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http://hdl.handle.net/10397/6928
Title: | Deformation-induced ambient temperature α-to-β phase transition and nanocrystallization in (α + β) titanium alloy | Authors: | Han, Y Zhuang, H Lu, J |
Issue Date: | Nov-2009 | Source: | Journal of materials research, Nov 2009, v. 24, no. 11, p. 3439-3445 | Abstract: | Ambient temperature α-to-β phase transition and nanocrystallization in the aged Ti–25Nb–3Mo–3Zr–2Sn titanium alloy was achieved by surface mechanical attrition treatment (SMAT). The phase transition occurs at α/β interfaces and extends to α phase interiors with increasing strain. It is irreversible and diffusion controlled. The stress-induced increase of Gibbs energy and enrichment of Nb may cause a high order of lattice instability of the α phase adjacent to the α/β interfaces and compel the α phase to β phase. The presence of fine α needles in the aged alloy and the phase transition from α to β with increasing strain are viewed to play a crucial role in the subsequent nanostructuring. | Keywords: | Nanostructure Phase transformation Ti |
Publisher: | Cambridge University Press | Journal: | Journal of materials research | ISSN: | 0884-2914 | EISSN: | 2044-5326 | DOI: | 10.1557/jmr.2009.0420 | Rights: | © 2009 Materials Research Society The following article "Yong Han, Huaye Zhuang and Jian Lu (2009). Deformation-induced ambient temperature α-to-β phase transition and nanocrystallization in (α + β) titanium alloy. Journal of Materials Research, 24(11), pp 3439-3445. doi:10.1557/jmr.2009.0420." is available at http://journals.cambridge.org/action/displayAbstract?fromPage=online&aid=7950261 |
Appears in Collections: | Journal/Magazine Article |
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Han_Deformation-induced_Ambient_Temperature.pdf | 1.47 MB | Adobe PDF | View/Open |
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