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http://hdl.handle.net/10397/91363
| Title: | Microstructure evolution and mechanical properties of austenite stainless steel with gradient twinned structure by surface mechanical attrition treatment | Authors: | Chen, A Wang, C Jiang, J Ruan, H Lu, J |
Issue Date: | Jun-2021 | Source: | Nanomaterials, June 2021, v. 11, no. 6, 1624 | Abstract: | Gradient structures in engineering materials produce an impressive synergy of strength and plasticity, thereafter, have recently attracted extensive attention in the material families. Gradient structured stainless steels (SS) were prepared by surface mechanical attrition treatment (SMAT) with different impacting velocities. The microstructures of the treated samples are characterized by gradient twin fraction and phase constituents. Quantitative relations of gradient microstructure with impacting time and mechanical properties are analyzed according to the observations of SEM, TEM, XRD, and tests of mechanical property. The processed SSs exhibited to be simultaneously stiff, strong, and ductile, which can be attributed to the co-operation of the different spatial distributions of multi-scaled structures. The formation of gradient twinned structure is resolved and the strengthening by gradient structure is explored. | Keywords: | Austenitic stainless steel Mechanical property Multi-scaled twin Strengthening Surface mechanical attrition treatment |
Publisher: | Molecular Diversity Preservation International (MDPI) | Journal: | Nanomaterials | ISSN: | 2079-4991 | DOI: | 10.3390/nano11061624 | Rights: | © 2021 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https:// creativecommons.org/licenses/by/ 4.0/). The following publication Chen, A.; Wang, C.; Jiang, J.; Ruan, H.; Lu, J. Microstructure Evolution and Mechanical Properties of Austenite Stainless Steel with Gradient Twinned Structure by Surface Mechanical Attrition Treatment. Nanomaterials 2021, 11, 1624 is available at https://doi.org/10.3390/nano11061624 |
| Appears in Collections: | Journal/Magazine Article |
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| File | Description | Size | Format | |
|---|---|---|---|---|
| nanomaterials-11-01624.pdf | 6.15 MB | Adobe PDF | View/Open |
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