Maashaa, Dovchinvanchig, and Baasanjargal Narmandakh. “The The Effect of Ultrasonic Activation on the Microstructure and Phase Transformation of Porous Ni-Ti Shape Memory Alloys”. Scientific transaction of the National University of Mongolia. Physics 36, no. 605 (November 21, 2024): 12–17. Accessed January 14, 2025. https://journal.num.edu.mn/physics/article/view/9334.