Preparation and Thermophysical Properties of Nd2O3-CeO2-ZrO2 Ceramic Powder used for Thermal Barrier Coating
Source abstract
Abstract
采用化学沉淀法制备了热障涂层用Nd2Zr2O7（NZ）以及CeO2-Nd2O3-ZrO2（NCZ）陶瓷粉末.通过电感耦合等离子体原子发射光谱（ICP-AES）、X射线衍射、DSC及霍尔流速计对粉末化学组成、相组成、高温相稳定性和流动性能进行了研究.通过高温膨胀仪、DSC和激光热导仪分别测定其热膨胀系数和导热系数.结果表明,掺杂的NCZ粉末保持了NZ的烧绿石相结构,120℃时粉末为无定形的混合氧化物,900℃时转化为复合氧化物,1200℃时转变为单一的锆酸钕烧绿石相;高温下NCZ无明显相变;在高于1400℃的温度下煅烧后,NCZ的流动性得到显著改善;添加CeO2可提高锆酸钕的热膨胀系数,而对其导热系数和比热系数的影响不大.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Nuclear materials and radiation effects · Nuclear Materials and Properties · Luminescence Properties of Advanced Materials
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (14)
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