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Vol.30, No.1, 98 ~ 104, 1992
Title
Sintering Behavior of Cu - Coated Fe Powder at 97Fe - 3Cu System
양현삼Hyun Sam Yang, 이도재Doh Jae Lee
Abstract
Various 97Fe-3Cu(wt%) sintered specimens were prepared from mechanically mixed powders and Cu coated powders. Cu-coated Fe powders were prepared by electroless platings (reducing and ion exchange method.) The ion exchange method resulted in better coating of Cu on Fe powder than the reducing plating method. The compacts of Cu-coated Fe powder by ion exchange showed the highest sintered density. The tensile strength and hardness of sintered compacts increased by about 10 and 5D%, respectively, when using Cu-coated Fe powder instead of mechanically mixed Fe-Cu powder. The coating of Cu on Fe powder appears therefore to be useful to improve the sinterability and mechanical properties of Fe-Cu base sintered products.
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