在近几年国际高温涂层研究的基础上,根据理论研究和实验结果从几方面因素(如材料、膜层结构、陶瓷中金属组分等)分析了其对高温吸收涂层效率的影响。在 Mo-Al_2O_3双吸收层涂层的基础上,利用计算机计算了金属体积分数配比和膜层厚度变...在近几年国际高温涂层研究的基础上,根据理论研究和实验结果从几方面因素(如材料、膜层结构、陶瓷中金属组分等)分析了其对高温吸收涂层效率的影响。在 Mo-Al_2O_3双吸收层涂层的基础上,利用计算机计算了金属体积分数配比和膜层厚度变化下整个涂层的吸收比和发射比,计算结果表明,膜厚和吸收层中 Mo 的体积分数对涂层的吸收比和发射比影响效果差异较大,选择合适的控制因子不仅可以提高涂层的吸收比(α=0.92~0.95),而且还能有效控制涂层的发射比(ε≤0.05)。展开更多
Spectrally selective TiAl/TiAlN/TiAlON/TiAlO coating was deposited on stainless steel and copper substrates using a multiarc ion plating system.The structure,morphology,optical reflectance and electrical resistivity w...Spectrally selective TiAl/TiAlN/TiAlON/TiAlO coating was deposited on stainless steel and copper substrates using a multiarc ion plating system.The structure,morphology,optical reflectance and electrical resistivity were investigated by X-ray diffraction(XRD),scanning electron microscopy(SEM),spectrophotometer and four-point probe meter,respectively.The results show that the coating exhibits high absorptance(―0.9) and low emittance(0.09―0.19).The coating remains stable in air up to 650℃ for 1h.These properties are of extraordinary interest in solar thermal power generations and energy saving buildings.展开更多
文摘在近几年国际高温涂层研究的基础上,根据理论研究和实验结果从几方面因素(如材料、膜层结构、陶瓷中金属组分等)分析了其对高温吸收涂层效率的影响。在 Mo-Al_2O_3双吸收层涂层的基础上,利用计算机计算了金属体积分数配比和膜层厚度变化下整个涂层的吸收比和发射比,计算结果表明,膜厚和吸收层中 Mo 的体积分数对涂层的吸收比和发射比影响效果差异较大,选择合适的控制因子不仅可以提高涂层的吸收比(α=0.92~0.95),而且还能有效控制涂层的发射比(ε≤0.05)。
基金Supported by the Technology Innovation Foundation of General Research Institute for Nonferrous Metals (Grant No.52201)
文摘Spectrally selective TiAl/TiAlN/TiAlON/TiAlO coating was deposited on stainless steel and copper substrates using a multiarc ion plating system.The structure,morphology,optical reflectance and electrical resistivity were investigated by X-ray diffraction(XRD),scanning electron microscopy(SEM),spectrophotometer and four-point probe meter,respectively.The results show that the coating exhibits high absorptance(―0.9) and low emittance(0.09―0.19).The coating remains stable in air up to 650℃ for 1h.These properties are of extraordinary interest in solar thermal power generations and energy saving buildings.