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    • 5. 发明申请
    • THERMOELECTRIC PROPERTIES OF CERAMIC THIN FILM THERMOCOUPLES
    • 陶瓷薄膜热电偶的热电性能
    • WO2007130862A3
    • 2008-07-24
    • PCT/US2007067627
    • 2007-04-27
    • RHODE ISLAND EDUCATIONFRALICK GUSTAVE CWRBANEK JOHN DGREGORY OTTO J
    • FRALICK GUSTAVE CWRBANEK JOHN DGREGORY OTTO J
    • H01L35/18G01J5/12G01K7/06
    • G01K7/028G01K13/02G01K2013/024
    • Thin film ceramic thermocouples are used to assess temperatures beyond 14000C in the hot sections of gas turbine engines. Several ceramic materials were systematically examined as thermoelements including indium tin oxide (ITO), zinc oxide (ZnO) and a NiCrCoAlY/alumina nanocomposite. These ceramic thermoelements were initially tested relative to a platinum reference electrode and the relationship between process parameters and thermoelectric properties, including Seebeck coefficient, sensitivity and voltage/temperature behavior was established. Bi-ceramic junctions comprised of ZnO and ITO generated a very large electromotive force at low temperatures but lacked high temperature stability. When ITO was combined with a NiCoCrAlY/alumina nanocomposite, a very large Seebeck coefficient with excellent emf/temperature behavior was realized. A ceramic thermocouple based on this combination was demonstrated at temperatures up to 1200°C.
    • 薄膜陶瓷热电偶用于评估燃气轮机发动机热段14000℃以上的温度。 系统地研究了几种陶瓷材料作为热电偶,包括氧化铟锡(ITO),氧化锌(ZnO)和NiCrCoAlY /氧化铝纳米复合材料。 这些陶瓷热电偶首先相对于铂参比电极进行了测试,并建立了工艺参数和热电性能之间的关系,包括塞贝克系数,灵敏度和电压/温度行为。 由ZnO和ITO组成的双陶瓷结在低温下产生非常大的电动势,但缺乏高温稳定性。 当ITO与NiCoCrAlY /氧化铝纳米复合材料组合时,实现了非常大的塞贝克系数,具有优异的电磁/温度特性。 在高达1200°C的温度下,证明了基于此组合的陶瓷热电偶。
    • 10. 发明申请
    • THIN FILM CERAMIC THERMOCOUPLES
    • 薄膜陶瓷热电偶
    • WO2005112140A2
    • 2005-11-24
    • PCT/US2005012004
    • 2005-04-12
    • RHODE ISLAND EDUCATIONGREGORY OTTOFRALICK GUSTAVEWRBANEK JOHNYOU TAO
    • GREGORY OTTOFRALICK GUSTAVEWRBANEK JOHNYOU TAO
    • H01L35/28
    • G01K7/04G01K7/028
    • A thin film ceramic thermocouple (10) having two ceramic thermocouple (12, 14) that are in contact with each other in at least on point to form a junction, and wherein each element was prepared in a different oxygen/nitrogen/argon plasma. Since each element is prepared under different plasma conditions, they have different electrical conductivity and different charge carrier concentration. The thin film thermocouple (10) can be transparent. A versatile ceramic sensor system having an RTD heat flux sensor can be combined with a thermocouple and a strain sensor to yield a multifunctional ceramic sensor array. The transparent ceramic temperature sensor that could ultimately be used for calibration of optical sensors.
    • 一种具有两个陶瓷热电偶(12,14)的薄膜陶瓷热电偶(10),它们至少在至少一点上彼此接触以形成结,并且其中每个元件在不同的氧/氮/氩等离子体中制备。 由于每种元素在不同的等离子体条件下制备,它们具有不同的电导率和不同的电荷载流子浓度。 薄膜热电偶(10)可以是透明的。 具有RTD热通量传感器的多功能陶瓷传感器系统可以与热电偶和应变传感器组合,以产生多功能陶瓷传感器阵列。 透明陶瓷温度传感器最终可用于校准光学传感器。