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Deformation model of brittle and ductile materials under nano-indentation

Lin, Y.C. / Weng, Y.J. / Pen, D.J. / Li, H.C.

AbstractThis study proposes a deformation model to elucidate the deformation behaviors of buck materials during various stages of nano-indentation processes. The deformation model presented in this work can be employed to explain the variation of nanohardness with loading conditions, and to elucidate the pop-in phenomenon during nano-indentation. The effect of holding time on hardness is also explained. Brittle materials, Si wafer, and a ductile material, Al single crystal, are used as test specimens in nano-indentation. The experimental results demonstrate that the deformation mechanism developed in this investigation can explain the deformation phenomena of such materials on the nano-scale.

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Deformation model of brittle and ductile materials under nano-indentation

Lin, Y.C. / Weng, Y.J. / Pen, D.J. / Li, H.C.

AbstractThis study proposes a deformation model to elucidate the deformation behaviors of buck materials during various stages of nano-indentation processes. The deformation model presented in this work can be employed to explain the variation of nanohardness with loading conditions, and to elucidate the pop-in phenomenon during nano-indentation. The effect of holding time on hardness is also explained. Brittle materials, Si wafer, and a ductile material, Al single crystal, are used as test specimens in nano-indentation. The experimental results demonstrate that the deformation mechanism developed in this investigation can explain the deformation phenomena of such materials on the nano-scale.

Deformation model of brittle and ductile materials under nano-indentation

Lin, Y.C. / Weng, Y.J. / Pen, D.J. / Li, H.C.

AbstractThis study proposes a deformation model to elucidate the deformation behaviors of buck materials during various stages of nano-indentation processes. The deformation model presented in this work can be employed to explain the variation of nanohardness with loading conditions, and to elucidate the pop-in phenomenon during nano-indentation. The effect of holding time on hardness is also explained. Brittle materials, Si wafer, and a ductile material, Al single crystal, are used as test specimens in nano-indentation. The experimental results demonstrate that the deformation mechanism developed in this investigation can explain the deformation phenomena of such materials on the nano-scale.

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Title:

Deformation model of brittle and ductile materials under nano-indentation

Contributors:

Lin, Y.C. (author) / Weng, Y.J. (author) / Pen, D.J. (author) / Li, H.C. (author)

Publication date:

2008-07-16

Size:

7 pages

ISSN:

DOI:

https://doi.org/10.1016/j.matdes.2008.07.028

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

Keywords:

Mechanical properties (E) , Elastic behavior (F) , Plastic behavior (F)

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