Effect of compaction degree on permittivity of water-glass containing moulding sand

[摘要] The presented basic research was aimed at determining a correlation between compaction degree of moulding sand and its permittivity ε r at 2,45�?10 9 s -1 . The measurement results make a basis for mathematical description of a...

[学科分类] 金属与冶金

[关键词] casting;moulding sand;permittivity;compaction degree;microwaves