Shear Localization and its Related Microstructure Mechanism in a Fine- Grain-Sized Near-Beta Ti Alloy
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Release time:2016-04-19 Affiliation of Author(s):Central South University Journal:Journal of Materials Engineering and Performance Place of Publication:us Abstract:Shear localization is an important deformation and failure mechanism for the high strength near beta fine-grain-sized titanium alloy used in aircraft’s gear at high rate deformation. Hat shaped specimens are used to induce the formation of an adiabatic shear band under controlled shock-loading tests. Unstable shear deformation of the alloy emerges after the true flow stress reaches 1147 MPa, the first vibration peak during the split Hopkinson pressure bar testing, and the whole process lasts about 68 microseconds. The microstructures within the shear band in the alloy are investigated by means Co-author:Xiaoyan Wang, Eric Nicholas Hahn, Jieying Sun, B.F. Wang（汪冰峰）* Indexed by:Unit Twenty Basic Research Discipline:材料科学与工程 Document Type:J Volume:24 Issue:1 Page Number:477-483 Translation or Not:no Date of Publication:2015-05-21 -
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