Finite element modelling of coverage effects during shot peening of IN718
Current 3D shot peening simulation models proposed in literature do not take into account coverage as a process parameter influencing the residual state after shot peening. In this study a classic approach, using an ordered dimple pattern, and a new approach, using a stochastic dimple pattern were t...
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| Veröffentlicht in: | International journal of materials research 2010-08, Vol.101 (8), p.951-962 |
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| container_title | International journal of materials research |
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| creator | Zimmermann, Marc Schulze, Volker Hoffmeister, Jürgen |
| description | Current 3D shot peening simulation models proposed in literature do not take into account coverage as a process parameter influencing the residual state after shot peening. In this study a classic approach, using an ordered dimple pattern, and a new approach, using a stochastic dimple pattern were tested to describe the correlation between coverage, the surface topography and the residual stress state. Model verification was conducted based on X-ray and confocal white light microscopy measurements on shot peened test specimens. The test material was age hardened IN718. Simulations showed that the dimple pattern and the impact order of the shots can have a strong influence on the calculated macroscopic residual stress state. The stochastic approach enabled a realistic prediction of the surface topography and the residual stress state for arbitrary values of coverage while the classic approach strongly underestimated the number of shot impacts needed to achieve a certain value of coverage. |
| doi_str_mv | 10.3139/146.110375 |
| format | Article |
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In this study a classic approach, using an ordered dimple pattern, and a new approach, using a stochastic dimple pattern were tested to describe the correlation between coverage, the surface topography and the residual stress state. Model verification was conducted based on X-ray and confocal white light microscopy measurements on shot peened test specimens. The test material was age hardened IN718. Simulations showed that the dimple pattern and the impact order of the shots can have a strong influence on the calculated macroscopic residual stress state. The stochastic approach enabled a realistic prediction of the surface topography and the residual stress state for arbitrary values of coverage while the classic approach strongly underestimated the number of shot impacts needed to achieve a certain value of coverage.</description><subject>Applied sciences</subject><subject>Computer simulation</subject><subject>Coverage</subject><subject>Dimpling</subject><subject>Exact sciences and technology</subject><subject>FEM</subject><subject>Mathematical models</subject><subject>Metals. Metallurgy</subject><subject>Residual stress</subject><subject>Residual stresses</subject><subject>Shot</subject><subject>Shot peening</subject><subject>Simulation</subject><subject>Stochasticity</subject><subject>Topography</subject><issn>1862-5282</issn><issn>2195-8556</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><recordid>eNotkMFOwzAMhiMEEmNw4Ql6QeLSESdLGh_RxGDSBBc4R2nrjE5dO5IWtLcn03aypf_TL_tj7B74TILEJ5jrGQCXhbpgEwGocqOUvmQTMFrkShhxzW5i3HKuQBdiwlbLpmsGyqilHXVDtutratum22S9z6r-l4LbpNR7qoaY1WM4RvG7H7I9UXfmVu8FmFt25V0b6e48p-xr-fK5eMvXH6-rxfM6ryTHIQdEJWRZaG1Kj1yU1byWXhdOAideQwnazZEQnaSydsKjrlFQgbo0GkuSU_Z46t2H_mekONhdE6t0tOuoH6MFbZQRSiFP6MMZdbFyrQ-uq5po96HZuXCwQvJUqUzi8MT9uXagUNMmjIe02G0_hi49Y4Hbo1-b_NqTX-BgUIH8B7ZcbWE</recordid><startdate>20100801</startdate><enddate>20100801</enddate><creator>Zimmermann, Marc</creator><creator>Schulze, Volker</creator><creator>Hoffmeister, Jürgen</creator><general>De Gruyter</general><general>Hanser</general><scope>IQODW</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20100801</creationdate><title>Finite element modelling of coverage effects during shot peening of IN718</title><author>Zimmermann, Marc ; Schulze, Volker ; Hoffmeister, Jürgen</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c309t-199523b7668bf902bc4d3f67a310e0d1b16a49e99a3ebda2f96d92e796b869be3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Applied sciences</topic><topic>Computer simulation</topic><topic>Coverage</topic><topic>Dimpling</topic><topic>Exact sciences and technology</topic><topic>FEM</topic><topic>Mathematical models</topic><topic>Metals. Metallurgy</topic><topic>Residual stress</topic><topic>Residual stresses</topic><topic>Shot</topic><topic>Shot peening</topic><topic>Simulation</topic><topic>Stochasticity</topic><topic>Topography</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zimmermann, Marc</creatorcontrib><creatorcontrib>Schulze, Volker</creatorcontrib><creatorcontrib>Hoffmeister, Jürgen</creatorcontrib><collection>Pascal-Francis</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>International journal of materials research</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Zimmermann, Marc</au><au>Schulze, Volker</au><au>Hoffmeister, Jürgen</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Finite element modelling of coverage effects during shot peening of IN718</atitle><jtitle>International journal of materials research</jtitle><date>2010-08-01</date><risdate>2010</risdate><volume>101</volume><issue>8</issue><spage>951</spage><epage>962</epage><pages>951-962</pages><issn>1862-5282</issn><eissn>2195-8556</eissn><abstract>Current 3D shot peening simulation models proposed in literature do not take into account coverage as a process parameter influencing the residual state after shot peening. 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| language | eng |
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| source | De Gruyter journals |
| subjects | Applied sciences Computer simulation Coverage Dimpling Exact sciences and technology FEM Mathematical models Metals. Metallurgy Residual stress Residual stresses Shot Shot peening Simulation Stochasticity Topography |
| title | Finite element modelling of coverage effects during shot peening of IN718 |
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