Equilibration of Plain Carbon and Alloy Steels with Endothermic Carburizing Atmospheres: Part II. Oxidation of Plain Carbon and Armco Steels during Carburizing at 1000 degrees C and 1038 degrees C
- Authors
- Hwang, Jong-Il; Jhee, Tae-Gu; Kim, Young-Kyu; Hwang, Tae-Young
- Issue Date
- Oct-2010
- Publisher
- KOREAN INST METALS MATERIALS
- Keywords
- metals; surface modification; oxidation; activation analysis; carburizing
- Citation
- METALS AND MATERIALS INTERNATIONAL, v.16, no.5, pp.693 - 699
- Journal Title
- METALS AND MATERIALS INTERNATIONAL
- Volume
- 16
- Number
- 5
- Start Page
- 693
- End Page
- 699
- URI
- https://scholarworks.bwise.kr/hongik/handle/2020.sw.hongik/20709
- DOI
- 10.1007/s12540-010-1001-z
- ISSN
- 1598-9623
- Abstract
- Carbon contents by the weight gain of AISI type 1010 steel foils equilibrated with CO-CO(2) mixtures at 1000 degrees C were 0.03 wt.% to 0.07 wt.% higher than those by chemical analysis at carbon potentials of 0.2 wt.% C to 0.7 wt.% C. The lower the carbon potential, the bigger the difference became. This difference of 0.05 wt.% to 0.08 wt.% was also measured when the same materials were equilibrated with CO-CO(2) mixtures at 1038 degrees C at carbon potentials below 0.4 wt.% C. Oxygen analyses of these equilibrated steel foils confirmed that those differences of 0.03 wt.% to 0.07 wt.% and 0.05 wt.% to 0.08 wt.% were mainly due to the selective oxidation of manganese. When Armco steels and type 1010 steels were equilibrated simultaneously with endothermic-base carburizing atmospheres at 1038 degrees C, oxidation was negligible and the carbon contents of the both steels were identical at carbon potentials of 0.2 wt.% C to 1.4 wt.% C.
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