Nanophase Materials: Synthesis, Structure, and Properties
作者： R. W. Siegel
DOI: 10.1007/978-3-642-46862-9_4
关键词: Grain boundary 、 Ceramic 、 Nanotechnology 、 High resolution electron microscopy 、 Atom 、 Chemistry
摘要: In the past few years, atom clusters with average diameters in range of 5–50 nm a variety materials, including metals and ceramics, have been synthesized by evaporation condensation high-purity gases followed consolidation situ under ultrahigh vacuum conditions to create nanophase materials. These new ultrafine-grained materials properties that are often significantly different considerably improved relative those their coarser-grained counterparts. The property changes result from small grain sizes, large percentage atoms boundary environments, interactions between grains. Since can be engineered during synthesis processing steps, cluster-assembled appear great technological potential beyond current scientific interest grain-size dependent properties. Recent research on is reviewed future considered.
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