Fabrication of Al<sub>2</sub>O<sub>3</sub> Ceramic Matrix Composites and Their Microstructure

Pan Ye Zhang Chuan Zhang Yancheng Sun Guoxiong

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Fabrication of Al₂O₃ Ceramic Matrix Composites and Their Microstructure
- role： First author 第一作者
- Affiliation：
  Southeastern University,Nanjing,China
Pan Ye Zhang Chuan Zhang Yancheng Sun Guoxiong
1 ,
- Affiliation：
  Southeastern University,Nanjing,China
张传
1 ,
- Affiliation：
  Southeastern University,Nanjing,China
张衍成
1 ,
- Affiliation：
  Southeastern University,Nanjing,China
孙国雄
1
Issue 6, Pages: 347-349(2005)
Published： 2005 ，
DOI：

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[1]潘冶,张传,张衍成,孙国雄.氧化铝陶瓷基复合材料的制备与微观组织[J].特种铸造及有色合金,2005(06):347-349+318.

Pan Ye Zhang Chuan Zhang Yancheng Sun Guoxiong. Fabrication of Al₂O₃ Ceramic Matrix Composites and Their Microstructure. [J]. Special Casting & Nonferrous Alloys (6):347-349(2005)
[1]潘冶,张传,张衍成,孙国雄.氧化铝陶瓷基复合材料的制备与微观组织[J].特种铸造及有色合金,2005(06):347-349+318. DOI：

Pan Ye Zhang Chuan Zhang Yancheng Sun Guoxiong. Fabrication of Al₂O₃ Ceramic Matrix Composites and Their Microstructure. [J]. Special Casting & Nonferrous Alloys (6):347-349(2005) DOI：

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Abstract

Al₂O₃-Cr and Al₂O₃-（Cr₂O₃）-Cr ceramic matrix composites were successfully prepared in ceramic mold and graphite mold by combustion synthesis.The effects of Al₂O₃ and Cr₂O₃ dilutor on initial reaction temperature and adiabatic temperature were investigated by thermodynamic calculation.It was found that the dilutor can improve initial reaction temperature and decrease adiabatic temperature.Al₂O₃ and Al₂O₃- Cr₂O₃ solid solution matrix composites can be prepared by changing the dilutor proportion,in which with proper dilutor,fine Cr phase with sub-micron size can be uniformly distributed in the Al₂O₃ matrix.The uniformity and fineness of microstructure of the composites in graphite mold are superior to those of in ceramic mold.

transl

Keywords

Composites; Combustion Synthesis; Al2O3; Microstructure

transl

摘要

采用燃烧合成法在陶瓷和石墨铸型中成功制备了Al2O3Cr和Al2O3（Cr2O3）Cr陶瓷基复合材料。通过热力学计算与分析

探讨了Al2O3和Cr2O3稀释剂与反应起始温度、绝热温度的关系。加入稀释剂使反应起始温度升高

而绝热温度降低。研究了稀释剂和冷却条件对复合材料微观组织的影响。改变稀释剂配比可得到Al2O3和Al2O3Cr2O3固溶体基复合材料

在稀释剂含量适当时

金属Cr相细小、均匀地分布于氧化铝陶瓷基体

尺寸达到亚微米级;石墨型所得试样组织的均匀性和微细度优于陶瓷铸型。

Abstract

-Cr and Al

-（Cr

）-Cr ceramic matrix composites were successfully prepared in ceramic mold and graphite mold by combustion synthesis.The effects of Al

and Cr

dilutor on initial reaction temperature and adiabatic temperature were investigated by thermodynamic calculation.It was found that the dilutor can improve initial reaction temperature and decrease adiabatic temperature.Al

and Al

- Cr

solid solution matrix composites can be prepared by changing the dilutor proportion

in which with proper dilutor

fine Cr phase with sub-micron size can be uniformly distributed in the Al

matrix.The uniformity and fineness of microstructure of the composites in graphite mold are superior to those of in ceramic mold.

关键词

复合材料燃烧合成氧化铝微观组织

Keywords

CompositesCombustion SynthesisAl2O3Microstructure

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Related Author

Li Jungang 1 Yin Dongsong 2 Jin Yunxue 3 佳木斯大学;哈尔滨工业大学;江苏科技大学;佳木斯大学哈尔滨工业大学江苏科技大学

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Related Institution

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School of Materials Science and Engineering, Southeastern University

⁰

Fabrication of Al2O3 Ceramic Matrix Composites and Their Microstructure

Pan Ye Zhang Chuan Zhang Yancheng Sun Guoxiong

张传

张衍成

孙国雄

DOI：

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Abstract

Keywords

摘要

Abstract

关键词

Keywords

references

Fabrication of Al₂O₃ Ceramic Matrix Composites and Their Microstructure