Abstract
The stress field near the tip of a plane strain crack, growing quasi-statically along an elastic/elastic power law creeping bi-material interface, is studied. Both the elastic and creeping materials are incompressible. It is found that when n≥3, where n is the power law creeping exponent, the leading order term of the stress field has a separable form, and the amplitude of the field is determined by current crack tip velocity and material parameters. Furthermore, the solution exhibits only two modes, one of which is close to pure mode I and the other one is close to pure mode II. They approach pure modes I and II as the value of n approaches 3. Thus, arbitrary mode mixity cannot be prescribed, and the near tip field is independent of the far field loading conditions. When n<3, the near tip field is similar to that of a crack along the interface of two linear elastic materials.
| Original language | English (US) |
|---|---|
| Title of host publication | Composite Materials |
| Editors | Walter F. Jones |
| Publisher | Publ by ASME |
| Pages | 65-76 |
| Number of pages | 12 |
| Volume | 37 |
| ISBN (Print) | 0791812502 |
| State | Published - 1993 |
| Externally published | Yes |
| Event | Proceedings of the 1993 ASME Winter Annual Meeting - New Orleans, LA, USA Duration: Nov 28 1993 → Dec 3 1993 |
Other
| Other | Proceedings of the 1993 ASME Winter Annual Meeting |
|---|---|
| City | New Orleans, LA, USA |
| Period | 11/28/93 → 12/3/93 |
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ASJC Scopus subject areas
- Space and Planetary Science
- Mechanical Engineering
Cite this
Growing crack along elastic/creeping bi-material interface. / Saif, M Taher A; Hui, Chung Yuen.
Composite Materials. ed. / Walter F. Jones. Vol. 37 Publ by ASME, 1993. p. 65-76.Research output: Chapter in Book/Report/Conference proceeding › Conference contribution
}
TY - GEN
T1 - Growing crack along elastic/creeping bi-material interface
AU - Saif, M Taher A
AU - Hui, Chung Yuen
PY - 1993
Y1 - 1993
N2 - The stress field near the tip of a plane strain crack, growing quasi-statically along an elastic/elastic power law creeping bi-material interface, is studied. Both the elastic and creeping materials are incompressible. It is found that when n≥3, where n is the power law creeping exponent, the leading order term of the stress field has a separable form, and the amplitude of the field is determined by current crack tip velocity and material parameters. Furthermore, the solution exhibits only two modes, one of which is close to pure mode I and the other one is close to pure mode II. They approach pure modes I and II as the value of n approaches 3. Thus, arbitrary mode mixity cannot be prescribed, and the near tip field is independent of the far field loading conditions. When n<3, the near tip field is similar to that of a crack along the interface of two linear elastic materials.
AB - The stress field near the tip of a plane strain crack, growing quasi-statically along an elastic/elastic power law creeping bi-material interface, is studied. Both the elastic and creeping materials are incompressible. It is found that when n≥3, where n is the power law creeping exponent, the leading order term of the stress field has a separable form, and the amplitude of the field is determined by current crack tip velocity and material parameters. Furthermore, the solution exhibits only two modes, one of which is close to pure mode I and the other one is close to pure mode II. They approach pure modes I and II as the value of n approaches 3. Thus, arbitrary mode mixity cannot be prescribed, and the near tip field is independent of the far field loading conditions. When n<3, the near tip field is similar to that of a crack along the interface of two linear elastic materials.
UR - http://www.scopus.com/inward/record.url?scp=0027805876&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=0027805876&partnerID=8YFLogxK
M3 - Conference contribution
AN - SCOPUS:0027805876
SN - 0791812502
VL - 37
SP - 65
EP - 76
BT - Composite Materials
A2 - Jones, Walter F.
PB - Publ by ASME
ER -