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The tribo-electrification and wear behavior are investigated for self-mated pure hard metal pairs of Pt, Fe, Mo, Ti and W in dry severe wear process. Results show that the tribo-electrification of pin specimen appears to have much higher possibility of positive charge with higher wear loss at pin specimen by using Pt/Pt, Fe/Fe, and Mo/Mo pairs, but it becomes to have much higher possibility of negative...
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