鉄-クロム焼結合金における有機金属錯体の添加効果

概要

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Alloy powder particles of Fe-13Cr ferritic steel (sus 410) were coated with organometallic complex and with titanium alkoxide each in 3%. Fine particle carbide or oxide, as a thermal decomposition product, was thus dispersed uniformly, to give a dispersion-strengthened ferritic steel. These materials developed were compared with a sintered Fe-13Cr alloy and a Fe-13Cr alloy added 3% comercial TiO<SUB>2</SUB> powder. The materials coated with organometallic complex and with alkoxide at room temperature and 600°C are higher in strength than the Fe-13Cr. While in the material added 3% titanium acetylacetynate as an organometallic complex in particular, not only the strength but also the elongation is increased. They were electron irradiated to 13 dpa at 400-450°C using an ultra-high voltage electron microscope. No void was observed.
社団法人粉体粉末冶金協会の論文