Alloys on Their Secondary-Particle Morphologyand Tear Toughness[J]. Materials Transactions,2011,52(5)920-927.
[6]	武晓峰，王喆. Nd 对过共晶Al-18Mg2Si 合金组织、力学性能及变形行为的影响[J]. 辽宁工业大学学报(自然科学版),2012,32(4)241-246.
[7]	李英民, 于跃, 任玉艳.电磁搅拌对A-l 18Mg2Si合金组织与性能的影响[J]. 沈阳工业大学学报，2009,31（3）281-285.
[4]	王琳，杨欢庆. 减少铸造Al- Si 合金Sr变质潜伏时间工艺研究[J].火箭推进，2013,39（1）59-64.
[5]	TANG Shou．qiu，ZHOU Ji—xue，TIAN Chang．wen，YANG Yuan—shen. Morphology modification of Mg2Si by Sr addition in Mg-4％Si alloy[J]. Trans．Nonferrous Met．Soc．China 21(201 1)1932-1936.