Nano Indentation Lecture2

Do Kyung Kim Department of Materials Science and Engineering KAIST, Korea Nanoindentation Lecture 2 Case Study

Applications of nanoindentation ,[object Object],[object Object],[object Object],[object Object],[object Object]

Mechanical Characterization of Nanostructures

Carbon Nanotube (1) ,[object Object],[object Object],Sample A Sample B Sample C Gleason, J Mech Phys Solids, 2003

Carbon Nanotube (2) ,[object Object],[object Object],Gleason, J Mech Phys Solids, 2003

Silver Nanowire (1) ,[object Object],[object Object],[object Object],Caswell, Nano Letters, 2003

Silver Nanowire (2) ,[object Object],[object Object],[object Object],Caswell, Nano Letters, 2003

ZnO and SnO2 nanobelt (1) ,[object Object],[object Object],Wang, APL, 2003

ZnO and SnO2 nanobelt (2) ,[object Object],[object Object],Wang, APL, 2003

Pressure-induced Phase Transformation

Silicon (1) ,[object Object],[object Object],[object Object],Gogotsi, J Mater Res, 2004

Silicon (2) ,[object Object],Gogotsi, J Mater Res, 2004

Silicon (3) ,[object Object],[object Object],1 mN/s 5 mN/s Gogotsi, J Mater Res, 2004

Silicon (4) ,[object Object],[object Object],[object Object],Gogotsi, J Mater Res, 2004

Germanium (1) ,[object Object],[object Object],[object Object],Pharr, APL, 2005

Germanium (2) ,[object Object],[object Object],[object Object],Pharr, APL, 2005

Thin Film and MEMS Structure – Mechanical Properties

MEMS structure (1) ,[object Object],[object Object],[object Object],[object Object],Li, Ultramicroscopy, 2003

MEMS structure (2) ,[object Object],[object Object],Lee, J Kor Ceram Soc, 2003

Thin films – Al (1) ,[object Object],[object Object],[object Object],Moris Jr, J Mater Res, 2004

Thin films – Al (2) ,[object Object],[object Object],Moris Jr, J Mater Res, 2004

Thin films – Al (3) Before indentation After indentation with same direction After indentation with tilted direction (dislocation in entire grain) Moris Jr, J Mater Res, 2004

Residual stress (1) ,[object Object],[object Object],[object Object],[object Object],Suresh, Acta Mater, 1998

Residual stress (2) ,[object Object],[object Object],Suresh, Acta Mater, 1998

Residual stress (3) ,[object Object],Suresh, Acta Mater, 1998

Superlattice (1) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Scott, MRS bulletin, 2003

Superlattice (2) ,[object Object],Scott, MRS bulletin, 2003

Dental hard tissue (1) Anisotropic structure of enamel Swain, J Mater Res, 2006

Dental hard tissue (1) ,[object Object],[object Object]

Dental hard tissue (3) ,[object Object]

Dental hard tissue (4) Weihs, Archives of Oral Biology, 2002 Nanoindentation mapping of enamel tooth structure Lingual Buccal Pulp Dentin Hardness (GPa) 2.5 3 3.5 4.0 4.5 5 5.5 6 Lingual Buccal Pulp Dentin Elastic Modulus (GPa) 110 100 90 80 70 60 50 120

Human bone (1) ,[object Object],Goldstein, J Biomech, 1999

Human bone (2) ,[object Object],[object Object],Goldstein, J Biomech, 1999

Biocomposite (1) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Marcolongo, IEEE Bioeng, 2004

Biocomposite (2) ,[object Object],[object Object],[object Object],[object Object],Marcolongo, IEEE Bioeng, 2004

Biocomposite (3) ,[object Object],Marcolongo, IEEE Bioeng, 2004

Biocomposite (4) ,[object Object],Marcolongo, IEEE Bioeng, 2004

Cross-section of indentation damage(1) Indentation Pt Fast mill Tilt Markers Slow mill Lift-off Bradby, 2004 ,[object Object]

Cross-section of indentation damage(2) Fast unloading Slow unloading Slip line Misc. defect Extended defect Bradby, 2004 Silicon

Cross-section of indentation damage(3) GaAs InP Bradby, 2004

Cross-section of indentation damage(4) GaN ZnO Bradby, 2004

In-situ nanoindentation in SEM (1) Utke, 2006

In-situ nanoindentation in SEM (2) ,[object Object],Partial correlation between shear band formation and displacement burst in P-h curve. Utke, 2006

In-situ nanoindentation in SEM (3) ,[object Object],Utke, 2006

In-situ nanoindentation in SEM (4) Silicon pillar Median crack Basal crack Buckling Utke, 2006

In-situ nanoindentation in TEM (1) Minor, 2002

In-situ nanoindentation in TEM (2) Minor, 2002

In-situ nanoindentation in TEM (3) Before After Minor, 2002

Concluding remarks ,[object Object]

Nano Indentation Lecture2

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