Partially amorphous Ni-Nb alloy was made by 1.91 kW cw CO<sub>2</sub> laser melt-quenching,and fully amorphous by 4.5 kW and 4.9 kW.The corrosion resistance of
Observation was carried out of the structure of sulphuric,oxalic or phosphoricfilm on Al after treatment of reanodizing and electrolytic depositing lubricant in