中和-蒸发联合结晶法制备高品质仲钨酸铵的工艺及机理研究  

Study of the Preparation Technology and Mechanism of Preparing High Quality Ammonium Paratungstate by Neutralize-evaporation Crystallization Combination Method

作　　者：刘觐[1] 易志强 谭敦强[2] 陆磊[1] 康林萍[1] 陈志刚 LIU Jin;YI Zhiqiang;TAN Dunqiang;LU Lei;KANG Linping;CHEN Zhigang(Institute of Applied Phyics,Jiangxi Academy of Science,330029,Nanchang,PRC;School of Materials Science & Engineering,Nanchang University,330031,Nanchang,PRC)

机构地区：[1]江西省科学院应用物理研究所,南昌330029 [2]南昌大学材料科学与工程学院,南昌330031 [3]Materials Engineering,University of Queensland,QLD 4072,Brisbane,Australia

出　　处：《江西科学》2019年第4期590-594,共5页Jiangxi Science

基　　金：江西省重点研发项目(20061BBH80062);江西省自然科学基金项目(20161BAB206164);江西省科学院重大科技专项(2018-YZD1-01);江西省科学院科研开发专项基金(2015-YYB-08)

摘　　要：高质量的仲钨酸铵是提高硬质合金性能的关键。通过分析蒸发结晶法、中和结晶法和蒸发-中和联合结晶法制备的仲钨酸铵的特性,开发出新型中和-蒸发联合结晶法,中和-蒸发联合结晶法制备获得的仲钨酸铵具有晶形单一,形貌完整,表面光滑,粒径细小均匀的优点。High quality ammonium paratungstate is the key to improve the cemented carbide.This paper have exploit a new neutralization - evaporation combined method through analyzing the characteristics of three kinds of ammonium paratungstate prepared by evaporation method,neutralization method,evaporation - neutralization combined method respectively.The ammonium paratungstate prepared by the new neutralization - evaporation combined method have the advantages of single crystal shape,complete morphology,smooth surface,fine and homogeneous particle size.

关 键 词：APT 蒸发结晶 中和结晶 硬质合金 湿法冶金 

分 类 号：TF841.1[冶金工程—有色金属冶金]