ISSN:
1573-2754
Keywords:
orthotropic composite material
;
J-integral
;
sticking film moire interferometry
Source:
Springer Online Journal Archives 1860-2000
Topics:
Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
,
Mathematics
,
Physics
Notes:
Abstract The relation between J-integral near model I crack tip in the orthotropic plate and displacement derivative is derived in this paper. Meanwhile, the relation between stress intensity factor K I and displacement is also given in this paper. With sticking film moire interferometry method, the three-point bending beam is tested, thus the values of J-integral and K I can be obtained from the displacement field, and then the truth of relation formula between J-integral and K I in the orthotropic composite materials is experimentally verified.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF02451028
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