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Characteristics of Millimeter-wave Heating and Smart Materials Synthesis

机译:毫米波加热特性与智能材料合成

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摘要

Characteristics and advantages of heating processing based on millimeter-wave are described from the standpoint of the interaction between electromagnetic energy and solid materials. High capabilities of the electromagnetic processing are indicated by exemplifying several successful results such as sintering of alumina and AlN and post-annealing of aerosol-deposited PZT films. In these examples, it is shown that well-characterized properties such as high thermal conductivity and high bending strength are obtained by the inherent effect in the millimeter-wave processing. In the millimeter-wave processing, high thermal conductive AlN with over 210W/(m·K) can be synthesized by rapid sintering at lower temperature, compared with the conventional method. Suppression of the interfacial reaction between PZT film and substrate steel can also be attained using the millimeter-wave processing. It is explained that the high capabilities of applying millimeter-wave processing to smart materials synthesis originates from the non-thermal effects due to high frequency field of millimeter-wave.
机译:从电磁能和固体材料之间的相互作用的角度描述了基于毫米波的加热处理的特征和优点。通过举例说明几个成功的结果,例如氧化铝和AlN的烧结以及气溶胶沉积的PZT膜的后退火,表明了电磁处理的高能力。在这些示例中,示出了通过毫米波处理中的固有效果获得了良好表征的特性,例如高导热率和高弯曲强度。与常规方法相比,在毫米波处理中,可以通过在较低温度下快速烧结来合成具有超过210W /(m·K)的高导热AlN。也可以使用毫米波处理来抑制PZT膜与基底钢之间的界面反应。据解释,将毫米波处理应用于智能材料合成的高能力源于毫米波高频场引起的非热效应。

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