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Study of SiC’s Mechanical Property Variance Caused by Film Thickness
Abstract:
The mechanical properties of SiC thin films deposited by chemical vapor deposition process on silicon substrate are studied using nanoindentation techniques. The SiC thin films are of three different thicknesses: 1.6μm、4.5μm、9μm. In this study, nanoindentation method is preferred due to its reliability and accuracy on determining mechanical properties from indentation load-displacement data. The mechanical properties of elastic modulus and hardness are characterized. 1.6μm SiC thin film has the following values: E=345.73Gpa, H=33.71Gpa; 4.5μm SiC thin film has the following values: E=170.18Gpa, H=10.33Gpa; 9μm SiC thin film: E=167.96Gpa, H=9.48Gpa
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Pages:
400-404
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Online since:
May 2015
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