INDENTATION DEPTH DEPENDENT HARDNESS IN POLYDIMETHYLSILOXANE

被引：0
作者：
Han, Chung-Souk [1 ]
Wrucke, Andrew J. [1 ]
Majumdar, Partha [2 ]
机构：
[1] Univ Wyoming, Laramie, WY 82071 USA
[2] North Dakota State Univ, Fargo, ND USA
来源：
PROCEEDINGS OF THE ASME INTERNATIONAL MECHANICAL ENGINEERING CONGRESS AND EXPOSITION, 2011, VOL 1 | 2012年
基金：
美国国家科学基金会;
关键词：
STRAIN GRADIENT PLASTICITY; POLYMERS;
D O I：
暂无
中图分类号：
V [航空、航天];
学科分类号：
08 ; 0825 ;
摘要：
Size dependent deformation in polymers has been observed in various experiments including microbeam bending, foams, composites and indentation. For indentation depths from 100 microns down to hundreds of nanometers strong increases in the hardness has been observed where the hardness has been determined with a Berkovich indenter tip on polydimethylsiloxane. These observations are related to other existing experimental data of the literature and possible rationales for these indentation size effects are discussed.
引用
收藏
页码：781 / +
页数：2
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