In:
Acta Physica Sinica, Acta Physica Sinica, Chinese Physical Society and Institute of Physics, Chinese Academy of Sciences, Vol. 69, No. 10 ( 2020), p. 107202-
Kurzfassung:
The experiment is based on novel magnetic filtered cathodic vacuum arc (FCVA) technology, the effects of the structure and C contents of TiAlCN/TiAlN/TiAl composite coating on anticorrosion and wear resistance were studied. The macro/micro properties of the coatings were systematically characterized by SEM, XRD, XPS, electrochemical tests and friction equipment. The results show that, with the increase of C content,the form of C element in the coatings transforms from the TiAlCN solid solution to the coexistence of crystallized TiAlCN/amorphous carbon. The TiAlCN/TiAlN/TiAl coating with TiAlCNcrystallized/amorphous carbon nanocomposite structure demonstrated excellent performanceby combining the advantages of each layer, which the hardness reaches an ultrahigh leveland the amorphous carbonwith excellent self-lubricating effect exists in the coating structure. In 3.5% NaCl electrochemical corrosion test, 〈i〉E〈/i〉〈sub〉corr〈/sub〉 increased by 5.6 times to 0.271 V, 〈i〉I〈/i〉〈sub〉corr〈/sub〉 decreased by 1/52 to 8.092 ×10〈sup〉–9〈/sup〉 A·cm〈sup〉–2〈/sup〉. During the dry sliding, friction coefficient decreased by 1/3 to 0.43, and wear rate decreased by 1/1.4 to 1.13×10〈sup〉–5〈/sup〉 mm〈sup〉3〈/sup〉·N〈sup〉–1〈/sup〉·m〈sup〉–1〈/sup〉.
Materialart:
Online-Ressource
ISSN:
1000-3290
,
1000-3290
DOI:
10.7498/aps.69.20200012
Sprache:
Unbekannt
Verlag:
Acta Physica Sinica, Chinese Physical Society and Institute of Physics, Chinese Academy of Sciences
Publikationsdatum:
2020
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