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Peer-reviewedCC BY-NC-ND 4.0Materials Science: An Indian Journal

Determination of the real global or local carbon contents in a high temperature alloy by using thermodynamic calculations

  • Patrice Berthod
Open at sourcePDFCite

Abstract

Oxidation of the molten bath during oxidation, as well as oxidation in service at high temperature can lead to a global or a local impoverishment of the carbon contained in an alloy. The determination of the carbon content was achieved by using thermodynamic calculations first for a Co(bal.)-Cr-C-Ta alloy elaborated by foundry in a not totally inert atmosphere, and second after oxidation for 50 hours at 1,000°C, 1,100°C and 1,200°C. The association of metallographic quantifications, micro-analysis measurements and calculated results with iterations about the carbon content, allowed to assess the loss of all the elements during casting and to specify the new distribution of carbon in the sub-surface affected by oxidation.

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Cite

BibTeXRIS
BibTeX
@article{berthod2026determination,
  title = {{Determination of the real global or local carbon contents in a high temperature alloy by using thermodynamic calculations}},
  author = {Patrice Berthod},
  journal = {Materials Science: An Indian Journal},
  year = {2026},
  month = nov,
  url = {https://hal.science/hal-05854975v1},
  note = {CC BY-NC-ND 4.0},
}
RIS
TY  - JOUR
TI  - Determination of the real global or local carbon contents in a high temperature alloy by using thermodynamic calculations
AU  - Patrice Berthod
PY  - 2026
DA  - 2026/11/06
JO  - Materials Science: An Indian Journal
UR  - https://hal.science/hal-05854975v1
AB  - Oxidation of the molten bath during oxidation, as well as oxidation in service at high temperature can lead to a global or a local impoverishment of the carbon contained in an alloy. The determination of the carbon content was achieved by using thermodynamic calculations first for a Co(bal.)-Cr-C-Ta alloy elaborated by foundry in a not totally inert atmosphere, and second after oxidation for 50 hours at 1,000°C, 1,100°C and 1,200°C. The association of metallographic quantifications, micro-analysis measurements and calculated results with iterations about the carbon content, allowed to assess the loss of all the elements during casting and to specify the new distribution of carbon in the sub-surface affected by oxidation.
SN  - 0974-7486
ER  -