CAJ | 학술논문

采用燃烧法制备了钇稳定的氧化锆纳米晶粉体，用X－线衍射、红外光谱、扫描电镜和热重分析对产物进行了表征并研究了最佳制备条件。结果表明：当Y3＋的添加量为Zr4＋和Y3＋总摩尔质量的8％、甘氨酸与金属离子总摩尔质量之比为2∶1，900℃煅烧时，所得最终产物经表征为二氧化锆，其晶粒度为8 nm，在中高温下可处于稳定状态；该条件下制备的纳米晶粒具有结晶度较高、粒度均一、分散性好、堆叠密度低的特点。
채용연소법제비료을은정적양화고납미정분체，용X－선연사、홍외광보、소묘전경화열중분석대산물진행료표정병연구료최가제비조건。결과표명：당Y3＋적첨가량위Zr4＋화Y3＋총마이질량적8％、감안산여금속리자총마이질량지비위2∶1，900℃단소시，소득최종산물경표정위이양화고，기정립도위8 nm，재중고온하가처우은정상태；해조건하제비적납미정립구유결정도교고、립도균일、분산성호、퇴첩밀도저적특점。
Nanoscale yttria stabilized zirconia ( YSZ) powders were prepared by glycine -nitrate com-bustion treatment , and the optimum preparation conditions were studied by powder X -ray diffrac-tion, infrared spectroscope , scanning electron microscope and hermo Gravimetric .The optimal con-ditions are:being calcined at 900℃ ; the average powder size is about 8nm calculated from XRD spectra at the conditions of Mglycine:MZr4++MY3+=2∶1, MY3+: (MZr4++MY3+) =8%.The powder indicates high degree of crystallinity , uniform particle size , good dispersion and low stacking density .