摘要
叙述了煤粉在型砂中的作用及煤粉的防粘砂机理，即气膜理论、焦碳膜理论、氢气还原理 论和光亮碳理论，介绍了煤粉对于型砂和环境的危害，以及煤粉代用材料在国内外的发展．
The application of seacoal in greensand and the mechanism of seacoal to prevent the castings defect from metal penetration are described. The above mechanism includs the theory of gas film, the theory of code film and the theory of the lustrol of carben. In the mean while the harmful effect of seacoal on human and the development history of placement of seacoal in abroad and domestic are described in this paper.
出处
《沈阳工业大学学报》
CAS
2000年第2期112-115,共4页
Journal of Shenyang University of Technology
