Improving the wear resistance of Al–Si alloy by ion implantation
作者： Y. Itoh , H. Azuma , A. Itoh , T. Hioki
关键词: Ion implantation 、 Silicon nitride 、 Alloy 、 Materials science 、 Irradiation 、 Composite material 、 X-ray photoelectron spectroscopy 、 Aluminium 、 Tribology 、 Knoop hardness test
摘要: The mechanical properties of ion-implanted Al–Si alloy were studied using disk samples irradiated with Ar + , B and N 2 ions. Knoop hardness ASTM 336.0 disks increased from 117 to 165 kgf/mm upon ion implantation. To measure tribological properties, lubricated ball-on-disk tests performed steel balls. coefficients friction higher than those unimplanted ones. Ion implantation improved the wear resistance disks, in case worn volume was smaller 10 −4 mm 3 . XPS analysis for revealed formation aluminum silicon nitride on sample surface. On other hand, cross-sectional image surface showed precipitated Si which is held under implanted
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