( Northwest Institute for Nonferrous Metal Research, Xi’an 710016, China)
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DOI:
10.7502/j.issn.1674-3962.2016.10.06
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Abstract:
In order to study the influence of usual beta elements Mo, V, Cr in titanium alloy on alloying effect of beta phase, a series of binary beta titanium alloys such as TiMo,TiV and TiCr were designed and prepared. The microstructure, hardness and room temperature tensile property of beta titanium alloys containing single beta element were tested. Results showed that: With the increase of the content of beta alloying elements, the lattice constant and grain size of all binary alloys decrease; the element Cr has the most strongly reduced lattice constant effect, while the effect of element Mo on grain refinement is most notable; The tensile strength and hardness of β phase of TixV and TixCr alloys firstly decrease, then increase with the content of beta elements increasing, and the tensile strength of β phase of TixMo alloy increases linearly; The strengthening effect of element Cr for beta phase is higher than that of Mo and V.