Record number :
2149032
Title of article :
Relationships between initial unloading slope, contact depth, and mechanical properties for spherical indentation in linear viscoelastic solids
Author/Authors :
Cheng، نويسنده , , Yang-Tse and Cheng، نويسنده , , Che-Min، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2005
Pages :
7
From page :
93
To page :
99
Abstract :
Using analytical and finite element modeling, we examine the relationships between initial unloading slope, contact depth, and mechanical properties for spherical indentation in viscoelastic solids with either displacement or load as the independent variable. We then investigate whether the Oliver–Pharr method for determining the contact depth and contact radius, originally proposed for indentation in elastic and elastic–plastic solids, is applicable to spherical indentation in viscoelastic solids. Finally, the analytical and numerical results are used to answer questions raised in recent literature about measuring viscoelastic properties from instrumented spherical indentation experiments.
Keywords :
viscoelastic , Indentation , mechanical properties , contact mechanics , Finite element , MODELING
Journal title :
MATERIALS SCIENCE & ENGINEERING: A
Journal title :
MATERIALS SCIENCE & ENGINEERING: A
Serial Year :
2005
Link To Document :
بازگشت