Multilayered systems of nanostructured TiB<sub>2</sub> thin films and its mechanical properties

ผู้แต่ง

  • Nurot Panich Metallurgy and Materials Science Research Institute, Chulalongkorn University
  • Panyawat Wangyao Metallurgy and Materials Science Research Institute, Chulalongkorn University
  • Supot Hannongbua Metallurgy and Materials Science Research Institute, Chulalongkorn University
  • Prasonk Sricharoenchai Faculty of Engineering, Chulalongkorn University
  • Yong Sun School of Engineering & Technology, De Montfort University

คำสำคัญ:

titanium diboride coating, multilayer, magnetron sputtering, hardness, adhesion

บทคัดย่อ

This study focuses on the development of single and multilayer TiB2 coatings with Ti interlayer with the aim of improving the mechanical integrity of the coating-substrate system. The nanostructured TiB2 thin films and multilayered coatings were deposited on high speed steel substrates by magnetron sputtering. The resultant coating systems were evaluated with respect to microstructure, fractured cross-section and fundamental properties such as cross-sectioned fracture, surface roughness, hardness, modulus and coating adhesion to the substrate. It was found that the adhesion strength of TiB2 coating to HSS substrate could be significantly enhanced in the multilayer system, and by a proper combination of alternate Ti and TiB2 layers, an optimal enhancement in adhesion could be achieved. The effects of alternate layers on other structural and property features of the resultant coatings are also discussed in this paper.

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เอกสารอ้างอิง

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ดาวน์โหลด

เผยแพร่แล้ว

2017-04-16

ฉบับ

บท

Original Research Articles

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