微量Mn和Zr对Al-10Mg合金显微组织及性能的影响

范福送; 姜锋; 叶鹏程; 龙梦君; 吴飞飞

doi:10.15980/j.tzzz.2022.07.014

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微量Mn和Zr对Al-10Mg合金显微组织及性能的影响
Effects of Trace Mn and Zr on Microstructure and Properties of Al-10Mg Alloy
2022年42卷第7期页码：859-863
纸质出版日期： 2022 ，
DOI： 10.15980/j.tzzz.2022.07.014

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范福送, 姜锋, 叶鹏程, 等. 微量Mn和Zr对Al-10Mg合金显微组织及性能的影响[J]. 特种铸造及有色合金, 2022,42(7):859-863.

Fan Fusong, Jiang Feng, Ye Pengcheng, et al. Effects of Trace Mn and Zr on Microstructure and Properties of Al-10Mg Alloy[J]. Special Casting & Nonferrous Alloys, 2022,42(7):859-863.
范福送, 姜锋, 叶鹏程, 等. 微量Mn和Zr对Al-10Mg合金显微组织及性能的影响[J]. 特种铸造及有色合金, 2022,42(7):859-863. DOI： 10.15980/j.tzzz.2022.07.014.

Fan Fusong, Jiang Feng, Ye Pengcheng, et al. Effects of Trace Mn and Zr on Microstructure and Properties of Al-10Mg Alloy[J]. Special Casting & Nonferrous Alloys, 2022,42(7):859-863. DOI： 10.15980/j.tzzz.2022.07.014.

摘要

通过在Al-10Mg合金中添加Mn、Zr元素，研究了Mn和Zr微合金化对其微观组织及性能的影响。结果表明，Al-10Mg合金中添加质量分数为0.4%的Mn

其铸态平均晶粒尺寸为108μm

固溶处理(435℃×16 h)后，其抗拉强度、屈服强度和伸长率分别为361 MPa、183 MPa和17.99%。复合添加0.4%的Mn和0.1%的Zr

其铸态平均晶粒尺寸为84μm

固溶处理后，其抗拉强度、屈服强度和伸长率分别为381 MPa、187 MPa和20.00%。

Abstract

The effects of Mn and Zr microalloying on microstructure and properties of Al-10 Mg aluminum alloy were investiagted by adding trace Mn and Zr. The results reveal that the as-cast average grain size of Al-10 Mg alloy with 0.4% Mn reaches 108 μm

and the tensile strength

yield strength and elongation reach up to 361 MPa

183 MPa and 17.99%

respectively

after solution treatment at 435 ℃ for 16 h. With 0.4% Mn and 0.1% Zr addition

the average grain size of the alloy reaches up to 84 μm. After solution treatment

the tensile strength

yield strength and elongation of the alloy reach up to 381 MPa

187 MPa and 20.00%

respectively.