IMECH-IR  > 力学所知识产出(1956-2008)
Methods of Obtaining Instantaneous Modulus of Viscoelastic Solids Using Displacement-Controlled Instrumented Indentation with Axisymmetric Indenters of Arbitrary Smooth Profiles
Cheng YT; Zheng ZM(郑哲敏); Ni WY; Cheng, YT (reprint author), GM Corp, Ctr Res & Dev, Mat & Proc Lab, Warren, MI 48090 USA.
Source PublicationMaterials Science and Engineering A-Structural Materials Properties Microstructure and Processing,2006,423(1):2-7
2006
ISSN0921-5093
AbstractWe derive a relationship between the initial unloading slope, contact depth, and the instantaneous relaxation modulus for displacement-controlled indentation in linear viscoelastic solids by a rigid indenter with an arbitrary axisymmetric smooth profile. While the same expression is well known for indentation in elastic and in elastic–plastic solids, we show that it is also true for indentation in linear viscoelastic solids, provided that the unloading rate is sufficiently fast. When the unloading rate is slow, a “hold” period between loading and unloading can be used to provide a correction term for the initial unloading slope equation. Finite element calculations are used to illustrate the methods of fast unloading and “hold-at-the-maximum-indenter-displacement” for determining the instantaneous modulus using spherical indenters.
Subject Area力学
DOI10.1016/j.msea.2005.09.134
Indexed BySCI ; EI
Language英语
WOS IDWOS:000237817400002
WOS KeywordDEPTH-SENSING INDENTATION ; INITIAL UNLOADING SLOPE ; ELASTIC-MODULUS ; SPHERICAL INDENTATION ; CONTACT PROBLEM ; LINEAR THEORY ; HALF-SPACE ; LOAD ; NANOINDENTATION ; CREEP
WOS Research AreaScience & Technology - Other Topics ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectNanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
Citation statistics
Cited Times:18[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/17691
Collection力学所知识产出(1956-2008)
Corresponding AuthorCheng, YT (reprint author), GM Corp, Ctr Res & Dev, Mat & Proc Lab, Warren, MI 48090 USA.
Recommended Citation
GB/T 7714
Cheng YT,Zheng ZM,Ni WY,et al. Methods of Obtaining Instantaneous Modulus of Viscoelastic Solids Using Displacement-Controlled Instrumented Indentation with Axisymmetric Indenters of Arbitrary Smooth Profiles[J]. Materials Science and Engineering A-Structural Materials Properties Microstructure and Processing,2006,423(1):2-7,2006.
APA Cheng YT,郑哲敏,Ni WY,&Cheng, YT .(2006).Methods of Obtaining Instantaneous Modulus of Viscoelastic Solids Using Displacement-Controlled Instrumented Indentation with Axisymmetric Indenters of Arbitrary Smooth Profiles.Materials Science and Engineering A-Structural Materials Properties Microstructure and Processing,2006,423(1):2-7.
MLA Cheng YT,et al."Methods of Obtaining Instantaneous Modulus of Viscoelastic Solids Using Displacement-Controlled Instrumented Indentation with Axisymmetric Indenters of Arbitrary Smooth Profiles".Materials Science and Engineering A-Structural Materials Properties Microstructure and Processing,2006,423(1):2-7 (2006).
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