A new constraint based fracture criterion for surface cracks
A new methodology for predicting the location of maximum crack extension along a surface crack front in ductile materials is presented. Three-dimensional elastic–plastic finite element analyses were used to determine the variations of a constraint parameter ( α h) based on the average opening stress...
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| Veröffentlicht in: | Engineering fracture mechanics 2007-05, Vol.74 (8), p.1233-1242 |
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| container_issue | 8 |
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| container_title | Engineering fracture mechanics |
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| creator | Leach, A.M. Daniewicz, S.R. Newman, J.C. |
| description | A new methodology for predicting the location of maximum crack extension along a surface crack front in ductile materials is presented. Three-dimensional elastic–plastic finite element analyses were used to determine the variations of a constraint parameter (
α
h) based on the average opening stress in the crack tip plastic zone and the
J-integral distributions along the crack front for many surface crack configurations. Monotonic tension and bending loads are considered. The crack front constraint parameter is combined with the
J-integral to characterize fracture, the critical fracture location being the location for which the product
Jα
h is a maximum. The criterion is verified with test results from surface cracked specimens. |
| doi_str_mv | 10.1016/j.engfracmech.2006.07.011 |
| format | Article |
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α
h) based on the average opening stress in the crack tip plastic zone and the
J-integral distributions along the crack front for many surface crack configurations. Monotonic tension and bending loads are considered. The crack front constraint parameter is combined with the
J-integral to characterize fracture, the critical fracture location being the location for which the product
Jα
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α
h) based on the average opening stress in the crack tip plastic zone and the
J-integral distributions along the crack front for many surface crack configurations. Monotonic tension and bending loads are considered. The crack front constraint parameter is combined with the
J-integral to characterize fracture, the critical fracture location being the location for which the product
Jα
h is a maximum. The criterion is verified with test results from surface cracked specimens.</description><subject>Constraint</subject><subject>Exact sciences and technology</subject><subject>FEA</subject><subject>Fracture mechanics (crack, fatigue, damage...)</subject><subject>Fundamental areas of phenomenology (including applications)</subject><subject>Inelasticity (thermoplasticity, viscoplasticity...)</subject><subject>Physics</subject><subject>Solid mechanics</subject><subject>Static elasticity (thermoelasticity...)</subject><subject>Structural and continuum mechanics</subject><subject>Surface Crack</subject><issn>0013-7944</issn><issn>1873-7315</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2007</creationdate><recordtype>article</recordtype><recordid>eNqNkE1PwzAMhiMEEmPwH8oBbi1x0jatxGWa-JImcYFzlDouZGztSFoQ_55UQ4IjJ3_o8Wv7ZewceAYcyqt1Rt1L6w1uCV8zwXmZcZVxgAM2g0rJVEkoDtmMc4h5nefH7CSENedclRWfsetF0tFngn0XBm9cNySNCWSTSXIYPSXo3UDe9V3S9j4Jo28NTl2Db-GUHbVmE-jsJ87Z8-3N0_I-XT3ePSwXqxRlJYZUNqVQYDnFW2xpTd5WeVHVCLEqSpGjKKrGgmzLHISRCgFVAxJtAY0l0cg5u9zr7nz_PlIY9NYFpM3GdNSPQYu6qmUOeQTrPYi-D8FTq3febY3_0sD15Jde6z9-6ckvzZWOfsXZi58lJqDZRKZDF34FqkLVwEXklnuO4scfjrwO6KhDss4TDtr27h_bvgF30IYz</recordid><startdate>20070501</startdate><enddate>20070501</enddate><creator>Leach, A.M.</creator><creator>Daniewicz, S.R.</creator><creator>Newman, J.C.</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7TB</scope><scope>8BQ</scope><scope>8FD</scope><scope>FR3</scope><scope>JG9</scope><scope>KR7</scope></search><sort><creationdate>20070501</creationdate><title>A new constraint based fracture criterion for surface cracks</title><author>Leach, A.M. ; Daniewicz, S.R. ; Newman, J.C.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c382t-3b6271d0e731d6da4f84589c11d65624c258bd13f6412a37c1c7b13cd51bde2b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2007</creationdate><topic>Constraint</topic><topic>Exact sciences and technology</topic><topic>FEA</topic><topic>Fracture mechanics (crack, fatigue, damage...)</topic><topic>Fundamental areas of phenomenology (including applications)</topic><topic>Inelasticity (thermoplasticity, viscoplasticity...)</topic><topic>Physics</topic><topic>Solid mechanics</topic><topic>Static elasticity (thermoelasticity...)</topic><topic>Structural and continuum mechanics</topic><topic>Surface Crack</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Leach, A.M.</creatorcontrib><creatorcontrib>Daniewicz, S.R.</creatorcontrib><creatorcontrib>Newman, J.C.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><collection>Civil Engineering Abstracts</collection><jtitle>Engineering fracture mechanics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Leach, A.M.</au><au>Daniewicz, S.R.</au><au>Newman, J.C.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A new constraint based fracture criterion for surface cracks</atitle><jtitle>Engineering fracture mechanics</jtitle><date>2007-05-01</date><risdate>2007</risdate><volume>74</volume><issue>8</issue><spage>1233</spage><epage>1242</epage><pages>1233-1242</pages><issn>0013-7944</issn><eissn>1873-7315</eissn><coden>EFMEAH</coden><abstract>A new methodology for predicting the location of maximum crack extension along a surface crack front in ductile materials is presented. Three-dimensional elastic–plastic finite element analyses were used to determine the variations of a constraint parameter (
α
h) based on the average opening stress in the crack tip plastic zone and the
J-integral distributions along the crack front for many surface crack configurations. Monotonic tension and bending loads are considered. The crack front constraint parameter is combined with the
J-integral to characterize fracture, the critical fracture location being the location for which the product
Jα
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| identifier | ISSN: 0013-7944 |
| ispartof | Engineering fracture mechanics, 2007-05, Vol.74 (8), p.1233-1242 |
| issn | 0013-7944 1873-7315 |
| language | eng |
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| source | ScienceDirect Journals (5 years ago - present) |
| subjects | Constraint Exact sciences and technology FEA Fracture mechanics (crack, fatigue, damage...) Fundamental areas of phenomenology (including applications) Inelasticity (thermoplasticity, viscoplasticity...) Physics Solid mechanics Static elasticity (thermoelasticity...) Structural and continuum mechanics Surface Crack |
| title | A new constraint based fracture criterion for surface cracks |
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