Experimental characterisation of mechanical behaviour for a TA2 welded joint using digital image correlation

2019 ◽  
Vol 115 ◽  
pp. 161-171 ◽  
Author(s):  
Peng-Yan Sun ◽  
Zhi-Kang Zhu ◽  
Chuan-Yi Su ◽  
Lei Lu ◽  
Chang-Yu Zhou ◽  
...  
Keyword(s):  
Digital Image Correlation ◽  
Digital Image ◽  
Mechanical Behaviour ◽  
Welded Joint ◽  
Image Correlation ◽  
Experimental Characterisation

Simulation of the Global Response of Welded Joint Using Digital Image Correlation Measurement

2013 ◽  
Vol 749 ◽  
pp. 597-600
Author(s):  
Chao He ◽  
Shi Ming Cui ◽  
Yan Zeng Wu ◽  
Ze Fu Luo ◽  
Qing Yuan Wang
Keyword(s):  
Digital Image Correlation ◽  
Tensile Test ◽  
Tensile Properties ◽  
Digital Image ◽  
Welded Joint ◽  
Pure Aluminum ◽  
Local Stress ◽  
Image Correlation ◽  
Global Response ◽  
Mechanical Heterogeneity

The effect of the mechanical heterogeneity on the global and local tensile properties of laser-arc hybrid welded joints in industrial pure aluminum has been investigated. Digital image correlation method has been used during tensile test for mapping the strain distribution and to determine the local stress-strain curves of FZ and HAZ. The tensile properties of the various regions are very heterogeneous and HAZ is the weakest region because of the strain localizes during tensile test. Finite element technique was used to model the global response of welded joint based on local constitutive properties which could be determined from DIC results.

scholarly journals Assessment of the mechanical behaviour of reinforcement bars with localised pitting corrosion by Digital Image Correlation

2020 ◽  
Vol 219 ◽  
pp. 110936
Author(s):  
E. Chen ◽  
Carlos G. Berrocal ◽  
Ignasi Fernandez ◽  
Ingemar Löfgren ◽  
Karin Lundgren
Keyword(s):  
Digital Image Correlation ◽  
Digital Image ◽  
Pitting Corrosion ◽  
Mechanical Behaviour ◽  
Image Correlation

scholarly journals Experimental characterisation of a cohesive zone model using digital image correlation

2010 ◽  
Vol 6 ◽  
pp. 43004
Author(s):  
V. Huon ◽  
V. Richefeu ◽  
W. Shuang ◽  
A. Chrysochoos ◽  
Y. Monerie ◽  
...  
Keyword(s):  
Digital Image Correlation ◽  
Digital Image ◽  
Cohesive Zone ◽  
Cohesive Zone Model ◽  
Image Correlation ◽  
Zone Model ◽  
Experimental Characterisation

scholarly journals The contribution of glycosaminoglycans to the mechanical behaviour of the posterior human sclera

2016 ◽  
Vol 13 (119) ◽  
pp. 20160367 ◽  
Author(s):  
Barbara J. Murienne ◽  
Michelle L. Chen ◽  
Harry A. Quigley ◽  
Thao D. Nguyen
Keyword(s):  
High Pressure ◽  
Digital Image Correlation ◽  
Digital Image ◽  
Mechanical Behaviour ◽  
Three Dimensional ◽  
Image Correlation ◽  
Strain Response ◽  
Buffer Solution ◽  
Stress Strain ◽  
Thickness Measurements

We characterized the structural and mechanical changes after experimental digestion of sulfated glycosaminoglycans (s-GAGs) in the human posterior sclera, using ultrasound thickness measurements and an inflation test with three-dimensional digital image correlation (3D-DIC). Each scleral specimen was first incubated in a buffer solution to return to full hydration, inflation tested, treated in a buffer solution with chondroitinase ABC (ChABC), then inflation tested again. After each test series, the thickness of eight locations was measured. After enzymatic treatment, the average scleral thickness decreased by 13.3% ( p < 0.001) and there was a stiffer overall stress–strain response ( p < 0.05). The stress–strain response showed a statistically significant increase in the low-pressure stiffness, high-pressure stiffness and hysteresis. Thus, s-GAGs play a measurable role in the mechanical behaviour of the posterior human sclera.

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