简介:Inthisstudy,inordertoevaluatetheperformanceofhomogenizedbauxite,twoAl_2O_3-SiC-Ccastableswerepreparedusinghomogenizedbauxiteandbrownfusedcorundumasaggregates,respectively.5mass%andalusitewasintroducedintothetwocastablessoastoresearchtheeffectandmechanismofandalusiteinAl_2O_3-SiC-Ccastables.Theresultsshowedthat:(1)comparedwiththebrownfusedcorundumbasedcastables,thehomogenizedbauxitebasedcastableshadhighercoldstrengthafterheattreatment,butlowerhotmodulusofrupture;(2)additionof5mass%andalusitecouldenhancethecoldandhotmodulusofrupture,improvethethermalshockresistance,andoptimizethemicrostructureofspecimens;(3)themullitizationofandalusitewasnotobviousinthecastablesfiredat1100-1400℃.
简介:2016年12月5日,压缩机公司工会举办了第一届羽毛球比赛。比赛分为男单、女单两个项目,共16人参加。当天,队员们按捺不住心中的兴奋,早早来到球场,利用工作人员做准备工作的间隙,抓紧时间热身。当裁判宣布比赛正式开始后,队员们便认真地投入到比赛中。赛场上,队员们努力拼搏、力争第一,将自己的技术发挥得淋漓尽致,不断引来观众阵阵尖叫