【摘要】 利用熔融盐相变材料的高潜热和MgO陶瓷基体材料的耐高温和耐腐蚀等特性制备复合相变蓄热材料,同时为了提高蓄热材料的致密度,选用Bi2O3为粘结剂。采用阿基米德法得到相变蓄热材料的致密度,从而确定较理想的成型压力(表压)和成型时间分别为6 MPa和15 min,且通过XRD,TG-DTA,SEM和EDS检测分析,对MgO陶瓷基复合相变蓄热材料的性能进行初步研究。更多还原

【Abstract】 Using molten salts as PCMs which have high latent heat and MgO as matrix material which is able to bear high temperature and cor-rosion-resistant characteristics,we have succeeded in making the composite phase change material for thermal energy storage,Bi2O3 is used as additive in order to enhance the PCM’s density.The ideal molding pressure(the instrument’s pressure) and time are 6MPa and 15min respectively through,which is attained by the Archimedes Method,the PCM’s performances have been investigated through XRD、TG-DTA、SEM and EDS analyses.更多还原