Bottom dross obtained from zinc bath and the typical bottom dross defects on galvanized and galvannealed coating were metallographically investigated.Galvanneal
In this study,a C-Mn quenched steel tube was quickly tempered by induction heating,and the influence of the tempering temperature on its performance was studied
The environmental issues associated with packaging materials have been attracting increasing attention.Life cycle assessment( LCA) is currently the main method