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YANG Li, ZHAI Chang-sheng, WANG Bin, WANG Jun, SHA Fei, SUN Bao-de. Application of Nanoindentation Technique to Characterization of Anisotropy of Detonation Sprayed Al2O3/3%TiO2 Coatings[J]. Materials and Mechanical Engineering, 2006, 30(5): 95-98.
Citation: YANG Li, ZHAI Chang-sheng, WANG Bin, WANG Jun, SHA Fei, SUN Bao-de. Application of Nanoindentation Technique to Characterization of Anisotropy of Detonation Sprayed Al2O3/3%TiO2 Coatings[J]. Materials and Mechanical Engineering, 2006, 30(5): 95-98.
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Application of Nanoindentation Technique to Characterization of Anisotropy of Detonation Sprayed Al2O3/3%TiO2 Coatings

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  • Received Date: March 04, 2005
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    • Abstract
  • The microstructure and indentation load-displacement behavior of sprayed Al2O3/3%TiO2 coating were investigated.In comparison with the surface of the coating,the cross-section of the coating had more pores with bigger size and more unhomogeneous distribution.The anisotropic microstructure of the coating led to apparently anisotropic mechanical properites such as plasticity,elasticity,hardness and Youngs modulus.However,the surface of the coating had better ability to resist applied load and better elastic recovery after unloading than the cross-section.The hardness and Youngs modulus of the surface of the coating were 10.3 GPa and 170.7 GPa,respectively.While those of the cross-section of the coating were 2.9 GPa and 234.5 GPa.
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    • References (19)
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