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Jiangxi Nonferrous Metals Society
ISSN：1674-9669
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CODEN YJKYA9
Volume 13 Issue 2
Apr.  2022
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QUAN Yongqi, CHENG Hanming, WANG Herui, ZHAO Yao, LIN Gaoyong. Effects of heat treatment on the microstructure and mechanical properties of die casting AlSi10MnMg alloy[J]. Nonferrous Metals Science and Engineering, 2022, 13(2): 98-106. DOI: 10.13264/j.cnki.ysjskx.2022.02.014
Citation: QUAN Yongqi, CHENG Hanming, WANG Herui, ZHAO Yao, LIN Gaoyong. Effects of heat treatment on the microstructure and mechanical properties of die casting AlSi10MnMg alloy[J]. Nonferrous Metals Science and Engineering, 2022, 13(2): 98-106. DOI: 10.13264/j.cnki.ysjskx.2022.02.014
shu

Effects of heat treatment on the microstructure and mechanical properties of die casting AlSi10MnMg alloy

  • 1.

    School of Materials Science and Engineering, Central South University, Changsha 410083, China

  • 2.

    Jiangsu Nantong Hongjin Metal Aluminum Co., Ltd., Nantong 226000, Jiangsu, China

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  • Received Date: July 21, 2021
  • Revised Date: September 12, 2021
  • Available Online: May 09, 2022
    Graphical Abstract
    • Abstract
  • When nonvacuum die-casting AlSi10MnMg alloy samples developed by a domestic company were taken as the experimental objects, the effects of heat treatment on the microstructure and mechanical properties of the alloy were investigated. The results showed that the comprehensive performance of nonvacuum die castings decreased after high temperature solution-quenching-artificial aging treatment, and distortion and blistering were prone to occur in the castings. When the die-casting specimens were treated by low-temperature aging only, their yield strength and tensile strength reached 251.8 MPa and 327.1 MPa, respectively, which were 42.6% and 10.5% higher than those of the die-cast specimens, and the elongation after fracture decreased. The main strengthening phases that precipitated in the alloy after low-temperature aging treatments were the Mn6Si and Mg2Si phases.
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    • References (22)
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