S111035 Measurement of Surface Crack Opening Displacement Using Digital Image Correlation Method

2013 ◽  
Vol 2013 (0) ◽  
pp. _S111035-1-_S111035-4
Author(s):  
Keiji YAMAMOTO ◽  
Yuichi ONO ◽  
Satoshi SHIRAHASE ◽  
Kouitsu MIYACHIKA
Keyword(s):  
Digital Image Correlation ◽  
Crack Opening Displacement ◽  
Digital Image ◽  
Surface Crack ◽  
Crack Opening ◽  
Correlation Method ◽  
Image Correlation ◽  
Opening Displacement ◽  
Digital Image Correlation Method

Evaluation of Interlaminar Damage and Crack Propagation through Digital Image Correlation Method

2008 ◽  
Vol 399 ◽  
pp. 105-112
Author(s):  
Dan Mihai Constantinescu ◽  
Marin Sandu ◽  
Liviu Marsavina ◽  
Radu Negru ◽  
Matei Constantin Miron ◽  
...  
Keyword(s):  
Digital Image Correlation ◽  
Crack Propagation ◽  
Digital Image ◽  
Crack Tip ◽  
Correlation Method ◽  
Image Correlation ◽  
Crack Tip Opening Displacement ◽  
Opening Displacement ◽  
Unstable Crack ◽  
Digital Image Correlation Method

Interface damage characterization and interlaminar failure of sandwich specimens with two initial interlaminar defects (inserts) is done by using the digital image correlation method. Mode I tests reveal interesting particularities on damage localization and unstable crack propagation. After analyzing the experimentally obtained results, we propose as a failure parameter the local strain at the crack tip or, alternatively, the crack tip opening displacement which quantifies the non-linear phenomena.

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