Researchers at the U.S. Naval Research Laboratory have hit a new low—while their previous work with environmentally controlled pressure assisted sintering achieved grain sizes as small as 28 nm, they now report grain sizes of just 3.6 nm.
Read MoreBy further understanding the dependence between densification and grain growth, a University of California Davis team of researchers has devised a new process to fabricate fully dense ceramic parts with virtually no grain growth.
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