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Cover Image, Volume 103, Issue 4
Publication year - 2020
Publication title -
journal of the american ceramic society
Language(s) - English
Resource type - Reports
SCImago Journal Rank - 0.9
H-Index - 196
eISSN - 1551-2916
pISSN - 0002-7820
DOI - 10.1111/jace.16565
Subject(s) - indentation , impression , materials science , crystallite , microstructure , composite material , cover (algebra) , micrograph , mineralogy , volume (thermodynamics) , optics , scanning electron microscope , metallurgy , geology , physics , mechanical engineering , computer science , engineering , quantum mechanics , world wide web
Cover Photograph: Optical micrograph of a polycrystalline alumina surface containing a Vickers indentation performed in air: image in reflected light; alumina modal grain size about 15 μm; indentation by 50 N load to generate impression width about 70 μm. Radial cracks at impression corners are significantly influenced by material microstructure, subsurface lateral cracks apparent as bright areas. Details in feature article (alumina equivalent to material A6). Credit: Robert F. Cook. DOI: 10.1111/jace.16925 .