Experimental measurement of the crack tip strain field in a single ...

3D characterization of kinematic fields and poroelastic swelling near ...

In this work, we measure the kinematic fields near the tip of a slowly propagating planar crack and highlight the substantial swelling at the ...

Crack-Tip Singularity Fields in Nonlinear Fracture Mechanics

the near-tip behavior of one such configuration with another and with small scale yielding. There is numerical and experimental evidence that plane strain.

Application of high‐performance DIC for a comprehensive ...

The full-field displacement is compared to a finite-element model (FEM) simulating the actual crack contour measured by the DIC system. The ...

Quantifying crack tip displacement fields with DIC

acterising crack tip stress fields from displacement field measurements. ... experimental displacement data obtained from DIC measurements. 3.1.1 ...

Analysis of the strain field in the vicinity of a crack-tip in an in-plane ...

before onset of the final fracture (i.e., localization), the experimental measured normal strain in the near-tip region is around 60% higher than the ...

Theoretical and Applied Fracture Mechanics - Estudo Geral

On the experimental characterisation of crack tip displacement fields on ... In particular, the combination of experimentally measured crack tip ...

Modeling of crack tip fields and fatigue crack growth in fcc crystals

... crack tip stress fields in elastic-perfectly plastic single crystals, Int. J ... Shield, An experimental study of the plastic strain fields near a notch tip ...

Crack Tip Fields in a Single Edge Notched Aluminum Single Crystal ...

We report a combined experimental and computational study of a low constraint aluminum single crystal fracture geometry and investigate the ...

PEARL Crack tip fields 4 - University of Plymouth Research Portal

Single parameter characterisation of the crack/notch tip field ... - the use of full field experimental measurement techniques (volumetric as well as surface) has ...

Crack path tracking from full field measurements - HAL

Since defining a crack tip location using only experimental ... Measurements of strain fields around crack tips under proportional and non- ...

Conditions near a crack tip: Advanced - Scribd

quantifying deformation stress fields from the bulk level down to the individual dislocation. ... improved to enable stress mapping during in situ experiments.

Controlled initiation of short fatigue cracks in 316L steel

Validation of models for short crack behavior requires accurate measurement of crack opening displacement and crack tip strain fields.

Experimental Study on Crack Propagation of Concrete Under ...

The crack opening displacement (COD) and the evolution of FPZ were determined based on the whole field displacement. The results show that the ...

Overload effects on local fatigue crack-tip strain fields in plane stress ...

[5, 6], crack blunting [7], and crack deflection [8]. To date, experimental measurements of crack closure have been inconclusive and have ...

Breakdown of Linear Elastic Fracture Mechanics near the Tip of a ...

We present high resolution measurements of the displacement and strain fields near the tip of a dynamic (mode I) crack. The experiments are ...

Experimental Investigation of Crack Propagation and Strain Fields ...

... crack initiation and propagation in 5A05 aluminum alloy. The microscale strain fields around the crack tip were measured by using the geometric phase ...

Measurement of Crack Length in Width Tapered Beam Experiments

Because fracture energy varies as the square of crack length, imprecise crack tip length results in large measurement uncertainties. ... measure a single fracture.

The Elastic Stress Field around a Crack Tip - Elsevier

These basic fracture modes are usually called Mode I, Mode II, and Mode. III, respectively, and any fracture mode in a cracked body may be described by one of ...

The evolution of crack-tip stresses during a fatigue overload event

Crack-tip residual stresses under plane stress have been measured at the surface using X-rays [12]. While the measurement of stress fields in ...

Experimental study of the deformation near a notch tip in copper and ...

2009, International Journal of Fracture. Experimental measurement of the crack tip strain field in a single crystal. X. M. Li, F. Chiang, J ...