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- Title
Competing Martensitic, Bainitic, and Pearlitic Transformations in a Hypoeutectoid Ti-5Cu Alloy.
- Authors
Devaraj, A.; Nag, S.; Muddle, B.; Banerjee, R.
- Abstract
This article discusses the competing mechanisms of martensite formation vs eutectoid decomposition via pearlitic or bainitic mechanisms during continuous cooling of a Ti-5 wt pct Cu hypoeutectoid alloy, which falls under the category of active eutectoid systems. Faster cooling rates result in a mixed microstructure of nanoscale bainite consisting of a far-from-equilibrium TiCu phase and martensitic alpha plates, as determined from three-dimensional atom probe (3DAP) coupled with energy-filtered transmission electron microscopy (EFTEM). Slower cooling resulted in near-equilibrium eutectoid-based microstructures.
- Subjects
MARTENSITIC transformations; BAINITIC steel; PEARLITIC steel; TRANSMISSION electron microscopy; MICROSTRUCTURE; METALLOGRAPHY of steel; COPPER-titanium alloys; CHEMICAL decomposition
- Publication
Metallurgical & Materials Transactions. Part A, 2011, Vol 42, Issue 5, p1139
- ISSN
1073-5623
- Publication type
Article
- DOI
10.1007/s11661-011-0656-5