Tribological behavior and surface analysis of tribodeformed AI Alloy-50 Pet graphite particle composites
作者： P. K. Rohatgi , Y. Liu , T. L. Barr
DOI: 10.1007/BF02660675
关键词: Graphite 、 X-ray photoelectron spectroscopy 、 Materials science 、 Composite number 、 Alloy 、 Composite material 、 Structural material 、 Tribology 、 Base (chemistry) 、 Auger electron spectroscopy
摘要: A low-pressure infiltration-casting technique was used to produce Al alloy (2014)-50 vol pct graphite particle composites. The tribological behavior of the worn surfaces above composites investigated. It found that coefficient friction order 0.2 as compared over 0.4 for matrix and stabilized after a running distance 5 m. In addition, wear rate composite alloys is lower decreases sliding distances 2 m under conditions 10 N 0.1 m/s. reduced base are presumably due formation solid lubricating film at surface. Detailed X-ray photoelectron spectroscopy (XPS) Auger electron (AES) analyses show this approximately 20-nm thick composed carbonaceous mixture primarily graphitic carbon plus some oxides air-deposited hydrocarbons in film. aluminum-containing particles also present
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