タフライド防止処理材の引張強度と変形能に及ぼす処理時間の影響

概要

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The purpose of this paper was to make an experimental investigation on the influence of tufftriding time on tensile strength and deformability of the anti-tufftride steel. The anti-tufftride steel was examined by means of the structure observation, the tension and the bending tests at the tufftriding times from 5 minutes to 180 minutes. The experimental results are summarized as follows: (1) The compound layer and the diffusion layer in the anti-tufftride steel were initially formed in the solt bath owing to the porosity of film of coating. These formations, however, were not very significant and were not seriously influenced by the tufftriding time or the coating thickness. (2) The influence of tufftriding time on the tensile strength and ductility or deformability in the anti-tufftride steel was remarkably small when compared with the tufftrided steel. The tensile strength and deformability of the 180 minute anti-tufftride steel approximately corresponded to the tufftrided steel treated for 10 minutes.
社団法人日本材料学会の論文
1982-04-15