Synthesis and Thermal/Mechanical Properties Investigations of ANbO(A=Ca, Mg, Co, Ni) Ceramics

LI Baihui; LUO Keren; ZHANG Heying; CHEN Lin; ZHANG Zhibin; CHONG Xiaoyu; LIANG Xiubing; FENG Jing

doi:10.16080/j.issn1671-833x.2021.16.103

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Synthesis and Thermal/Mechanical Properties Investigations of ANbO(A=Ca, Mg, Co, Ni) Ceramics

更新时间：2025-10-30

- Synthesis and Thermal/Mechanical Properties Investigations of ANbO(A=Ca, Mg, Co, Ni) Ceramics
- Aeronautical Manufacturing Technology Vol. 64, Issue 16, Pages: 103-110(2021)
- 作者机构：
  
  1. 昆明理工大学,昆明,650093
  2. 中国人民解放军军事科学院国防科技创新研究院,北京,100071
- 作者简介：
- 基金信息：
- DOI：10.16080/j.issn1671-833x.2021.16.103
  CLC：
- Published：2021
- 稿件说明：
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李柏辉，罗可人，张鹤瀛，陈琳，张志彬，种晓宇，梁秀兵，冯晶. ANb2O6 （A=Ca, Mg, Co, Ni）型铌酸盐陶瓷的制备及其热/力学性质研究[J]. 航空制造技术, 2020, 64(16): 103-110.

LI Baihui,LUO Keren,ZHANG Heying,CHEN Lin,ZHANG Zhibin,CHONG Xiaoyu,LIANG Xiubing,FENG Jing. Synthesis and Thermal/Mechanical Properties Investigations of ANb2O6 (A=Ca, Mg, Co, Ni) Ceramics. 航空制造技术, 2020, 64(16): 103-110.
李柏辉，罗可人，张鹤瀛，陈琳，张志彬，种晓宇，梁秀兵，冯晶. ANb2O6 （A=Ca, Mg, Co, Ni）型铌酸盐陶瓷的制备及其热/力学性质研究[J]. 航空制造技术, 2020, 64(16): 103-110. DOI： 10.16080/j.issn1671-833x.2021.16.103.

LI Baihui,LUO Keren,ZHANG Heying,CHEN Lin,ZHANG Zhibin,CHONG Xiaoyu,LIANG Xiubing,FENG Jing. Synthesis and Thermal/Mechanical Properties Investigations of ANb2O6 (A=Ca, Mg, Co, Ni) Ceramics. 航空制造技术, 2020, 64(16): 103-110. DOI： 10.16080/j.issn1671-833x.2021.16.103.

摘要

热障涂层在高温下具有良好的隔热防护效果，可为航空发动机、燃气轮机和超高音速飞行器等高温合金零部件提供隔热防护的作用，从而达到延长其服役寿命和提高工作温度的目的。热障涂层陶瓷材料的性能要求主要有低的热导率、高的热膨胀系数、较低的杨氏模量和高的显微硬度等。通过高温固相法制备致密的 ANb2O6 型铌酸盐陶瓷块体，然后对块体的晶体结构、显微硬度、杨氏模量、热导率和热膨胀系数等性质进行研究。结果显示，所制备的 ANb

型铌酸盐均为正交相，显微硬度最大值达到 7.8GPa，同时具有较低的杨氏模量 100~180GPa，其热导率最小值为 1.59W/（m·K）（1200℃），并且热膨胀系数最大值为 9.1×10-6/K(1200℃ )，优异的热 / 力学性质显示 ANb

型铌酸盐是潜在的热障涂层材料。

Abstract

Thermal barrier coatings (TBCs) have good thermal insulation to protect the high-temperature components of aircraft engine

gas turbine and supersonic aircraft

et al. TBCs are applied to prolong the lifetime and increase the operation temperature of high-temperature components. Low thermal conductivity

high thermal expansion coefficients

comparatively low Young’s modulus and high hardness are required by TBCs. In this work

ANb

(A=Ca

Ni) ceramics are synthesized by a solid-state reaction

and their crystal structures

hardness

Young’s modulus

thermal conductivity and thermal expansion coefficients (TECs) ar

e systematically studied. The maximum value of hardness reaches 7.8GPa

and their Young’s modulus are relatively low (100-180GPa). The lowest thermal conductivity reaches 1.59W/(m·K) (1200℃)

and the highest TECs is 9.1×10-6 K-1 (1200℃). The excellent thermal/mechanical properties pronounce that ANb

ceramics are potential TBCs smaterials.

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