Wangyao, Panyawat, Viyaporn Krongtong, Pongsak Tuengsook, Weerasak Hormkrajai, and Nurot Panich. 2017. “The Relationship Between Reheat-Treatment and Hardness Behaviour of Cast Nickel Superalloy, GTD-111”. Journal of Metals, Materials and Minerals 16 (1). Bangkok, Thailand. https://jmmm.material.chula.ac.th/index.php/jmmm/article/view/253.