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介绍了浇注时水玻璃粘结剂与硅砂之间的烧结过程 ,指出 :采用活化金属离子改性 ,可改变水玻璃烧结体的显微组织及应力状态 ,从而有效地改善了水玻璃砂的溃散性
The sintering process between water glass binder and silica sand during pouring is introduced. It is pointed out that the modification of activated metal ions can change the microstructure and stress state of water glass sintered body, so as to effectively improve the collapse of sodium silicate sand Sex