ガスクロマトグラフによる合金鋼粉末のガス放出挙動の測定とその熱力学的解析
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ABSTRACT<BR>Gas release behavior of alloyed steel powder during sintering process was analyzed by gas chromatography. In our previous paper, gas release behaviors of Fe powder, Fe – 3 % Cr powder, Fe – 4 % Ni powder and Fe – Cr – Ni powder were investigated. From the investigation, it was found that Cr component in the alloyed steel powder reduced CO2 gas release, and that Ni component increased H2O gas release from the alloyed steel powder. However, since there were too few experimental data, it was lacking in reliability of the experimental result. Therefore, gas release behaviors of Fe powder, Fe – 1.5 % Cr powder, Fe – 2 % Ni powder and Fe – 1.5 % Mo powder were measured in this paper. The gas release behaviors of Fe – 1.5 % Cr powder, Fe – 2 % Ni powder and Fe – 1.5 % Mo powder were similar to them of Fe – 3 % Cr powder, Fe – 4 % Ni powder and Fe powder respectively. In Fe – 1.5 % Cr powder, the Cr component reduced CO2 gas release, and in Fe – 2 % Ni powder, the Ni component increased H2O gas release. Therefore, the effect of the alloy component against the gas release behavior was cleared from the present investigation. Additionally, thermodynamic analysis was attempted for the CO2 release behavior of Fe powder.
- 一般社団法人 粉体粉末冶金協会の論文
一般社団法人 粉体粉末冶金協会 | 論文
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