xinyou alumina ceramic ceramic loop featuring
2020-1-1 · This is because of unforeseen aging of the ceramic postimplantation, where the crystal structure of the ceramic changed from tetragonal to monoclinic, making the ceramic more brittle. Today, development of zirconia-toughened alumina (ZTA) is used as it has enhanced strength and toughness properties over α-Al 2 O 3.
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