Jing Zongliang Sun Shiping. Application of Sodium Silicate Binder with Na2HPO4 Modifier to Investment Casting[J]. Special Casting & Nonferrous Alloys, 2005,(2):112-113.
Jing Zongliang Sun Shiping. Application of Sodium Silicate Binder with Na2HPO4 Modifier to Investment Casting[J]. Special Casting & Nonferrous Alloys, 2005,(2):112-113.DOI:
磷酸氢二钠改性水玻璃在熔模铸造中的应用
摘要
在水玻璃中加入改性剂Na2 HPO4
原二元水玻璃变成三元的Na2 O SiO2 P2 O5复合凝胶网络
有效地提高了表面层的粘结强度
明显降低铸件表面粗糙度
且型壳的高温残留强度也显著下降
Abstract
Binary sodium silicate binder transformed into ternary Na
2
O\|SiO
2
\|P
2
O
5
compound agglutinative net with addition of Na
2
HPO
4
modifier
which can effectively improve surface binding strength decrease surface roughness of the castings as well as residual strength at high temperature.