A representative “puncture” caused by dielectric breakdown of the alumina. A surface pit formed by grain pull-out is circled red, although there are clearly many. (Credit: Shetty, et al; Wiley.) …
Read MoreA representative “puncture” caused by dielectric breakdown of the alumina. A surface pit formed by grain pull-out is circled red, although there are clearly many. (Credit: Shetty, et al; Wiley.) …
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