摘要
为减少炮泥的污染,开发环境友好型炮泥,采用棕刚玉、SiC、焦炭、绢云母、蓝晶石、黏土、Si_(3)N_(4)-Fe粉等为主要原料,NS-FH为复合烧结助剂,分别以环保无污染的多羟基糖类葡萄糖和蔗糖为结合剂,制备Al_(2)O_(3)-SiC-C质无水炮泥。研究了葡萄糖或蔗糖溶液的外加量(加入质量分数分别为0、8%、9%、10%、11%、12%、13%)对该炮泥性能的影响。结果表明:以多羟基糖类葡萄糖或蔗糖为结合剂,可制得综合性能较好的Al_(2)O_(3)-SiC-C质无水炮泥;外加12%(w)的蔗糖溶液时,无水炮泥的性能最佳,其马夏值为1.14 MPa,1350℃埋石墨烧后的线收缩率、体积密度和显气孔率分别为0.72%、2.41 g·cm^(-3)和24.4%,常温耐压强度和高温抗折强度(1400℃埋碳并保温30 min)分别为40.1和12.1 MPa。
To reduce the pollution of taphole clay and develop environment-friendly taphole clay,Al_(2)O_(3)-SiC-C waterless taphole clay was prepared using brown corundum,SiC,coke,sericite,kyanite,clay,and Si_(3)N_(4)-Fe powder as the main raw materials,NS-FH as the composite sintering aid,and environmentally friendly polyhydroxy saccharides glucose and sucrose as the binders.The effect of the extra addition of glucose or sucrose solution(0,8%,9%,10%,11%,12%and 13%,by mass)on the properties of Al_(2)O_(3)-SiC-C waterless taphole clay was studied.The results show that the Al_(2)O_(3)-SiC-C waterless taphole clay with good comprehensive properties can be prepared using polyhydroxy saccharides glucose or sucrose as the binder;when the addition of sucrose solution is 12%,the performance of the waterless taphole clay is the best,the Marshall value is 1.14 MPa,and the sample fired at 1350℃in an atmosphere with carbon embedded has the linear shrinkage rate of 0.72%,bulk density of 2.41 g·cm^(-3),apparent porosity of 24.4%,cold compressive strength of 40.1 MPa and hot modulus of rupture(embedded in carbon at 1400℃for 30 min)of 12.1 MPa.
作者
李文凤
申天姿
郭会师
曹金金
康晓旭
石凯
康晓阳
Li Wenfeng;Shen Tianzi;Guo Huishi;Cao Jinjin;Kang Xiaoxu;Shi Kai;Kang Xiaoyang(School of Material Science and Engineering,Henan University of Technology,Zhengzhou 450001,Henan,China;不详)
出处
《耐火材料》
CAS
北大核心
2024年第4期314-318,共5页
Refractories
基金
国家自然科学基金(51802290)
河南省重点科技攻关(232102231046,232102231051)
河南工业大学青年骨干教师培育计划(21421211)。
