Failure Analysis of NbVC Coating Formation onto AISI D2 Tool Steel during Thermo Reactive Diffusion by Pack Method - Khamda, Izdada Rotaal; Departemen Teknik Mesin Institut Teknologi Sepuluh Nopember (Lembaga Penelitian dan Pengabdian Kepada Masyarakat (LPPM), ITS, 2019)