Improving the Bonding Strength of Y2O3 Coatings on Steel Substrates through a YOX Adhesion Layer

Wei Ling Lv; Jun Liu; Tao Tang; Ling Yang; Rong Lei; Li Jie Qiao; Jiang Li Cao

doi:10.4028/www.scientific.net/MSF.686.637

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HomeMaterials Science ForumMaterials Science Forum Vol. 686Improving the Bonding Strength of Y2O3 Coatings on...

Improving the Bonding Strength of Y₂O₃ Coatings on Steel Substrates through a YO_X Adhesion Layer

Abstract:

Y₂O₃/YO_x composite coatings with different YO_x adhesion layers were fabricated on 316L stainless steel substrates through reactive magnetron sputtering. The YO_x adhesion layers were deposited by radio frequency reactive magnetron sputtering with different oxygen partial pressures at a total pressure of 1.2 Pa. The Y₂O₃ coatings were deposited by bipolar pulse reactive magnetron sputtering. The relationships between the microstructures, phase compositions, interfacial adhesion of the composite coatings and the oxygen partial pressure used for deposition of the YO_x adhesion layers were investigated. The microstructures and phase compositions of the coatings were characterized by scanning electronic microscopy and X-ray diffraction. The bonding strength of the coatings was measured by scratch tester. The results showed that the bonding strength of the Y₂O₃/YO_x composite coatings reached the maximum value when the oxygen partial pressure was 0.18 Pa.

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Materials Science Forum (Volume 686)

Pages:

637-640

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.686.637

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Online since:

June 2011

Authors:

Wei Ling Lv, Jun Liu, Tao Tang, Ling Yang, Rong Lei, Li Jie Qiao, Jiang Li Cao

Keywords:

Adhesion Layer, Bonding Strength, Magnetron Sputtering, Yttrium Oxide

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