Image:Ta C wear.jpg

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[edit] Summary

Scanning Tunneling Microscopic (STM) image of surfaces at the edge of a 1 μm thick layer of ta-C "diamond-like" coating on 304 stainless steel after various durations of tumbling in a slurry of 240 mesh SiC abrasive. The first 100 min shows a burnishing away from the coating of an overburden of soft carbons than had been deposited after the last cycle of impacts converting bonds to sp³. On the uncoated part of the sample about 5 μm of steel were removed during subsequent tumbling while the coating completely protected the part of the sample it covered.

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	Date/Time	Dimensions	User	Comment
current	19:06, 27 October 2006	672×1,461 (190 KB)	Drac2000 (Talk \| contribs)
	22:25, 25 October 2006	402×290 (31 KB)	Drac2000 (Talk \| contribs)