Billets Preparation and Thixo-forging of Semi-solid 2024 Aluminum Alloy

Zhou Heng; Cheng Yuansheng; Yang Yu; Sun Zhenhe

doi:10.15980/j.tzzz.2017.04.003

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Billets Preparation and Thixo-forging of Semi-solid 2024 Aluminum Alloy
Vol. 37, Issue 4, Pages: 358-361(2017)
Published： 2017 ，
DOI： 10.15980/j.tzzz.2017.04.003

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[1]周恒,程远胜,杨宇,孙振贺.2024铝合金半固态坯料制备及触变挤压成形[J].特种铸造及有色合金,2017,37(04):358-361.

Zhou Heng, Cheng Yuansheng, Yang Yu, et al. Billets Preparation and Thixo-forging of Semi-solid 2024 Aluminum Alloy. [J]. Special Casting & Nonferrous Alloys 37(4):358-361(2017)
[1]周恒,程远胜,杨宇,孙振贺.2024铝合金半固态坯料制备及触变挤压成形[J].特种铸造及有色合金,2017,37(04):358-361. DOI： 10.15980/j.tzzz.2017.04.003.

Zhou Heng, Cheng Yuansheng, Yang Yu, et al. Billets Preparation and Thixo-forging of Semi-solid 2024 Aluminum Alloy. [J]. Special Casting & Nonferrous Alloys 37(4):358-361(2017) DOI： 10.15980/j.tzzz.2017.04.003.

摘要

通过对2024铝合金挤压棒材等温热处理

研究了半固态组织形成的机理以及影响因素。利用触变成形工艺成功制备出质量合格的齿轮制件

获得了工业化应用的工艺参数并分析了其影响。结果表明

在挤压温度为625℃、保温10min的条件下可以获得理想的半固态组织

且挤压成形件抗拉强度可以达到290 MPa。

Abstract

Based on the 2024 aluminum alloy extrusion rod isothermal heat treatment

formation mechanism and influence factors of semi-solid microstructure were investigated.The processing parameters for the industrial application were presented by analyzing the gear parts manufactured by the technology.The results reveal that desirable microstructure can be observed at 626 ℃ for 10 min

and the tensile strength reaches 290 MPa.