Borate’s effects on coatings by PEO on AZ91D alloy
作者： Chaofeng Gu , Linlin Wang , Xin Hu , Weiping Dong , Herbert DaCosta
DOI: 10.1080/02670844.2017.1287622
关键词:
摘要: ABSTRACTThis research is to produce corrosion protection coatings on magnesium alloys (AZ91D) with good performance and less time power consumption by optimising the electrolytes used in plasma electrolytic oxidation processes. Coatings were produced a NaAlO2 solution two composite electrolytes, namely NaAlO2/NaBO2 NaAlO2/NaBO3. The effects of borate additives coating formation processes, phase structure, microstructure, property are discussed. results indicate that can greatly increase growth rate improve strengthening micro-arcing process accelerating coating’s fuse re-crystallisation. have thickness about 40 μm NaBO3 electrolyte after 50-min treatment. only 8 μm using electrolyte. Specifically, NaBO3–NaAlO2 achieves best resistance among all due ...
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