从硫化锌精矿直接制备氧化锌针状晶须  

Preparation of Needle ZnO Whiskers with Zinc Sulphide Concentrates

作　　者：沈强华[1] 陈雯[1] 朱祖泽[1] 

机构地区：[1]昆明理工大学材料与冶金工程学院,云南昆明650093

出　　处：《昆明理工大学学报（理工版）》2003年第6期20-22,共3页Journal of Kunming University of Science and Technology(Natural Science Edition)

摘　　要：研究了硫化锌精矿、石灰和褐煤半焦的混合物 ,添加适当粘接剂制粒后 ,高温气相反应制备ZnO针状晶须的条件及形态 .试验表明 ,反应温度、反应时间、还原剂用量对晶须生长影响很大 ;不同的基体材料对ZnO晶体的生长发育也有影响 .X射线衍射结果表明 ,该晶体属六方晶系纤锌矿结构 ,典型的晶须长 1 0～ 40mm ,直径 8～ 1 4μm.The preparing conditions and morphology of Needle ZnO Whiskers are dealt with,which are produced by high temperature vapor phase reaction with zinc sulphide concentrates,lime and lignite semicoke mixture in the air,and the granulated mixture by adding some binder. The experiment shows that the reaction temperature,time and reducing agent amount have an influence on the whisker growth;and different basic materials also affect the growth of ZnO crystal. The crystal is wurtzite ZnO structure verified by XRD patterns of ZnO whiskers. The length of typical whiskers is 10～40mm and diameter is 8～14μm.

关 键 词：氧化锌针状晶须 粘接剂 还原剂 弹性模量 物理性能 

分 类 号：TG146.13[一般工业技术—材料科学与工程]