Residual stress analysis of compression-molded poly (ether ether ketone) cylindrical parts
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Cylindrical parts were compression-molded using polyetheretherketone (PEEK) fine powder. Post-molding thermal stress relief was executed through systematic variations in time and temperature cycles. Following stress relief, washers were cut from the cylindrical stock shapes and used in the analysis of residual stress. Quantitative determination of the residual stresses along the circumferential direction was carried out based on displacement data obtained by a ring slitting and layer removal method. Thermal and morphological properties of the material were characterized, and their relationship with the residual stress distribution in the material is discussed.
author list (cited authors)
Jin, L., Sengupta, J., Bremner, T., & Sue, H. J.