热致变色可变发射率材料的制备与辐射特性研究

工程热物理学报 , 2009, 30(6): 1005-1008.

1.南京理工大学动力工程学院,江苏,南京,210094

2.南京理工大学动力工程学院,江苏,南京,210094

3.南京理工大学动力工程学院,江苏,南京,210094

基金项目: 国家自然科学基金(50876044) 教育部新世纪优秀人才支持计划

PREPARED METHOD AND RADIATIVE PROPERTIES OF A THERMOCHROMIC VARIABLE EMITTANCE MATERIAL

采用固相反应法制备了钙钛矿型锰氧化物热致变色材料,机械加工制得了薄层样品,测量了样品的晶体结构、居里温度以及辐射特性,分析了材料组分对样品居里温度和辐射特性的影响.试验结果表明,热致变色材料的发射率在相转变温度点附近会随温度的变化而突变.

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