Pb の Hot dip coatingに関する研究(第1報)
1972 年 41 巻 12 号 p. 1379-1385
詳細
1972 年 41 巻 12 号 p. 1379-1385
As it is well known, the spreading characteristic of pure molten lead on a steel surface is not satisfied. Therefore, to get a good lead coating on a steel plate, choice of flux is more important than others.
From this reason, firstly, the authors determined the chemical displacement reaction between metal and molten flux (metal chloride) by free energy of metal chloride formation.
The spreading phenomenon of molten lead on a steel plate was studied and discussed from above results.
When ZnCl2-AgCl mixture is used as flux in place of ZnCl2, the spreaded area of molten lead is increased very greatly. SnCl2 addition to ZnCl2 flux gives a remarkable increase in lead spreading. However, a lead spreading is reduced by BiCl3 addition to ZnCl2.
