Discussion on static Poisson's ratio testing technology at elevated temperature
This article mainly introduced a high-temperature static Poisson's ratio test method using mechanical axial and transverse extensometers through axial tension.Compared to traditional high-temperature static Poisson's ratio measurement methods,the proposed method had the advantages of more convenient,low-cost,and intuitive displacement measurement.The static Poisson's ratio tests of various materials were conducted at room and high temperatures.Moreover,the data were compared with dynamic Poisson's ratio data under the same conditions.The results showed that for GH49,316L,GH4720Li,and K6509 materials,there is a certain numerical difference between high-temperature dynamic Poisson's ratio and static Poisson's ratio,and even under temperature changes,the trend of change does not show correlation.
axial stretching methodstatic Poisson's ratio at elevated temperaturedynamic Poisson's ratio at elevated tem-perature
万方数据
维普
