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A note on the stress intensity factor and crack velocity relationship for homalite 100
Affiliation:1. Osaka University, Joining and Welding Research Institute, 11-1 Mihogaoka, Ibaraki, Osaka, Japan;2. The University of Tokyo, Graduate School of Engineering, Hongo 7-3-1, Bunkyo, Tokyo, Japan;3. Osaka University, Graduate School of Engineering, 2-1, Yamadaoka, Suita, Osaka, Japan;1. HB BerRit, Solhemsbackarna 73, SE-163 56 Spånga, Sweden;2. Institute of Computer Science, Cracow University of Technology, Pl 31-155 Cracow, Poland;1. Instituto Andaluz de Ciencias de la Tierra, CSIC–Universidad de Granada, E-18100 Armilla, Granada, Spain;2. Instituto Carlos I de Física Teórica y Computacional, Universidad de Granada, E-18071 Granada, Spain;3. École Polytechnique Fédérale de Lausanne (EPFL), 1015 Lausanne, Switzerland;4. Departamento de Física, Universitat de les Illes Balears, E-07122 Palma de Mallorca, Spain;5. Mediterranean Institute for Advanced Studies, CSIC–Universitat de les Illes Balears, E-07190 Mallorca, Spain;1. Jamoum University College, Umm Al-Qura University, Alshohdaa, 25371 Jamoum, Makkah, Saudi Arabia;2. Faculty of Computers and Informatics, Suez Canal University, New Campus‬, 4.5 Km, Ring Road, El Salam District, 41522 Ismailia, Egypt‬
Abstract:
A series of dynamic experiments was performed to further investigate the relationship between the stress intensity factor and crack velocity for Homalite 100. Four different specimen geometries made out of the same sheet of Homalite 100 were studied using the technique of photoelasticity. The stress field around the crack tip was represented in terms of a series whose coefficients were evaluated with the multipoint over-deterministic method. The results indicate that the stress field solution depends on the number of terms in the series representation. The stress intensity factor versus crack velocity curves are distinct in the plateau and the transition region for each specimen geometry but merge in the vertical stem region. Finally the results are compared with similar results obtained with the method of caustics.
Keywords:
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