My watch list
my.chemeurope.com  
Login  

Materials, Vol. 11, Pages 758: Design and Performance of Property Gradient Ternary Nitride Coating Based on Process Control

Materials, Vol. 11, Pages 758: Design and Performance of Property Gradient Ternary Nitride Coating Based on Process Control

Materials doi: 10.3390/ma11050758

Authors: Pei Yan Kaijie Chen Yubin Wang Han Zhou Zeyu Peng Li Jiao Xibin Wang

Surface coating is an effective approach to improve cutting tool performance, and multiple or gradient coating structures have become a common development strategy. However, composition mutations at the interfaces decrease the performance of multi-layered coatings. The key mitigation technique has been to reduce the interface effect at the boundaries. This study proposes a structure design method for property-component gradient coatings based on process control. The method produces coatings with high internal cohesion and high external hardness, which could reduce the composition and performance mutations at the interface. A ZrTiN property gradient ternary nitride coating was deposited on cemented carbide by multi-arc ion plating with separated Ti and Zr targets. The mechanical properties, friction behaviors, and cutting performances were systematically investigated, compared with a single-layer coating. The results indicated that the gradient coating had better friction and wear performance with lower wear rate and higher resistance to peeling off during sliding friction. The gradient coating had better wear and damage resistance in cutting processes, with lower machined surface roughness Ra. Gradient-structured coatings could effectively inhibit micro crack initiation and growth under alternating force and temperature load. This method could be extended to similar ternary nitride coatings.

Authors:   Yan, Pei ; Chen, Kaijie ; Wang, Yubin ; Zhou, Han ; Peng, Zeyu ; Jiao, Li ; Wang, Xibin
Journal:   Materials
Volume:   11
edition:   5
Year:   2018
Pages:   758
DOI:   10.3390/ma11050758
Publication date:   09-May-2018
Facts, background information, dossiers
  • interfaces
More about Molecular Diversity Preservation International
Your browser is not current. Microsoft Internet Explorer 6.0 does not support some functions on Chemie.DE