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Author:

杜文博 (杜文博.) (Scholars:杜文博) | 吴玉锋 (吴玉锋.) (Scholars:吴玉锋) | 王朝辉 (王朝辉.) (Scholars:王朝辉) | 左铁镛 (左铁镛.) (Scholars:左铁镛)

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incoPat zhihuiya

Abstract:

一种Nd、Sr复合强化耐热镁合金及其制备方法属于合金领域。本发明的 合金其组分和质量百分比为:Al:5.5-6.5%,Sr:1.5-2.5%,Nd:1.5-2.5%,杂 质元素Si≤0.02%,Fe≤0.005%,Cu≤0.015%,Ni≤0.002%,其余为Mg。本发明 的制备工艺为:先将各种合金锭和镁合金熔炼覆盖剂预热,设定坩埚加热温度 后开始加热,先将坩埚内加入一定量的镁合金熔炼覆盖剂,并加入镁锭和铝锭, 合金液升至一定温度后依次加入Mg-Nd中间合金和纯Sr,经搅拌,撇去合金 液表面浮渣及覆盖剂后浇铸于水冷金属模中。本发明获得的合金在175℃温度 条件下,抗拉强度为不低于160MPa,伸长率不低于6.0%;在蠕变温度为175℃, 应力为70MPa条件下的100小时总蠕变量不大于0.2%。

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Patent Info :

Type: 发明授权

Patent No.: CN200710177466.9

Filing Date: 2007-11-16

Publication Date: 2009-08-26

Pub. No.: CN100532604C

Applicants: 北京工业大学

Legal Status: 未缴年费

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: 6

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