| Sintering densification and properties of Al2O3／PSZ （3Y） ceramic composites |
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| 引用本文： | 马伟民,修稚萌,闻雷,孙旭东,铁维麟. Sintering densification and properties of Al2O3／PSZ （3Y） ceramic composites[J]. 中国有色金属学会会刊, 2004, 14(2): 260-264 |
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| 作者姓名： | 马伟民 修稚萌 闻雷 孙旭东 铁维麟 |
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| 作者单位： | Institute of Materials and Metallurgy，Institute of Materials and Metallurgy，Institute of Materials and Metallurgy，Institute of Materials and Metallurgy，Institute of Mechanical Engineering Northeastern University，Shenyang 110004，China，Institute of Mechanical Engineering，Shenyang University，Shenyang 110044，China，Northeastern University，Shenyang 110004，China，Northeastern University，Shenyang 110004，China，Northeastern University，Shenyang 110004，China，Shenyang University，Shenyang 110044，China |
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| 摘 要： | 1 INTRODUCTIONAl2 O3ceramicsisoneofthewide spreadingma terialsbecauseitholdsgoodfeaturessuchasresistancetohightemperature ,oxidation ,corrosionandabra sion .However ,thebrittlenatureofAl2 O3ceramicshaspromptedustoexploreavarietyofapproachestoenhanceitsfracturetoughness .SinceGarvieetal[1]advancedatheoryin 1975 ,thatistoimprovethefracturetoughnessandflexuralstrengthofZrO2 ce ramicswithmartensitictransformation ,ZrO2 hasbeenreceivingconsiderableattention .AddingMgO ,CaO ,Y2 O3andCeO2…
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| 关 键 词： | Al2O3／PSZ 陶瓷涂层 烧结 致密化 性能 |
Sintering densification and properties of Al2O3/PSZ(3Y) ceramic composites |
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| MA Wei-min. Sintering densification and properties of Al2O3/PSZ(3Y) ceramic composites[J]. Transactions of Nonferrous Metals Society of China, 2004, 14(2): 260-264 |
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| Authors: | MA Wei-min |
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| Affiliation: | MA Wei-min~ |
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| Abstract: | The content of partially stabilized zirconia has remarkable influence on densification and mechanical properties of Al2 O3/PSZ(3Y) ceramic composites. When 15%PSZ(3Y) is added to Al2 O3, after vacuum sintering for 2h at 1 550 ℃, the fracture toughness and bending strength of the Al2O3/PSZ(3Y) ceramic composite reaches 8.2properties was investigated. The change of rn-ZrO2 and t-ZrO2 phases content before and after fracture was measured by X-ray diffraction quantitative phase analysis. It is confirmed that improvement in bending strength and fracture toughness of the Al2O3/PSZ(3Y) ceramic composite is due to the phase transformation toughening mechanism of PSZ(3Y). |
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| Keywords: | Al2 O3/PSZ(3Y) ceramic composite vacuum sintering transformation toughening mechanical prop erties |
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