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Author:

荣莉 (荣莉.) | 聂祚仁 (聂祚仁.) (Scholars:聂祚仁)

Indexed by:

incoPat zhihuiya

Abstract:

一种高强度镁合金丝的旋锻制备方法,属于有色金属塑性成型技术领域。将作为坯料的镁合金棒材在120~200℃保温1~15min,用旋锻机专用夹具将该棒材夹紧进行旋锻。完成后,换上孔径更细的旋锻模重复上述步骤,直到得到所需直径的镁合金丝。旋锻过程中控制送料速度在6~10m/min,道次压缩率18~45%,旋锻模圆锥角在10°~26°间。本发明利用旋锻提供的三向压应力状态及脉冲加载方式,实现塑性变形诱导弥散强化相析出及晶粒细化,达到提高力学性能的目的。所制备的镁合金丝性能优良,屈服强度比挤压制备的镁合金丝高25~53%,抗拉强度高18~23%。该方法不需专门在线保温装置,设备简单,生产效率高,操作简便。

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Patent Info :

Type: 发明授权

Patent No.: CN201010034170.3

Filing Date: 2010-01-15

Publication Date: 2011-05-11

Pub. No.: CN101745592B

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: 1

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