论文信息 - THEORY FOR THE RATE OF CRACK CLOSURE

THEORY FOR THE RATE OF CRACK CLOSURE

The theory for the constant rate of crack closure was investigated. The aim of this theory is to explain why the rate of crack closure is constant during the wetting stage of healing. Assuming that a surface crack in a material is treated by compression or with solvent, its crack closes up at a constant rate and its shape is independent of time. This approach was based on the Gibbs energy of an atom near the boundary between healed and unhealed zones. The results are in satisfactory agreement with experimental data in the literature.

[1] Paul Shewmon,et al. Diffusion in Solids , 2016 .

[2] P. Gennes. Reptation of a Polymer Chain in the Presence of Fixed Obstacles , 1971 .

[3] M. Inagaki,et al. Work of Fracture and Crack Healing in Glass , 1985 .

[4] Sanboh Lee,et al. Methanol-Induced crack healing in poly(methyl methacrylate)† , 1990 .

[5] M. Harmer,et al. Thermal Healing of Laser‐Induced Internal Cracks in Lithium Fluoride Crystals , 1992 .

[6] J. Skewis. Self-Diffusion Coefficients and Tack of Some Rubbery Polymers , 1966 .

[7] Matthew Tirrell,et al. The healing process at polymer–polymer interfaces , 1981 .

[8] Richard P. Wool,et al. A theory of healing at a polymer-polymer interface , 1983 .

[9] Sanboh Lee,et al. The effect of chemical stresses on diffusion , 1994 .

[10] R. Raj,et al. On the Sintering rate of cleavage cracks , 1974 .

[11] A. Gittins. The stability of grain boundary cavities in copper , 1968 .

[12] Sanboh Lee,et al. Methanol transport in PMMA: The effect of mechanical deformation , 1987 .

[13] R. Wool,et al. A theory crack healing in polymers , 1981 .

[14] Sanboh Lee,et al. Carbon tetrachloride‐induced crack healing in polycarbonate , 1994 .

[15] Sanboh Lee,et al. Ethanol‐induced crack healing in poly(methyl methacrylate) , 1994 .

[16] A. Evans,et al. Fracture Mechanics of Ceramics , 1986 .