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《Industrial Engineering Journal》 1991-01
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STUDY OF THE MODIFIED SODIUM SILICATE BONDED SAND FOR STEEL CASTINGS

Liang Zhilin Shen Xianqin Yang Bo (Dept. of Metal Material Science Refrigeration Engineering)  
The cured strength,retained strength and technical prcperties of modified sodium silicate bonded sand were examined.The selection of modifying agents and the compositions of the sand mixture were also described.By modifying sodium silicate with TPN the bond strength can be increased by about one fifth to one third while the retained strength after heating at high temperature can be reduced greatly.Experiments show that the modified molding sand has advantages of higher bond strength,better collapsibility and casting quality.The mechanism of the strength and collapsibility improvement with TPN has been also discussed in detail.
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【Co-citations】
Chinese Journal Full-text Database 10 Hits
1 Zhou Jie;Chen Jianming;Cao Qiwen;Wu Guohua Department of Material Engineering;STUDY ON COLD FRECOATED PROCESS[J];;1990-01
2 ZHANG Li ye (Chengde Environmental Protection Science Research Institute,Chengde,Hebei,China,067000);Research on Modification Phenol-formaldehyde Resin for Casting[J];Journal of Chengde Petroleum College;2002-04
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9 Han Huanmei Zhang Xianyou Zhu Youqin (Harbim Vniversity of Techology,Harhbin 150040);The Research of Phenol-formaldehyde Resin Adhesive for Casting[J];Chemistry and Adhesion;1996-01
10 Li Feng;Study and Application of Chilled Non-nitrogen and Non-phenol Furan Resin Sand[J];Journal of Hebei Polytechnic;2001-04
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