Compressive stresses of mould mixture

[摘要] The source of compressive stresses lies in the structure of quartz sand. By reaching the critical temperature (from 560 to 580 °C), the quartz sand grains increase volume. The increase in volume causes the movement of surrounding grains...

[学科分类] 金属与冶金

[关键词] mould;quartz sand;compressive stresses;grain size;dilatometric investigations;scabbing