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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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Interface structure and grain growth behavior of Ta4HfC5-Si2BC3N complex ceramic
摘要：超高温陶瓷(UHTC) Ta4HfC5因其优异的热物理和热机械性能而成为适用于高超音速飞行器最有前途的候选材料之一. 然而, 较差的烧结能力限制了其潜在的使用. 为了克服该障碍, 采用Si2BC…
Strong high-entropy diboride ceramics with oxide impurities at 1800°C
摘要：以硼热/碳热还原合成高熵二硼化物粉体为原料, 在2000°C/单轴 加压50 MPa条件下, 经10分钟放电等离子烧结, 成功制备了含有 ∼2 vol%的氧化物和∼1 vol%气孔的高熵(Ti0…