Noipitak M, Khwansri B. Improvement of acoustoelastic coefficient for residual stress measurement by ultrasonic in low carbon steel. Eng Appl Sci Res [Internet]. 2016 Nov. 2 [cited 2024 May 17];43:263-6. Available from: https://ph01.tci-thaijo.org/index.php/easr/article/view/70206