Indentation method for measuring the viscoelastic kernel function of nonlinear viscoelastic soft materials

2013 ◽  
Vol 28 (6) ◽  
pp. 806-816 ◽  
Author(s):  
Yan-Ping Cao ◽  
Man-Gong Zhang ◽  
Xi-Qiao Feng
Keyword(s):  
Kernel Function ◽  
Soft Materials ◽  
Indentation Method ◽  
Nonlinear Viscoelastic ◽  
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Using electrets to design concurrent magnetoelectricity and piezoelectricity in soft materials

2014 ◽  
Vol 30 (1) ◽  
pp. 93-100 ◽  
Author(s):  
Zeinab Alameh ◽  
Qian Deng ◽  
Liping Liu ◽  
Pradeep Sharma
Keyword(s):  
Soft Materials ◽  
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scholarly journals Unveiling Temporal Nonlinear Structure–Rheology Relationships under Dynamic Shearing

Polymers ◽  
2019 ◽  
Vol 11 (7) ◽  
pp. 1189 ◽  
Author(s):  
Johnny Ching-Wei Lee ◽  
Lionel Porcar ◽  
Simon A. Rogers
Keyword(s):  
3D Structure ◽  
Uniaxial Extension ◽  
Soft Materials ◽  
Equilibrium Structure ◽  
Nonlinear Structure ◽  
Natural Approach ◽  
Viscoelastic Parameters ◽  
3D Space ◽  
Nonlinear Viscoelastic ◽  
Dynamic Shearing

Understanding how microscopic rearrangements manifest in macroscopic flow responses is one of the central goals of nonlinear rheological studies. Using the sequence-of-physical-processes framework, we present a natural 3D structure–rheology space that temporally correlates the structural and nonlinear viscoelastic parameters. Exploiting the rheo-small-angle neutron scattering (rheo-SANS) techniques, we demonstrate the use of the framework with a model system of polymer-like micelles (PLMs), where we unveil a sequence of microscopic events that micelles experience under dynamic shearing across a range of frequencies. The least-aligned state of the PLMs is observed to migrate from the total strain extreme toward zero strain with increasing frequency. Our proposed 3D space is generic, and can be equally applied to other soft materials under any sort of deformation, such as startup shear or uniaxial extension. This work therefore provides a natural approach for researchers to study complex out-of-equilibrium structure–rheology relationships of soft materials.

A multi-indent approach to detect the surface of soft materials during nanoindentation

2016 ◽  
Vol 31 (17) ◽  
pp. 2672-2685 ◽  
Author(s):  
Jie Wei ◽  
Barbara L. McFarlin ◽  
Amy J. Wagoner Johnson
Keyword(s):  
Soft Materials ◽  
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On a class of Volterra and Fredholm non-linear integral equations

1976 ◽  
Vol 79 (2) ◽  
pp. 329-335 ◽  
Author(s):  
P. J. Bushell
Keyword(s):  
Integral Equations ◽  
Kernel Function ◽  
Existence And Uniqueness ◽  
Volterra Integral Equations ◽  
Fredholm Equations ◽  
Non Linear ◽  
Linear Volterra Integral Equations ◽  
Linear Integral ◽  
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Linear Integral Equations

This paper concerns the existence and uniqueness of non-negative solutions of non-linear Volterra integral equations of the typeandwhere the kernel function k(.,.) is non-negative and sufficiently smooth, and either 0 < p < 1 or – 1 < p < 1. We will consider also the corresponding Fredholm equationsand

scholarly journals Spherical indentation method for estimating equibiaxial residual stress and elastic–plastic properties of metals simultaneously

2018 ◽  
Vol 33 (8) ◽  
pp. 884-897 ◽  
Author(s):  
Guangjian Peng ◽  
Zhike Lu ◽  
Yi Ma ◽  
Yihui Feng ◽  
Yong Huan ◽  
...  
Keyword(s):  
Residual Stress ◽  
Spherical Indentation ◽  
Indentation Method ◽  
Plastic Properties ◽  
Elastic Plastic ◽  
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scholarly journals Three-dimensional printing of biomaterials and soft materials

MRS Bulletin ◽  
2015 ◽  
Vol 40 (12) ◽  
pp. 1162-1169 ◽  
Author(s):  
Amit Bandyopadhyay ◽  
Sahar Vahabzadeh ◽  
Anish Shivaram ◽  
Susmita Bose
Keyword(s):  
Three Dimensional ◽  
Soft Materials ◽  
Three Dimensional Printing ◽  
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Dimensional Printing

Abstract

An indentation method for evaluation of residual stress: ESTIMATION of stress-free indentation curve using stress-independent indentation parameters

2019 ◽  
Vol 34 (07) ◽  
pp. 1103-1111 ◽  
Author(s):  
Jong-hyoung Kim ◽  
Sungki Choi ◽  
Junsang Lee ◽  
Hee-Jun Ahn ◽  
Young-Cheon Kim ◽  
...  
Keyword(s):  
Residual Stress ◽  
Indentation Method ◽  
Indentation Curve ◽  
Stress Estimation ◽  
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scholarly journals Analysis of nanoindentation of soft materials with an atomic force microscope

2011 ◽  
Vol 27 (1) ◽  
pp. 229-237 ◽  
Author(s):  
Jacob Notbohm ◽  
Benny Poon ◽  
Guruswami Ravichandran
Keyword(s):  
Atomic Force Microscope ◽  
Soft Materials ◽  
Atomic Force ◽  
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Abstract

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