On the experimental estimation of CTOD fracture parameter using SE(T) specimens based upon only one clip gauge measurement

2021 ◽  
pp. 107856
Author(s):  
Marcus Nathan Silvestre ◽  
Stijn Hertelé ◽  
Diego F.B. Sarzosa
Keyword(s):  
Fracture Parameter ◽  
Experimental Estimation ◽  
Gauge Measurement

Rubber Fracture Characterization Using J-Integral

1988 ◽  
Vol 16 (1) ◽  
pp. 44-60 ◽  
Author(s):  
C. L. Chow ◽  
J. Wang ◽  
P. N. Tse
Keyword(s):  
Crack Initiation ◽  
Carbon Black ◽  
Natural Rubber ◽  
Fracture Parameter ◽  
J Integral ◽  
Specimen Length ◽  
Fracture Characterization ◽  
Premature Failure ◽  
Testing Procedures ◽  
Material Evaluation

Abstract The use of the J-integral to investigate fracture characterization in a carbon black reinforced natural rubber is described. Three applications to crack initiation are included: two based on the use of a hypothetical zero specimen length and one on conventional testing procedures for metals. While the validity of the zero-length methods is questionable, the conventional method yielded a consistent Jc value of 1.01 N/mm for a typical tire compound. This value was obtained from 24 combinations of varying specimen geometries and pre-crack lengths. The J-integral is revealed as a valid fracture parameter that is applicable not only for material evaluation but also for designing tire structures to resist premature failure. These conclusions disagree with those from an earlier investigation, so the causes for the discrepancies are examined and discussed.

Experimental estimation of the spin diffusion length in undoped p-Ge on Fe3Si using vertical spin-valve devices

2021 ◽  
Vol 129 (1) ◽  
pp. 013901
Author(s):  
A. Yamada ◽  
M. Yamada ◽  
T. Shiihara ◽  
M. Ikawa ◽  
S. Yamada ◽  
...  
Keyword(s):  
Spin Diffusion ◽  
Diffusion Length ◽  
Spin Valve ◽  
Experimental Estimation ◽  
Spin Diffusion Length

scholarly journals The verification of a new approach to the experimental estimation of tensile forces in prestressed structural elements by method based on the magnetoelastic principle

2017 ◽  
Vol 107 ◽  
pp. 00015 ◽  
Author(s):  
Tomáš Klier ◽  
Tomáš Míčka ◽  
Tomáš Plachý ◽  
Michal Polák ◽  
Tomáš Smeták ◽  
...  
Keyword(s):  
Structural Elements ◽  
New Approach ◽  
Experimental Estimation ◽  
Tensile Forces

Detecting Thread Features Based on Digital Image Processing Techniques

2014 ◽  
Vol 889-890 ◽  
pp. 1107-1110
Author(s):  
Han Ming Cai ◽  
Pei Yao Wang ◽  
Xiao Mei Song
Keyword(s):  
Image Processing ◽  
Digital Image Processing ◽  
Digital Image ◽  
Measurement Accuracy ◽  
Measuring Method ◽  
Image Processing Techniques ◽  
Basic Image ◽  
The Cost ◽  
Processing Techniques ◽  
Gauge Measurement

Thread features of the traditional measuring method mainly adopts working gauge measurement, due to limitations in the traditional thread features measurement accuracy is relatively low, the efficiency is low, the cost is high. The thread features detection method based on digital image processing techniques using CCD to obtain basic image of thread, processing the thread image, extracting thread outline, calculating thread features through the computer, improves the efficiency, saves the cost.

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