Fatigue crack-tip deformation,crack growth and life prediction in polycarbonate |
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| Authors: | A Shimamoto E Umezaki |
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| Institution: | (1) Saitama Institute of Technology, 1690 Fusaiji, Okabe, 369-02 Ohsato, Saitama, Japan;(2) Nippon Institute of Technology, 4-1 Gakuendai, Miyashiro, 345 Minamisaitama, Saitama, Japan |
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| Abstract: | Low-cycle fatigue fracture of polycarbonate is investigated. Local strain in the vicinity of the notch root and crack tip
has been measured in real time by using a fine-grid method. The relationships among the local strain, crack initiation from
the notch root and crack propagation of the crack tip are studied, and a method for more precise life estimation is suggested.
Paper was presented at the 1992 SEM Spring Conference on Experimental Mechanics held in Las Vegas, NV on June 8–11. |
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| Keywords: | fatigue fracture mechanics grid methods |
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