Contstraint effects of shallow cracks in structures containing fillet weld toe cracks /
(parent material stronger than weld material) weldments is
| Main Author: | |
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| Format: | Thesis eBook |
| Language: | English |
| Published: |
[Place of publication not identified] :
[publisher not identified] ;
1995.
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| Subjects: | |
| Online Access: | Link to OAKTrust copy |
| Summary: | (parent material stronger than weld material) weldments is also shown via application of the AndersonDodds scaling Anderson-Dodds scaling model becomes invalid. This study assumption that a constant scaling parameter exists between but that a symmetry causes it to break down for the case of a cracks. The Anderson-Dodds scaling model is applied to Current methods for determining fracture toughness values for element analysis results to calculate applied J values for Hence, as this assumption breaks down the in tension. material stronger than parent material), and 20% undermatched model. The Anderson-Dodds scaling model relies on the negligible effect of material mismatch for the aforementioned non-symmetric geometries analyzed without significant error, quantify the effects of finite size on J contour integral shows that the Anderson-Dodds can be applied to most of the structure containing and a/W=O.l fillet weld toe crack loaded structures containing 20% overmatched weldments (weld structures containing a/W--O.l and a/W--O.5 fillet weld toe structures containing weldments rely on homogeneous models. the finite body and infinite body J contour integral values. This research invalidates this assumption by using finite values for structures containing a/W=O.l and a/W=0.5 fillet weld toe cracks loaded in bending and in tension. The |
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| Item Description: | "Major subject: Mechanical Engineering". Vita. |
| Physical Description: | xii, 89 leaves : illustrations ; 28 cm. Also available online. Issued also on microfiche from Lange Micrographics. |
| Bibliography: | Includes bibliographical references. |