Multiaxial fatigue limit criterion for defective materials
The objective of this paper is to quantify the influence of defect on the fatigue limit. Elastic–plastic simulations are conducted to determine the stress distribution around defects for different geometries and different loading. It is shown that a relevant mechanical parameter governing the fatigu...
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| Veröffentlicht in: | Engineering fracture mechanics 2006, Vol.73 (1), p.112-133 |
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| container_title | Engineering fracture mechanics |
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| creator | Nadot, Y. Billaudeau, T. |
| description | The objective of this paper is to quantify the influence of defect on the fatigue limit. Elastic–plastic simulations are conducted to determine the stress distribution around defects for different geometries and different loading. It is shown that a relevant mechanical parameter governing the fatigue limit for defect material could be the gradient of the hydrostatic stress. A multiaxial fatigue criterion is identified with three parameters and validated for different metallic materials under multiaxial conditions. Results are good and show that the gradient of the hydrostatic stress is a good parameter to characterise the influence of a defect on the fatigue behaviour. |
| doi_str_mv | 10.1016/j.engfracmech.2005.06.005 |
| format | Article |
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Elastic–plastic simulations are conducted to determine the stress distribution around defects for different geometries and different loading. It is shown that a relevant mechanical parameter governing the fatigue limit for defect material could be the gradient of the hydrostatic stress. A multiaxial fatigue criterion is identified with three parameters and validated for different metallic materials under multiaxial conditions. Results are good and show that the gradient of the hydrostatic stress is a good parameter to characterise the influence of a defect on the fatigue behaviour.</description><identifier>ISSN: 0013-7944</identifier><identifier>EISSN: 1873-7315</identifier><identifier>DOI: 10.1016/j.engfracmech.2005.06.005</identifier><identifier>CODEN: EFMEAH</identifier><language>eng</language><publisher>Tarrytown, NY: Elsevier Ltd</publisher><subject>Applied sciences ; Artificial defect ; Casting defect ; Exact sciences and technology ; Fatigue limit ; Foundry engineering ; Fracture mechanics (crack, fatigue, damage...) ; Fundamental areas of phenomenology (including applications) ; Gradient effect ; Inelasticity (thermoplasticity, viscoplasticity...) ; Metals. Metallurgy ; Multiaxial criterion ; Other casting methods. 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Elastic–plastic simulations are conducted to determine the stress distribution around defects for different geometries and different loading. It is shown that a relevant mechanical parameter governing the fatigue limit for defect material could be the gradient of the hydrostatic stress. A multiaxial fatigue criterion is identified with three parameters and validated for different metallic materials under multiaxial conditions. Results are good and show that the gradient of the hydrostatic stress is a good parameter to characterise the influence of a defect on the fatigue behaviour.</description><subject>Applied sciences</subject><subject>Artificial defect</subject><subject>Casting defect</subject><subject>Exact sciences and technology</subject><subject>Fatigue limit</subject><subject>Foundry engineering</subject><subject>Fracture mechanics (crack, fatigue, damage...)</subject><subject>Fundamental areas of phenomenology (including applications)</subject><subject>Gradient effect</subject><subject>Inelasticity (thermoplasticity, viscoplasticity...)</subject><subject>Metals. Metallurgy</subject><subject>Multiaxial criterion</subject><subject>Other casting methods. 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Metallurgy</topic><topic>Multiaxial criterion</topic><topic>Other casting methods. Solidification</topic><topic>Physics</topic><topic>Production techniques</topic><topic>Solid mechanics</topic><topic>Structural and continuum mechanics</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Nadot, Y.</creatorcontrib><creatorcontrib>Billaudeau, T.</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>Nadot, Y.</au><au>Billaudeau, T.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Multiaxial fatigue limit criterion for defective materials</atitle><jtitle>Engineering fracture mechanics</jtitle><date>2006</date><risdate>2006</risdate><volume>73</volume><issue>1</issue><spage>112</spage><epage>133</epage><pages>112-133</pages><issn>0013-7944</issn><eissn>1873-7315</eissn><coden>EFMEAH</coden><abstract>The objective of this paper is to quantify the influence of defect on the fatigue limit. 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| ispartof | Engineering fracture mechanics, 2006, Vol.73 (1), p.112-133 |
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| source | Elsevier ScienceDirect Journals Complete |
| subjects | Applied sciences Artificial defect Casting defect Exact sciences and technology Fatigue limit Foundry engineering Fracture mechanics (crack, fatigue, damage...) Fundamental areas of phenomenology (including applications) Gradient effect Inelasticity (thermoplasticity, viscoplasticity...) Metals. Metallurgy Multiaxial criterion Other casting methods. Solidification Physics Production techniques Solid mechanics Structural and continuum mechanics |
| title | Multiaxial fatigue limit criterion for defective materials |
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