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Author:

高坤元 (高坤元.) (Scholars:高坤元) | 郭姗姗 (郭姗姗.) | 聂祚仁 (聂祚仁.) (Scholars:聂祚仁) | 丁宇升 (丁宇升.) | 文胜平 (文胜平.) | 黄晖 (黄晖.) (Scholars:黄晖) | 吴晓蓝 (吴晓蓝.)

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incoPat zhihuiya

Abstract:

一种Sc、Zr复合微合金化的Al‑6Mg‑0.4Mn合金的双级均匀化退火工艺,属于有色金属技术领域。Sc、Zr复合微合金化的Al‑6Mg‑0.4Mn合金各组分的质量百分含量分别为Mg5.5%~6.5%,Mn0.4%~0.5%,Zr0.1%~0.15%,Sc0.04%~0.1%不可避免杂质含量<0.4%,余量为Al,步骤为:Sc、Zr复合微合金化的Al‑6Mg‑0.4Mn合金经300‑350℃(3‑12h)低温析出退火后,再进行475±10℃(3‑24h)高温均匀化退火。该工艺通过双级均匀化处理达到均匀化目的的同时,也使得第二相粒子弥散析出,力学性能提高,且这些粒子钉扎位错和亚晶界的运动,提高再结晶温度,为后续的稳定化退火奠定基础。

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Reprint Author's Address:

  • 高坤元 聂祚仁 黄晖

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Patent Info :

Type: 发明授权

Patent No.: CN201510488050.3

Filing Date: 2015-08-10

Publication Date: 2017-10-31

Pub. No.: CN105200361B

Applicants: 北京工业大学

Legal Status: 授权

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 7

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