Research process on cordierite ceramics with low thermal expansion coefficient/
Cordierite ceramics,known for their low thermal expansion coefficient,good chemical stability,and high strength,have been widely applied in metallurgy,catalysts,refractories and other fields.With the ad-vancement of the semiconductor industry,cordierite ceramics have emerged as a critical material for high-end equipment ceramic structural components.Various preparation methods of cordierite ceramics,inclu-ding solid-state synthesis,sol-gel method,and melt-glass method,were briefly described.The current re-search status on reducing the thermal expansion coefficient of cordierite ceramics through approaches such as adjusting raw material ratios and particle sizes,doping other elements,and modifying firing processes was summarized.Additionally,the current application status of low thermal expansion coefficient cordierite ceramics in different fields was discussed,and the future research direction was prospected.
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