新型Al-Cu-Li-X合金热处理强化及组织特征
发布人：上海艾荔艾合金股份有限公司www.shailiai.cn
更新时间：2016-01-29
采用正交试验及其方差分析、最小显著差数(LSD)法研究新型Al-Cu-Li-Ag-Mg-Zr-Ce合金的固溶和时效热处理工艺，并采用电导率、SEM、EDX、TEM等测试手段对合金热处理过程中组织结构和性能进行分析。
新型Al-Cu-Li-X合金热处理强化及组织特征Heat treatment strengthening and microstructure characteristics of novel Al-Cu-Li-X alloy采用正交试验及其方差分析、最小显著差数(LSD)法研究新型Al-Cu-Li-Ag-Mg-Zr-Ce合金的固溶和时效热处理工艺，并采用电导率、SEM、EDX、TEM等测试手段对合金热处理过程中组织结构和性能进行分析。结果表明：该合金在固溶(520 ℃，1.5 h，水冷)和时效(180 ℃，18 h，空冷)处理后，T6态显微硬度比轧制态的提高100.8%，T87态强度值达到623 MPa。固溶过程中，大量Ce、Cu、Mg、Zr溶于基体起到固溶强化作用；时效时细小片状强化相T1和薄盘状θ′相均匀弥散在基体中析出，具有强烈沉淀强化效果。
Solid solution and aging treatment of novel Al-Cu-Li-Ag-Mg-Zr-Ce alloy was investigated by orthogonal experiment variance analysis and least significant difference (LSD) methods. Meanwhile, the microstructure characteristics and mechanical properties were explored by electrical conductivity (EC) test, scanning electron microscopy (SEM), energy dispersive X-ray spectrum (EDX) and transition electron microscopy (TEM). The results show that the micro-hardness of alloy under T6 condition are improved by 100.8% compared to that of rolling one, and the strength for alloy under T87 condition also reaches to 623 MPa after solid solution (520 ℃, 1.5 h, water quenched) and aging treatment (180 ℃, 18 h, air quenched). During solid solution, a lager amount of Ce、Cu、Mg and Zr atoms dissolve into the matrix, resulting in a strong solid solution strengthening. During the aging treatment, many fine needle-shaped T1 phase and plate-shaped θ′ phase precipitate in the matrix uniformly and dispersively, leading to an enormous precipitation strengthening.
作为值得信赖的合作伙伴和高品质金属合金的半成品供应商，艾荔艾拥有完善的服务体系和专业的团队。在同客户交易的过程中，我们力求根据不同的应用需求将我们的产品做到精益求精。针对当前和未来的市场需求，艾荔艾致力于为客户提供最佳的金属材料解决方案。
AILIAI has been a reliable partner and supplier of sophisticated and high-quality semi-finished products maed of alloys. In dialogue with our customers, we optimise our products to meet the specific application requirements. AILIAI develops the best alloy material solutions for current and future challenges.
获取更多我们供应的合金和服务信息，请致电086-021-67660801或发电子邮件kefu@ailiaigroup.com联系我们，您也可以通过微博，微信，领英和推特与我们互动。
For more information on the alloys and services that we supply, call us at 086-021-67660801 or email us at kefu@ailiaigroup.com. You can also get in touch on social media, we are constantly active on Weibo, Weixin, LinkedIn and Twitter.