1. Date of download: 11/1/2017
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From: Effects of Substrate Bias on Tribological Properties of Diamondlike Carbon Thin Films Deposited Via Microwave-Excited Plasma-Enhanced Chemical Vapor Deposition
J. Tribol. 2016;138(3): doi: /
Figure Legend:
SEM micrographs showing surface morphologies of worn DLC films deposited with negative substrate biases of ((a) and (b)) −50 and ((c) and (d)) −300 V, slid against a 100Cr6 steel ball of 6 mm in diameter in a circular path of 1 mm in radius for 20,000 laps at a sliding speed of 1 cm/s under normal loads of ((a) and (c)) 1 and ((b) and (d)) 4 N