日本金属学会誌

J. Japan Inst. Metals, Vol. 19, No. 10 (1955),
pp. 616-619

Applications of Radioautography to Metallurgy (1st Report). Study on the Behaviour of Iron in Aluminium of High Purity by the Use of Fe-59

Masao Kato and Masatoshi Kobayashi


Abstract:

By means of stripping emulsion method of radioautography, a study on the behaviour of iron in aluminium of four nine purity was carried out. The alloy was prepared so as to contain 0.064% iron tagged with mixed radioisotopes Fe-59 and Fe-55, the content of which was determined by radiochemical analysis. On the cast form cooled rapidly the greater part of iron was segregated in dendrites, whose structure was difficult to diffuse by solution heat-treatment (600°,4 hours), and the alloy cold-rolled about 20% revealed a V-shaped slipping pattern. On a rolled structure iron partially dissolved in matrix by solution heat-treatment. It was proved that radioautography was a powerful technique for researches on alloys.


(Received 1955/3/29)

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