TITANIUM ALLOY MICROSTRUCTURAL REFINEMENT METHOD AND HIGH TEMPERATURE-HIGH STRAIN SUPERPLASTIC FORMING OF TITANIUM ALLOYS

摘要

This invention is a single column - provides a method of refining the microstructure of titanium alloy by mechanical processing steps and wherein the titanium alloy comprises boron. According to one embodiment, the method further comprises the addition of boron to the titanium alloy of boron-containing titanium alloy, and the step of forming a boron-containing comprises the step of imparting the TMP process the titanium alloy. In addition, the present invention includes the steps of selecting a titanium alloy containing boron, determining strain and temperature required to obtain a beta superplasticity, and sufficient temperature and strain the boron-containing titanium alloy is subjected to the boron-containing titanium a step of deforming the alloy into a desired shape. Further, there is provided a titanium alloy member and a method to manufacture the titanium alloy. ;