纳米氧化镍粉体陶瓷的制备及性能研究

Steklo i Keramika Pub Date : 2022-01-01 DOI:10.14489/glc.2022.01.pp.012-014

V. Lysenko

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引用次数: 0

摘要

在纳米级氧化镍粉末(平均粒径约为100 nm)的基础上，采用火花等离子烧结(SPS)的方法，制备出晶粒细(约为250 ~ 500纳米)、致密(5.93 g/cm3)、显微硬度Hv = 8.2 GPa、极限抗压强度?B = 0.4 GPa和Young?s的弹性模量E = 140 GPa。得到的陶瓷样品为立方结构的氧化镍NiO(73-1519)，空间基团为Fm3m (No. 225)，晶格尺寸为a = 4.168 ?

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CREATION AND PROPERTIES OF CERAMICS FROM NICKEL OXIDE NANOPOWDER

By means of the method of the spark plasma sintering (SPS) on the basis of nanodimensional powder of nickel oxide (with an average particle size of about 100 nm), the fine-grained (of 250 – 500 nanometers approximately), dense (5.93 g/cm3), strong ceramics with the high microhardness Hv = 8.2 GPa, ultimate compressive strength ?B = 0.4 GPa and Young?s modulus of elasticity E = 140 GPa is created. The obtained ceramic sample was nickel oxide NiO (73-1519) with cubic structure, space group Fm3m (No. 225) and lattice size a = 4.168 ?.

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Steklo i Keramika

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