A study of the microstructure and hardness of two titanium alloys: Commercially pure and Ti–6Al–4V |
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| Authors: | N. Poondla T.S. Srivatsan A. Patnaik M. Petraroli |
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| Affiliation: | aDepartment of Civil Engineering, The University of Akron, Akron, OH 44325, USA;bDepartment of Mechanical Engineering, The University of Akron, Akron, OH 44325, USA;cDivision of Research, The TIMKEN Company, Canton, OH 44706-0930, USA |
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| Abstract: | In this paper, the microstructure and hardness of two titanium alloys was determined and the results are presented and briefly discussed. Samples of the alloy for microstructural examination were prepared from the as-provided stock using standard metallographic procedures and then examined in a low magnification light optical microscope. Both microhardness and macrohardness measurements were made across the polished surfaces of the two titanium materials. Both the microhardness and macrohardness of the Ti–6Al–4V alloy was noticeably higher than the commercially pure counterpart. The intrinsic influence of alloy composition and secondary processing, i.e., annealing, on microstructural development is presented and hardness of the two alloys is highlighted. The role of microstructure in governing the hardness of the two titanium materials is discussed. |
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| Keywords: | Titanium alloy Microstructure Microhardness Macrohardness |
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