陈增奎,周卫卫,范新中,等.7055 高强铝合金大型环件轧制技术研究[J].精密成形工程,2016,8(4):16-20.
CHEN Zeng-kui,ZHOU Wei-wei,FAN Xin-zhong,et al.Rolling Process of 7055 Aluminum Alloy large Annulus of High Strength[J].Journal of Netshape Forming Engineering,2016,8(4):16-20. |
| 7055 高强铝合金大型环件轧制技术研究 |
| Rolling Process of 7055 Aluminum Alloy large Annulus of High Strength |
| 投稿时间：2016-05-24 修订日期：2016-07-10 |
| DOI：10.3969/j.issn.1674-6457.2016.04.003 |
| 中文关键词: 7055 铝合金 大型环件 轧制 显微组织 力学性能 |
| 英文关键词: 7055 aluminum alloy large annulus rolling grain microstructure mechanical performance |
| 基金项目:“十二五”总装预研课题（513180403） |
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| 中文摘要: |
| 目的 获得 7055 高强铝合金大型整体构件。 方法 开展了 7055 高强铝合金大型环件轧制技术研究，制定了 7055 高强铝合金环件轧制温度、轧制压缩比等工艺参数，制备了轧制试验坯料，对轧制后的大型环件进行了固溶时效强化热处理，并分析了显微组织和力学性能。 结果 通过研究，最终获得了切向、径向、轴向三向的抗拉强度均高于 580 MPa，伸长率均大于 8%， 尺寸规格为 Φ2000 mm 级的7055 高强铝合金大型环件。 结论 成功获得了满足研制需求的 7055 高强铝合金大型整体构件。 |
| 英文摘要: |
| To obtain high-strength large unitary product of 7055 aluminum alloy, a study was carried out on the rolling process of high-strength 7055 aluminum alloy large annulus. It designed technological parameters for 7055 aluminum alloy large annulus like rolling temperature and compression ratio, prepared test blanks, conducted soluted-aged technique thermal treatment for the rolled large annulus, and also analyzed grain microstructure and mechanical property. The 7055 aluminum alloy large annulus got the annular orientation, axis orientation, diametral orientation tensile strength of over 580 MPa, elongation of over 8%, and the diameter of Φ2000 mm. The study realizes the application of high-strength large unitary product of 7055 aluminum alloy that meets development requirement. |
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