Triyono Triyono
Department of Mechanical and Industrial Engineering, Gadjah Mada University, Jl. Grafika No. 2 Yogyakarta 55281, Indonesia
Indonesia

Jamasri Jamasri
Department of Mechanical and Industrial Engineering, Gadjah Mada University, Jl. Grafika No. 2 Yogyakarta 55281, Indonesia
Indonesia

M.N. Ilman
Department of Mechanical and Industrial Engineering, Gadjah Mada University, Jl. Grafika No. 2 Yogyakarta 55281, Indonesia
Indonesia

R. Soekrisno
Department of Mechanical and Industrial Engineering, Gadjah Mada University, Jl. Grafika No. 2 Yogyakarta 55281, Indonesia
Indonesia

Sutiarso Sutiarso
Center for Technology of Nuclear Industry Materials, National Nuclear Energy Agency, Puspiptek Serpong, Tangerang 15314, Indonesia
Indonesia