Indentation across size scales and disciplines: Recent developments in experimentation and modeling

A Gouldstone, N Chollacoop, M Dao, J Li, AM Minor… - Acta Materialia, 2007 - Elsevier
Indentation is a remarkably flexible mechanical test due to its relative experimental
simplicity. Coupled with advances in instrument development, ease of implementation has …

Cross-scale characterization of the elasticity of shales: Statistical nanoindentation and data analytics

S Luo, Y Lu, Y Wu, J Song, DJ DeGroot, Y Jin… - Journal of the …, 2020 - Elsevier
Shales are a class of multiscale, multiphase, hybrid inorganic-organic composite materials
exhibiting both frictional and cohesive behavior, and it is very challenging to characterize …

The nanogranular nature of C–S–H

G Constantinides, FJ Ulm - Journal of the Mechanics and Physics of Solids, 2007 - Elsevier
Despite its ubiquitous presence as binding phase in all cementitious materials, the
mechanical behavior of calcium–silicate–hydrates (C–S–H) is still an enigma that has …

Grid indentation analysis of composite microstructure and mechanics: Principles and validation

G Constantinides, KSR Chandran, FJ Ulm… - Materials Science and …, 2006 - Elsevier
Several composites comprise material phases that cannot be recapitulated ex situ, including
calcium silicate hydrates in cementitous materials, hydroxyapatite in bone, and clay …

Nanogranular packing of C–S–H at substochiometric conditions

M Vandamme, FJ Ulm, P Fonollosa - Cement and Concrete Research, 2010 - Elsevier
Herein, we present a comprehensive nanoindentation investigation of cement pastes
prepared at substoichiometric water-to-cement (w/c) mass ratios between 0.15 and 0.4 with …

Elemental partitioning and mechanical properties of Ti-and Ta-containing Co–Al–W-base superalloys studied by atom probe tomography and nanoindentation

I Povstugar, PP Choi, S Neumeier, A Bauer, CH Zenk… - Acta Materialia, 2014 - Elsevier
Elemental partitioning and hardness in Ti-and Ta-containing Co-base superalloys,
strengthened by γ′-Co 3 (Al, W) precipitates, have been studied by local measurements …

[HTML][HTML] Three-dimensional investigation of the texture and microstructure below a nanoindent in a Cu single crystal using 3D EBSD and crystal plasticity finite element …

N Zaafarani, D Raabe, RN Singh, F Roters, S Zaefferer - Acta Materialia, 2006 - Elsevier
This paper reports a three-dimensional (3D) study of the microstructure and texture below a
conical nanoindent in a (111) Cu single crystal at nanometer-scale resolution. The …

Nanoindentation analysis as a two-dimensional tool for mapping the mechanical properties of complex surfaces

NX Randall, M Vandamme, FJ Ulm - Journal of materials research, 2009 - cambridge.org
Instrumented indentation (referred to as nanoindentation at low loads and low depths) has
now become established for the single point characterization of hardness and elastic …

Application of nano-scratch technology to identify continental shale mineral composition and distribution length of bedding interfacial transition zone-A case study of …

L Yang, D Yang, M Zhang, S Meng, S Wang… - Geoenergy Science and …, 2024 - Elsevier
Bedding is the smallest macroscopic layer in a sedimentary sequence, usually containing
different mineral compositions and ranging in thickness from a few tens of micrometers to a …

Does microstructure matter for statistical nanoindentation techniques?

FJ Ulm, M Vandamme, HM Jennings, J Vanzo… - Cement and Concrete …, 2010 - Elsevier
In their paper, Trtik et al.(2009) identify spurious peaks in the application of statistical
nanoindentation technique as a critical obstacle for mechanical phase identification. In this …