The solidificationshrinkage mechanism of unsaturated polyester resin is analysized by using free Volume theory in this paper.
本文用自由体积理论分析了不饱和聚酯树脂的固化收缩机理。
2
The effects of casting modulus, pouring temperature. carbon equivalent and mould toughness on the solidificationshrinkage of ductile cast iron was investigated experimentally.
实验测定了化学成分、浇注温度、铸件模数和铸型刚度对球墨铸铁收缩特性的影响。
3
Is mainly the size effect and solidification, shrinkage, stress and other issues clearly, to avoid or reduce the segregation, iron manhole cover deformation and crack defects.