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機(jī)械合金化方法制備銀鎳觸頭合金的研究
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TM503.5 TM241

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國(guó)家自然科學(xué)基金項(xiàng)目資助(50071043)


Preparation of Silver-Nickel Conta ct Materials by Mechanical Alloying
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    摘要:

    采用機(jī)械合金化和熱壓方法制備Ag90Ni10及Ag70Ni30觸頭合金。機(jī)械合金化過(guò)程中形成Ni固溶于Ag基體的過(guò)飽和固溶體，熱壓時(shí)從銀固溶體基體上析出彌散細(xì)小的鎳強(qiáng)化相。與傳統(tǒng)粉末冶金相比，組織更為彌散、細(xì)小、均勻。

    Abstract:

    Ag 90 Ni 10 and Ag 70 Ni 30 alloys were prepared by mechanical a lloying(MA)and hot-pressing(HP)techniques.About 10wt%nickel dissolved in silver matrix during MA,which formed over saturation solut ion.In the HP process,the fine solut ion precipitates and dispersive nickel particles were deposited as s trengthening phrase.The final microstructure consists of finer and more dispersive nickel particles in sil ver matrix than that of conventional pow der-metallurgy AgNi contacts.

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羅群芳 劉麗琴 王亞平 丁秉鈞.機(jī)械合金化方法制備銀鎳觸頭合金的研究[J].稀有金屬材料與工程,2003,(4):298~300.[Luo Qunfang, Liu Liqin, Wang Yaping, Ding Bingjun. Preparation of Silver-Nickel Conta ct Materials by Mechanical Alloying[J]. Rare Metal Materials and Engineering,2003,(4):298~300.]
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  • 最后修改日期:2001-06-11
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