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Chemical expansion of solid oxide fuel cell materials: A brief overview 被引量:2
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作者 S.R.Bishop 《Acta Mechanica Sinica》 SCIE EI CAS CSCD 2013年第3期312-317,共6页
The importance of oxygen non-stoichiometry induced expansion, known as chemical expansion, for the mechanical properties of solid oxide fuel cells (SOFCs) is discussed. The methods used to measure chemical expansion... The importance of oxygen non-stoichiometry induced expansion, known as chemical expansion, for the mechanical properties of solid oxide fuel cells (SOFCs) is discussed. The methods used to measure chemical expansion and the defects responsible for its existence are introduced. Recent work demonstrating the origin of chemical expansion in fluorite structured oxides for SOFCs is presented. Models used to predict stress induced by chemical expansion in SOFCs, highlighting the necessity of considering electro-chemo-mechanical coupling relationships, are discussed. 展开更多
关键词 Defect equilibria · SOFC mechanical properties · chemical expansion
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Chemical, mechanical, and thermal expansion properties of a carbon nanotube-reinforced aluminum nanocomposite 被引量:2
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作者 Manjula Sharma Vimal Sharma 《International Journal of Minerals,Metallurgy and Materials》 SCIE EI CAS CSCD 2016年第2期222-233,共12页
In the present study,the chemical and mechanical properties and the thermal expansion of a carbon nanotube(CNT)-based crystalline nano-aluminum(nano Al) composite were reported.The properties of nanocomposites wer... In the present study,the chemical and mechanical properties and the thermal expansion of a carbon nanotube(CNT)-based crystalline nano-aluminum(nano Al) composite were reported.The properties of nanocomposites were tailored by incorporating CNTs into the nano Al matrix using a physical mixing method.The elastic moduli and the coefficient of thermal expansion(CTE) of the nanocomposites were also estimated to understand the effects of CNT reinforcement in the Al matrix.Microstructural characterization of the nanocomposite reveals that the CNTs are dispersed and embedded in the Al matrix.The experimental results indicate that the incorporation of CNTs into the nano Al matrix results in the increase in hardness and elastic modulus along with a concomitant decrease in the coefficient of thermal expansion The hardness and elastic modulus of the nanocomposite increase by 21%and 20%,respectively,upon CNT addition.The CTE of CNT/A1 nanocomposite decreases to 70%compared with that of nano Al. 展开更多
关键词 metal matrix composites carbon nanotubes nanocomposites chemical properties thermal expansion mechanical properties
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BASF and Sinopec Break Ground on $1.4 Billion Expansion of Nanjing Joint Venture Chemical Site
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《China Textile》 2009年第11期12-13,共2页
BASF and Sinopec began the construction for the expansion of their joint venture,BASF-YPC Co.,Ltd. (BYC). BASF and Sinopec plan to jointly invest approximately $1.4 billion
关键词 BASF and Sinopec Break Ground on Billion expansion of Nanjing Joint Venture chemical Site
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