Characterization of Nano-Sized Precipitates in a Mn-Based Lean Maraging Steel by Atom Probe Tomography
We present atom probe tomography results of a precipitation-hardened Mn-based maraging steel (9 Mn, 1.9 Ni, 0.6 Mo, 1.1 Ti, 0.33 Al; in at.%). The alloy is characterized by the surprising effect that both, strength and total elongation increase upon aging. The material reveals a high ultimate tensile strength (UTS) up to 1 GPa and good ductility (total elongation (TE) of up to 15% in a tensile test) depending on aging conditions. We map the evolution of the precipitates after 450 degrees C aging treatment using atom probe tomography in terms of chemical composition and size distribution
- Publisher
- WILEY-V C H VERLAG GMBH
- Issue Date
- 2011-02
- Language
- English
- Article Type
- Article
- Keywords
MICROSTRUCTURAL EVOLUTION; BAINITE TRANSFORMATION; STAINLESS-STEEL; TRIP-STEELS; MICROSCOPY; SILICON; SUBSTITUTION; DUCTILITY; MODEL; SCALE
- Citation
STEEL RESEARCH INTERNATIONAL, v.82, no.2, pp.137 - 145
- ISSN
- 1611-3683
- Appears in Collection
- MS-Journal Papers(저널논문)
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