Preparation of Silver-Nickel Conta ct Materials by Mechanical Alloying
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TM503.5 TM241
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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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[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.] DOI：[doi]