Effects of MC-Type Carbide Forming and Graphitizing Elements on Thermal Fatigue Behavior of Indefinite Chilled Cast Iron Rolls

Godwin Kwame Ahiale, Won Doo Choi, Yongchan Suh, Young Kook Lee, Yong Jun Oh

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)

Abstract

The thermal fatigue behavior of indefinite chilled cast iron rolls with various V+Nb contents and Si/Cr ratios was evaluated. Increasing the ratio of Si/Cr prolonged the life of the rolls by reducing brittle cementites. Higher V+Nb addition also increased the life through the formation of carbides that refined and toughened the martensite matrix and reduced the thermal expansion mismatch in the microstructure.

Original languageEnglish
Pages (from-to)4819-4827
Number of pages9
JournalMetallurgical and Materials Transactions A: Physical Metallurgy and Materials Science
Volume46
Issue number11
DOIs
Publication statusPublished - 2015 Nov 1

Bibliographical note

Funding Information:
This research was supported by National R&D Program funded by the Ministry of Knowledge Economy (10036950).

Publisher Copyright:
© 2015, The Minerals, Metals & Materials Society and ASM International.

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Mechanics of Materials
  • Metals and Alloys

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