Bibliographic Details
| Title: |
Carbon partitioning and microstructure evolution during tempering of an Fe-Ni-C steel. |
| Authors: |
Harding, I.1 (AUTHOR), Mouton, I.1 (AUTHOR), Gault, B.1 (AUTHOR), Raabe, D.1 (AUTHOR), Kumar, K.S.1 (AUTHOR) Sharvan_Kumar@brown.edu |
| Source: |
Scripta Materialia. Nov2019, Vol. 172, p38-42. 5p. |
| Subjects: |
Steel, Atom-probe tomography |
| Abstract: |
Partitioning of C during tempering of quenched Fe-9.6Ni-0.5C-0.6Mn-0.6Mo-0.7Cr-0.1V (at.%) steel is determined by atom probe tomography and the resulting microstructure is described. The precipitated austenite size, together with its C and Ni content control its thermal stability and these can vary differently with tempering time and temperature. Thus, both austenite and strong carbide formers compete for the available C early in the process. Due to widely different transport kinetics, C likely plays a dominant role early but is either fully consumed or its role diminishes by dilution, and Ni partitioning eventually takes over as the austenite stability-controlling species. Unlabelled Image [ABSTRACT FROM AUTHOR] |
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| Database: |
Engineering Source |
