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| Titel: |
TRANSIENT THERMAL STRESSES IN A CLADDED SEMI-INFINITE MEDIUM CONTAINING AN UNDERCLAD CRACK |
| Auteur: |
Choi, Hyung Jip Jin, Tae Eun Lee, Kang Yong |
| Verschenen in: |
Journal of thermal stresses |
| Paginering: | Jaargang 18 (1995) nr. 3 pagina's 269-290 |
| Jaar: |
1995-05-01 |
| Inhoud: |
The transient thermal stress problem for a cladded medium containing an underclad crack is studied within the two-dimensional framework of uncoupled, quasi-static thermoelasticity. The cladded medium is modeled such that a thin cladding is bonded to a substrate via a transitional layer. The cladding and the transitional layer are represented as homogeneous strips, while the substrate is regarded as a half-plane having a crack oriented normal to its surface. The transient thermal loading is prescribed in the form of a gradual or sudden cooldown applied at the medium bounding surface. The flexibility / stiffness matrix approach is introduced as an efficient means of formulating the proposed crack problem. Subject to equivalent transient thermal tractions acting on the location of the crack, a Cauchy-type singular integral equation is derived and solved numerically. Transient thermal stress intensity factors are then evaulated to demonstrate the response of the underclad crack as functions of various geometric and material parameters. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
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