Fe-Ni 合金中の酸素の浸透性

概要

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Si-killed steel and five kinds of Fe-5∿50%Ni alloys containing small amounts of Mn and Si were internally oxidized in the temperature range between 1000° and 1300℃, and the permeability of oxygen through the alloys were studied. The results obtained were as follows : (1) In the temperature range lower than about 1100℃, both the intergranular permeation and the transgranular permeation of oxygen progressed. The rate of the former was larger than that of the latter. (2) At 1000℃, the rate of the intergranular permeation in the Si-killed steel was smaller than the rates in 5, 15 and 20%Ni alloys. Among the alloys, the permeation rates decreased with increasing the Ni content. (3) In the temperature range higher than about 1100℃, the transgranular permeation was predominant. The permeation rate in the Si-killed steel was larger than the rates in the Fe-Ni alloys. Among the alloys, the permeation rates decreased with increasing the Ni content.
社団法人日本鉄鋼協会の論文
1982-02-01