In this paper, the critical pressure Pcrit and impeding pressure Pirnpe of the elemental evaporation were defined and studied based on the calculation of the re
We develop a neuro-knowledge-based expert system (NKBES) frame in this work. The system mainly concerns with decision of gating system and die casting machine b
Precipitation in Inconel 625 alloy has been studied by positron annihilation spectroscopy and electron microscopy. The observeddependence of annihilation charac