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| Thesis Name： |
Computer simulation of conic-shaped patterns on fr |
| Usage： |
Computer simulation of conic-shaped patterns on fr |
| Keyword： |
123 |
| Remarks： |
Fracture surface morphology analysis, using scanning electron microscopy (SEM), is one of important methods to study the polymer fracture mechanism. There are several distinct patterns on fracture surfaces, such as radial striations, regularly spaced 'rib' markings and conic-shaped patterns. The conic-shaped pattern is the intersection locus of a moving planar crack front and a radially growing circular craze or secondary crack front. In this paper, the effects of the ratio of crack velocity to growing craze or secondary crack velocity on the shape of intersection loci are discussed via computer simulations. It is shown that when the ratio of crack velocity to craze or secondary crack velocity, , increases progressively, the fracture surface pattern changes from a parabola or a prolate parabola to an ellipse and finally to an approximate circle.
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| Original file： |
No File
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Promulgator Detail |
| Full name: |
hichem |
| Country: |
CN |
| City: |
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| Company Name: |
hichem |
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http://www.teloon.com |
| E-mail: |
reply |
| Phone: |
86-411-82819585 |
| Fax: |
86-411-82819612 |
| Company Address: |
Renming Road, Dalian city, Lianning pro,china |
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