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刘子浩,王明超,郭安然,刘家臣.纳米氧化铜对磷酸盐胶黏剂耐水性能的影响[J].稀有金属材料与工程(英文),2020,49(2):577~581.[Zihao Liu,Mingchao Liu,Anran Guo and Jiachen Liu.Effect of nano CuO on water resistance of phosphate adhesive[J].Rare Metal Materials and Engineering,2020,49(2):577~581.]
Effect of nano CuO on water resistance of phosphate adhesive
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Received:March 18, 2019  Revised:April 24, 2019
DOI:
Key words: Phosphate  Adhesive  nano CuO  water resistance
Foundation item:智库基金-特种密封材料及其系列化研究(项目号201707051001)
Author NameAffiliation
Zihao Liu,Mingchao Liu,Anran Guo and Jiachen Liu  
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Abstract:
      : Phosphate adhesive were prepared with the H3PO4 and Al (OH)3 as the matrix and nano CuO as the inorganic fillers. The influence of nano CuO on the water resistance of phosphate adhesives was investigated by soaking mullite joints that were bonded by the adhesive in artificial seawater for 168h. The results show that the nano CuO could improve the water resistance of the adhesive. The shear strength of mullite joint was 7.13MPa which is the best strength after immersed in artificial water whenthe content ofnano CuO was 20wt% in matrix. It has good water resistance within the whole heat-treatment temperature range from 150oC to 1300oC. The lowest shear strength is 2.31MPa after heat-treatment at 1300oC and immersed in artificial seawater. The effects of nano CuO on the water resistance of phosphate adhesive were analyzed by XRD and SEM.