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Effect of different interfacial surfacetreatments on the shear bond strengthof veneering ceramic and zirconia core

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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…

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Initial damage and failure load of zirconia-ceramic and metal-ceramic posterior cantilever fixed partial dentures

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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 …

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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蠕变行为进行了分析和预测,探究了两种胶粘剂的蠕变破坏模式。结果表明:采用十字交叉法能够准确便捷地测试陶瓷胶粘剂的蠕变性能。增大胶粘层柔性、提高环境温度、增大剪切应力都会加速蠕变的发展,但粘结面积对蠕变…

1970-01-01

Calcium phosphate ceramics combined with rhBMP6 within autologous blood coagulum promote posterolateral lumbar fusion in sheep

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1970-01-01

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1970-01-01

Computational and experimental investigations of the giant dielectric property of Na1/2Y1/2Cu3Ti4O12 ceramics

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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…

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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(Ti0.2Zr0.2Nb0.2Hf0.2Ta0.2)B2陶瓷 (HEBs). 经研究确认, 其中残留氧化物是固溶少量硼和碳的m-(Hf,Zr)O2. 室温下HEBs的弹性模量、维氏硬度和断裂韧性分别为 50…

1970-01-01

Foamed glass ceramics—an upcycled scaffold for microbial biofilm development

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