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Tape Casting and Microstructure Controlling of Fine Grained Al2O3 Ceramic Substrate
摘要： 采用砂磨工艺获得了亚微米氧化铝复合粉体,用于制备微晶氧化铝陶瓷基板,研究了浆料组成对浆料流变学性质、生坯密度、生坯应力-应变行为的影响,以及烧结制度对平均晶粒尺寸和基板抗弯强度的影响。结果表明…
Research Progress on Ultra-High Temperature Ceramics Powder Prepared by Precursor-Derived Method
摘要：超高温陶瓷(UHTC)在航空航天的热防护领域具有重要作用,高质量的UHTC粉体是制备高性能UHTC的重要原料。在制备UHTC粉体的工艺中,前驱体转化法制备的粉体纯度高、粒径小、各组分分布均匀,具…
Preparation, Microwave Absorption Properties and Oxidation Resistance of High-Entropy (Zr,Hf,Nb,Ta)C Microcuboids
摘要： 针对高熵碳化物制备困难,本文采用ZrC、HfC、NbC和TaC粉为原料,Ni粉为熔剂,通过低温无压烧结工艺成功制备出三种不同成分的高熵(Zr,Hf,Nb,Ta)C粉体。结果表明,三种粉体均为微…
One-step synthesis and electromagnetic absorption properties of high entropy rare earth hexaborides (HE REB6) and high entropy rare earth hexaborides/borates (HE REB6/HE REBO3) composite powders
Abstract: Considering the emergence of severe electromagnetic interference problems, it is vital to …
Shear Creep Behavior of Ceramics Adhesive Based on Cross-Bonded Method
摘要:本研究设计了“十字交叉法”陶瓷胶粘剂剪切蠕变试验装置,选取刚性环氧树脂及柔性硅酮结构胶进行剪切蠕变试验,研究了环境温度、剪切应力、粘结面积等因素对胶粘剂剪切蠕变的影响,通过模型拟合对胶粘剂的剪切…
Glass-Ceramics from Trachyte Rock- Limestone or Magnesite
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