Kaewka, Weerapol, and Kiatfa Tangchaichit. 2017. “The characterization in the head stack assembly (HSA) during the swaging process: optimization of actuator arm material”. Asia-Pacific Journal of Science and Technology 15 (10):910-18. https://so01.tci-thaijo.org/index.php/APST/article/view/84074.