Quantitative analysis on microstructure-tensile property relationship for Ti-6Al-4V alloy with basket weave structure

It is of great value to establish the microstructure-tensile property relationship for the control and optimization of titanium alloys' properties. Based on quantitative metallography and stereology, the quantitative relationship between microstructure and tensile property for Ti-6Al-4V alloy with basket-weave structure was established using multielement non-linear regression. In this model, the independent variables included thickness and aspect ratio of lamellar α phase, while the dependent variables were strength and ductility of Ti-6Al-4V alloy. The results show that the multiple regression model built in present paper can precisely describe the microstructure- tensile property relationship of Ti-6Al-4V alloy with basket-weave structure, namely the prediction values are consistent with the experimental.