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TECHNICAL PAPERS

Effect of Temperature on Fatigue Crack Growth in CPVC

[+] Author and Article Information
Muhammad Irfan-ul-Haq, Nesar Merah

Department of Mechanical Engineering, King Fahd University of Petroleum and Minerals, Dhahran, Saudi Arabia

J. Pressure Vessel Technol 125(1), 71-77 (Jan 31, 2003) (7 pages) doi:10.1115/1.1523070 History: Received January 25, 2002; Revised September 09, 2002; Online January 31, 2003
Copyright © 2003 by ASME
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References

Kim,  H.-S., and Mai,  Y.-M., 1993, “Effect of Temperature on Fatigue Crack Growth in unPlasticized Polyvinyl Chloride,” J. Mater. Sci., 28, pp. 5479–5485.
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Radon,  J. C., and Culver,  L. E., 1975, “Fatigue Crack Growth in Polymers, Effect of Frequency and Temperature,” Polymer Engineering and Science 15(7) July, pp. 500–506.
Mai,  Y. M., and Williams,  J. G., 1979, “Temperature and Environmental Effects on the Fatigue Fracture in Polystyrene,” J. Mater. Sci., 14, pp. 1933–1940.
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Figures

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Schematic representation of tensile and FCG specimens used in the study
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a-N curves for CPVC at different temperatures
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da/dN-ΔK curve for CPVC at 23°C
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Representative fatigue crack growth data for CPVC at all test temperatures
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Fatigue crack growth rates at different temperatures
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Variation of parameter A with absolute temperature
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Variation of m with absolute temperature
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Stress-strain curves for CPVC at different temperatures
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Craze length as a function of crack length at all test temperatures
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Craze length as a function of temperature at crack lengths of 5 and 10 mm
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Macrofractographs of CPVC tested at different temperatures (magnification =5×). Arrow shows direction of crack propagation.
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SEM fractograph of CPVC at 50°C, ΔK=1.0 MPam (magnification =100×).
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SEM fractograph of CPVC at 0°C, ΔK=1.0 MPam (magnification =100×).
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Variatin of crack opening displacement with crack length at different temperatures
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Crack propagation in CPVC at different temperatures expressed in terms of modified ΔKε
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Crack propagation in CPVC at different temperatures expressed in terms of modified ΔKy
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Variatin of da/dN with temperature for ΔKeff=1.0 MPam

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