ZrB2-YAG-Al2O3复相陶瓷的抗氧化性能
Oxidation Resistance of ZrB2-YAG-Al2O3 Multi-phase Ceramics
摘 要
通过共沉淀法获得包覆式A12O3-Y2O3/ZrB2复合粉体,对其进行放电等离子烧结制备相应的复相陶瓷,并对不同YAG(钇铝石榴石)、Al2O3含量的复相陶瓷进行了氧化试验,用SEM、XRD和电子探针等研究了YAG、Al2O3对ZrB2陶瓷抗氧化性的影响.结果表明:制备的各种复相陶瓷和纯ZrB2陶瓷相比,在相同氧化条件下表面的氧化层厚度都有所变薄,YAG、Al2O3的加入可以改善ZrB2陶瓷的抗氧化性能;在相同氧化条件下,Al2O3含量越多,氧化层厚度越小;在高温条件下,复相陶瓷氧化层中均存在ZrO2、B2O3和Al18B4O33相,Al2O3含量越多,Al18B4O33相也越多.
YAG(钇铝石榴石)
Al2O3
复相陶瓷
抗氧化性能
ZrB2 ceramic
YAG(yttrim aluminum garnet)
Al2O3
multi-phase ceramic
oxidation resistance
Abstract
The ZrB2 coated with Al2O3-Y2O3 composite powders were obtained by co-precipitation method.The composite ceramics were prepared by spark plasma sintering (SPS)technique.Oxidation tests of the composite ceramics with different YAG(yttrim aluminum garnet)and Al2O3 contents were performed.The effects of YAG and Al2O3 on oxidation resistance of the ZrB2 ceramics were analyzed by using SEM,XRD and EPMA.The results show that the oxide layer thickness of ZrB2 ceramics added with YAG Al2O3 decreased compared to pure ZrB2 ceramics under the same oxidized conditions.YAG and Al2O3 could improve the oxidation resistance of ZrB2 ceramics.The more the Al2O3 content,the thinner the oxide layer thickness.Under high temperature condition the oxide layers on the composite ceramics were composed of ZrO2,B2O3 and Al18B4O33 phase.The more the Al2O3 content,the more the Al18B4O33 phase.
中图分类号 TG146.1
所属栏目 材料性能及其应用
基金项目 国家“973”计划资助项目(5133102);江西省教育厅青年科学基金资助项目(GJJ09595)
收稿日期 2009/5/22
修改稿日期 2010/1/22
网络出版日期
作者单位点击查看
备注宋杰光(1977-),男,四川广安人,讲师,博士.
引用该论文: SONG Jie-guang,DU Da-ming,WANG Xiu-qin,BAI Xiao-bo,LI Yang-liang,LI Shi-bin,JI Gang-chang,ZHANG Lian-meng. Oxidation Resistance of ZrB2-YAG-Al2O3 Multi-phase Ceramics[J]. Materials for mechancial engineering, 2010, 34(5): 64～67
宋杰光,杜大明,王秀琴,白小波,李养良,李世斌,纪岗昌,张联盟. ZrB2-YAG-Al2O3复相陶瓷的抗氧化性能[J]. 机械工程材料, 2010, 34(5): 64～67
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【2】CHAMBERLAIN A L,FAHRENHOLTZ W G,HILMAS G E.Pressureless sintering of zirconium diboride[J].J Am Ceram Soc,2006,89:450-456.
【3】MONTEVERDE F.Ultra-high temperature HfB2-SiC cera-mics consolidated by hot-pressing and spark plasma sintering[J].J Alloy Comp,2007,428:197-205.
【4】MONTEVERDE F.Advances in microstructure and mechanical properties of zirconium diboride based ceramics[J].Mater Sci Eng A,2003,346:310-319.
【5】熊金松,王玺堂.ZrB2在无机非金属材料中的应用现状[J].武汉科技大学学报:自然科学版,2006,29(3):229-232.
【6】OPILA E,LEVINE S,LORINCZ J.Oxidation of ZrB2-and HfB2-based ultra-high temperature ceramics: effect of Ta additions[J].J Mater Sci,2004,39(19):5969-5977.
【7】SCITI D,BRACH M,BELLOSI A.Oxidation behavior of a pressureless sintered ZrB2-MoSi2 ceramic composite[J].J Mater Res,2005,20(4):922-930.
【8】TALMY I G,ZAYKOSKI J A,OPEKA M M.Properties of ceramics in the system ZrB2-Ta5Si3[J].J Mater Res,2006,21(10):2593-2599.
【9】IVANAUSKAS F,KAREIVA A,LAPCUN B.On the modelling of solid state reactions synthesis of YAG[J].J Math Chem,2005,37(4):365-376.
【10】ZARAECKA M,BUCKO M,MIECZNIK J B.YAG powder synthesis by the modified citrate process[J].J Eur Ceram Soc,2007,27:593-597.
【11】WANG S J,XU Y B,LU P X.Synthesis of yttrium aluminum garnet(YAG)from an ethylenediaminetetraacetic acid precursor[J].Mater Sci Eng B,2006,127:203-206.
【12】LAINE R M,MARCHAL J,SUN H P.A new YAG phase produced by liquid-feed flame spray pyrolysis[J].Adv Mater,2005,17(7):830-833.
【13】SONG J G,ZHANG L M,LI J G.Synthesis and characteri-zation of A1(OH)3-Y(OH)3-ZrB2 composite particles[J].J Reinf Plast Comp,2007,26(2):139-145.
【14】CHAMBERLAIN A L,FAHRENHOLTZ W G,HILMAS G E.Oxidation of ZrB2-SiC ceramics under atmospheric and reentry conditions[J].Refract Appl Transit,2005,1(2):1-8.
【15】BRACH M,SCITTI D,BALBO A.Short-term oxidation of a ternary composite in the system AlN-SiC-ZrB2[J].J Eur Ceram Soc,2005,25:1771-1780.
【16】PARTHASARATHY T A,RAPP R A,OPEKA M.A model for the oxidation of ZrB2,HfB2 and TiB2[J].Acta Materialia,2007,55:5999-6010.
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