web.kaist.ac.kr/~nano

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

3. Mechanical Characterization of Nanostructures

11. Pressure-induced Phase Transformation

18. Thin Film and MEMS Structure – Mechanical Properties

23. 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

29. Biomechanics

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

33. 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

40. Newly Developed Technique

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

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

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

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

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

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

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

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