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The effects of counter-surface chemistry and adsorption of water and alcohol from the environment on the tribological responses of silicon surfaces were investigated using atomic force microscopy. When scratching with SiO2 tips at contact pressures below the hardness of the materials, changing the environment yielded drastically different wear behaviors. In humid air, the adsorbed water molecules...
The effect of water vapor on the friction and wear between copper and 440C stainless steel was studied using a ball-on-flat tribometer, polarization-modulation reflection–absorption infrared spectroscopy, and Auger electron spectroscopy. The wear behavior changed drastically as the relative humidity (RH) varied in inert gas (nitrogen or argon). In a dry environment, a small degree of abrasive wear...
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