Search
Search Results
-
PRISMS-Indentation: Multi-scale Elasto-Plastic Virtual Indentation Module
Indentation testing has played a major role for many materials design processes as a convenient and relatively cheap experiment. However, extracting...
-
Equivalent-Volume Model: Estimating Contact Morphology of Spherical Indentation for Metallic Materials
In contrast with elastic deflection in instrumented indentation, the accurate estimation of plastic pile-up height around the indenter in metallic...
-
Indentation and Scratching on the Nanoscale
Indentation and scratching of Fe, as a model of ferritic steels, are studied by atomistic simulation and experiment. The modeling allows to include...
-
Uncertainties in the representative indentation stress and strain using spherical nanoindentation
In this study, we reviewed the definitions of indentation strain and stress proposed from earlier studies and then calculated indentation...
-
Dislocation structure during nano-indentation and surface topographic maps
Dislocation structure evolution during nano-indentation is investigated using a three-dimensional multi-scale discrete dislocation plasticity model....
-
Elastic Modulus Prediction from Indentation Using Machine Learning: Considering Tip Geometric Imperfection
Instrumented indentation technique provides a simple and quick means to investigate mechanical properties such as hardness and elastic modulus near...
-
High frequency indentation fatigue behavior of GH4169 alloy at small length scale using nanoindentation
High frequency fatigue behavior of near surface of turbine disk are critical for its application and operation. High frequency indentation fatigue...
-
Indentation size effects in hardness of annealed NiB coatings
Nix–Gao’s factor (81/2) was replaced with (4.5C t 2 ) using variable constraint factor (C t ) for size-dependent analysis of crystalline coatings....
-
On the correlation between the stress exponent for creep determined by nanoindentation and the mechanism of action enabling stress relief in indium
Instrumented indentation performed at room temperature with a Berkovich and 10 μm radius sphere has been used to measure the stress exponent for...
-
Relationships in instrumented indentation by Berkovich indenter
The relationships among the ratio of indentation hardness H IT over reduced elastic modulus E r , the ratio of elastic work W e over total work W t , and...
-
On Extracting Stress–Strain Curves of Porous Multi-Phase Sintered Steels by Microindentation
The efficient characterization of material properties of porous multi-phase sintered steels by instrumental indentation is still an open question. To...
-
Indentation size effect in 2nd and 3rd generation advanced intermetallic TiAl alloys: theoretical and experimental estimation of dislocation density
The present study focuses on characterizing the mechanical properties of as-cast and heat-treated 2nd and 3rd generation intermetallic TiAl alloys,...
-
Peridynamic simulations of damage in indentation and scratching of 3C-SiC
The cubic silicon carbide (3C-SiC) has broad application prospects due to its excellent properties. The modeling of damage in 3C-SiC due to contact...
-
Toward the correlation of indentation hardness in micro- and nano-scale: understanding of indentation edge behaviors in Fe–Cr alloys
Nanoindentation hardness tests are used to measure indentation hardness at the micro- and nanoscales and further to predict Vickers hardness on...
-
Stress–strain relationships and yielding of metal-organic framework monoliths
Metal-organic frameworks (MOFs) have emerged as a versatile material platform for a wide range of applications. However, the development of practical...
-
On the Behavior of Mechanical Stress Fields at Indentation of Materials with Residual Stresses
It is an obvious fact that residual stresses can have a detrimental effect on the mechanical integrity of structures. Measuring such stresses can...
-
Nanoindentation study on helium-irradiated graphene–aluminum composite: Indentation size effect, creep behavior, and their implications for coating–substrate systems
We carried out systematic nanoindentation measurements on nanolaminated graphene (reduced graphene oxide, RGO)–aluminum (Al) composite irradiated...
-
Self-calibration in compliance and indenter tip defect for instrumented indentation
The accuracy in the determination of the mechanical properties by instrumented indentation strongly depends on the indenter/material contact area,...
-
Prediction of Mechanical Properties of Sensitized Stainless Steel by Neural Network Modeling and Validation Using Ball Indentation Test
Elevated temperature sensitization of a 304 stainless steel results in degradation of mechanical properties and becomes prone to premature failure....
-
Numerical Prediction of Quasi-Static Compression, Indentation Impact and Shock Loading Behaviour of Aluminium Foam Using Idealized Cell Geometry
Three-dimensional model of closed cell foam based on idealized geometry is developed and used to study its response under quasi-static compression,...
