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  Fatigue Resistance of Laminated and Non-laminated TRIP-maraging Steels: Crack Roughness vs Tensile Strength

Zhang, Z., Koyama, M., Wang, M., Tasan, C. C., & Noguchi, H. (2019). Fatigue Resistance of Laminated and Non-laminated TRIP-maraging Steels: Crack Roughness vs Tensile Strength. Metallurgical and Materials Transactions A, 50(3), 1142-1145. doi:10.1007/s11661-018-5081-6.

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 Creators:
Zhang, Zhao1, Author              
Koyama, Motomichi1, Author              
Wang, Meimei2, Author              
Tasan, Cemal Cem3, Author              
Noguchi, Hiroshi1, Author              
Affiliations:
1Department of Mechanical Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan, ou_persistent22              
2Adaptive Structural Materials (Experiment), Microstructure Physics and Alloy Design, Max-Planck-Institut für Eisenforschung GmbH, Max Planck Society, ou_1863382              
3Department of Materials Science and Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA 02139, USA, ou_persistent22              

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Free keywords: Cold rolling; Cracks; Fatigue testing; High strength steel; Laminating; Maraging steel; Plasticity; Tensile strength, Fatigue cracks; Fatigue strength; Microstructural morphology; Stress amplitudes; Stress ratio; Transformation induced plasticity, Fatigue of materials
 Abstract: Pre-cold-rolling before annealing in transformation-induced plasticity (TRIP) maraging steels changes the microstructural morphology from lamellar to granular, increasing the tensile strength. However, fatigue tests of plain specimens at ambient temperature and the stress ratio − 1 show that increased strength does not improve the fatigue strength compared to laminated TRIP-maraging steel, irrespective of stress amplitude. The disappearance of fatigue crack roughness suppresses the improvement in fatigue resistance with increasing strength. © 2019, The Minerals, Metals Materials Society and ASM International.

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Language(s): eng - English
 Dates: 2019-01-01
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1007/s11661-018-5081-6
 Degree: -

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Title: Metallurgical and Materials Transactions A
  Abbreviation : Metall. Mater. Trans. A - Phys. Metall. Mater. Sci.
Source Genre: Journal
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Publ. Info: New York, NY : Springer Sciences & Business Media
Pages: - Volume / Issue: 50 (3) Sequence Number: - Start / End Page: 1142 - 1145 Identifier: ISSN: 1073-5623
CoNE: https://pure.mpg.de/cone/journals/resource/954928569608