溶浸を応用した鉄系焼結体の接合(第3報) : 接合強度に及ぼす溶浸温度と溶浸時間の影響

概要

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Influence of infiltration temperature and time upon the mechanical properties of the joined sintered products was studied. The optimum condition for joining by infiltration was 60 min. at 1140°C, or a few min. at 1200°C. In this joining condition, tensile strength was improved by 3 kg/mm<SUP>2</SUP>, and impact value and reduction of area were doubled to the products treated by the previously reported condition of at 1140°C for 30 min.<BR>As an example of application of this joining method, joining of sintered iron compact and wrought metal was carried out. The strength of the joint was superior to that of both the sintered iron compact and wrought metal. As another example, joined hollow products were made successfully by compacting the iron powder within a pre-compacted block.
社団法人粉体粉末冶金協会の論文