Master Mix法によるFe-P系焼結合金の伸びの改善

概要

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Producing Fe-P sintered alloy by means of master mix method was attemped.<BR>The results obtained are follows;<BR>1) The maximum point appears at the effect of P on the sintering vs. admixed weight of the master mix owing to complex of two factors; P content in the master mix and the interface area between Fe powders (matrix) and master mix.<BR>2) In this master mix method, as the diffusion of P is very fast, eutectic liquid is not generated during sintering process, so that pores in the structures are extremely spherodized by solid a phase sintering.<BR>3) Elongation of sintered compacts is extremely improved by this master mix method, and it is because of the pore structure that fine spherodized pores are homogeneously distributed.
社団法人粉体粉末冶金協会の論文