Please use this identifier to cite or link to this item:
http://hdl.handle.net/10397/68765
DC Field | Value | Language |
---|---|---|
dc.contributor | Department of Mechanical Engineering | en_US |
dc.creator | Wan, J | en_US |
dc.creator | Ruan, H | en_US |
dc.creator | Shi, S | en_US |
dc.date.accessioned | 2017-09-28T04:10:57Z | - |
dc.date.available | 2017-09-28T04:10:57Z | - |
dc.identifier.issn | 0921-5093 | en_US |
dc.identifier.uri | http://hdl.handle.net/10397/68765 | - |
dc.language.iso | en | en_US |
dc.publisher | Elsevier | en_US |
dc.rights | © 2017 Elsevier B.V. All rights reserved | en_US |
dc.rights | © 2017. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/. | en_US |
dc.rights | The following publication Wan, J., Ruan, H., & Shi, S. (2017). Excellent combination of strength and ductility in 15Cr-2Ni duplex stainless steel based on ultrafine-grained austenite phase. Materials Science and Engineering: A, 690, 96-103 is available at https://doi.org/10.1016/j.msea.2017.02.056 | en_US |
dc.subject | Duplex stainless steel | en_US |
dc.subject | Plastic deformation | en_US |
dc.subject | Thermodynamics and kinetics of processes in materials | en_US |
dc.subject | Mechanical property | en_US |
dc.subject | Bimodal size microstructure | en_US |
dc.title | Excellent combination of strength and ductility in 15Cr-2Ni duplex stainless steel based on ultrafine-grained austenite phase | en_US |
dc.type | Journal/Magazine Article | en_US |
dc.identifier.spage | 96 | en_US |
dc.identifier.epage | 103 | en_US |
dc.identifier.volume | 690 | en_US |
dc.identifier.doi | 10.1016/j.msea.2017.02.056 | en_US |
dcterms.abstract | The room-temperature duplex structure of duplex stainless steel is always metastable, which suggests that non equilibrium phase transformation can be further exploited for producing duplex stainless steel having the same chemical compositions and phase constitution but different microstructures. This work uses rapid solidification obtained duplex stainless steel to expand heat-treatment temperature range for achieving 50/50 duplex structure. Research shows an equilibrium state for the phase constitution of duplex stainless steel after sufficiently long time annealing, and establishes the non-equilibrium kinetics diagram of ferrite-to-austenite transition in cold-rolled duplex stainless steel. It is then shown that the duplex stainless steel with about 50% austenite phase can be prepared using different non-equilibrium thermal process, of which the yield strength and elongation vary in the ranges of 306-499 MPa and 20-33%, respectively. The sample, which exhibits the best combination of yield strength (371 MPa) and elongation (33%), is attributed to the bimodal distribution of austenite grain size. | en_US |
dcterms.accessRights | open access | en_US |
dcterms.bibliographicCitation | Materials science & engineering. A, structural materials : properties, microstructure and processing, 6 Apr. 2017, v. 690, p. 96-103 | en_US |
dcterms.isPartOf | Materials science & engineering. A, structural materials : properties, microstructure and processing | en_US |
dcterms.issued | 2017-04-06 | - |
dc.identifier.isi | WOS:000399511400012 | - |
dc.identifier.scopus | 2-s2.0-85014110490 | - |
dc.identifier.ros | 2016000450 | - |
dc.source.type | Article | - |
dc.identifier.eissn | 1873-4936 | en_US |
dc.description.validate | 202207 bcvc | en_US |
dc.description.oa | Accepted Manuscript | en_US |
dc.identifier.FolderNumber | ME-0812 | - |
dc.description.fundingSource | RGC | en_US |
dc.description.fundingSource | Others | en_US |
dc.description.fundingText | The Hong Kong Polytechnic University | en_US |
dc.description.pubStatus | Published | en_US |
dc.identifier.OPUS | 6727200 | - |
Appears in Collections: | Journal/Magazine Article |
Files in This Item:
File | Description | Size | Format | |
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Wan_Excellent_Combination_Strength.pdf | Pre-Published version | 3.12 MB | Adobe PDF | View/Open |
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