Ductile cast irons: Microstructure influence on the fatigue initiation mechanisms
In the last decades, the combination of high mechanical performances and low production costs increased the industrial interest on ductile cast irons. These grades are often used for applications where the fatigue resistance can be a critical issue (eg, machine frames for the wind‐power industry or...
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| Veröffentlicht in: | Fatigue & fracture of engineering materials & structures 2019-09, Vol.42 (9), p.2172-2182 |
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| container_title | Fatigue & fracture of engineering materials & structures |
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| creator | Bellini, Costanzo Di Cocco, Vittorio Favaro, Gregory Iacoviello, Francesco Sorrentino, Luca |
| description | In the last decades, the combination of high mechanical performances and low production costs increased the industrial interest on ductile cast irons. These grades are often used for applications where the fatigue resistance can be a critical issue (eg, machine frames for the wind‐power industry or crankshaft used in trucks) and the investigation of the main damaging mechanisms during both the crack initiation and the crack propagation stage could offer new perspectives about these alloys.
Ductile cast irons can be considered as a natural composite, being characterized by graphite elements (nodules) embedded in a more or less ductile matrix (ranging from fully ferritic to pearlitic, from martensitic to austempered). In this work, the fatigue crack initiation mechanisms were investigated considering different matrix microstructure and the presence of a mechanical properties gradient in the graphite nodules. |
| doi_str_mv | 10.1111/ffe.13100 |
| format | Article |
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Ductile cast irons can be considered as a natural composite, being characterized by graphite elements (nodules) embedded in a more or less ductile matrix (ranging from fully ferritic to pearlitic, from martensitic to austempered). In this work, the fatigue crack initiation mechanisms were investigated considering different matrix microstructure and the presence of a mechanical properties gradient in the graphite nodules.</description><identifier>ISSN: 8756-758X</identifier><identifier>EISSN: 1460-2695</identifier><identifier>DOI: 10.1111/ffe.13100</identifier><language>eng</language><publisher>Oxford: Wiley Subscription Services, Inc</publisher><subject>Alloy cast iron ; Austempering ; Crack initiation ; Crack propagation ; Crankshafts ; damage mechanics ; Ductile fracture ; Electric industries ; fatigue ; Fatigue failure ; Fatigue strength ; Fracture mechanics ; Graphite ; Mechanical properties ; Microstructure ; Nodular graphitic structure ; Nodular iron ; Production costs</subject><ispartof>Fatigue & fracture of engineering materials & structures, 2019-09, Vol.42 (9), p.2172-2182</ispartof><rights>2019 Wiley Publishing Ltd.</rights><rights>2019 John Wiley & Sons Ltd</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c2970-ab3ba566880d377ba0b5f607f65ffaee68dbe733b2ebfe5ecd9f19776dbbbc683</citedby><cites>FETCH-LOGICAL-c2970-ab3ba566880d377ba0b5f607f65ffaee68dbe733b2ebfe5ecd9f19776dbbbc683</cites><orcidid>0000-0002-1668-3729 ; 0000-0002-5278-7357 ; 0000-0003-4804-6588 ; 0000-0002-9382-6092</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1111%2Fffe.13100$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1111%2Fffe.13100$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1416,27923,27924,45573,45574</link.rule.ids></links><search><creatorcontrib>Bellini, Costanzo</creatorcontrib><creatorcontrib>Di Cocco, Vittorio</creatorcontrib><creatorcontrib>Favaro, Gregory</creatorcontrib><creatorcontrib>Iacoviello, Francesco</creatorcontrib><creatorcontrib>Sorrentino, Luca</creatorcontrib><title>Ductile cast irons: Microstructure influence on the fatigue initiation mechanisms</title><title>Fatigue & fracture of engineering materials & structures</title><description>In the last decades, the combination of high mechanical performances and low production costs increased the industrial interest on ductile cast irons. These grades are often used for applications where the fatigue resistance can be a critical issue (eg, machine frames for the wind‐power industry or crankshaft used in trucks) and the investigation of the main damaging mechanisms during both the crack initiation and the crack propagation stage could offer new perspectives about these alloys.
Ductile cast irons can be considered as a natural composite, being characterized by graphite elements (nodules) embedded in a more or less ductile matrix (ranging from fully ferritic to pearlitic, from martensitic to austempered). In this work, the fatigue crack initiation mechanisms were investigated considering different matrix microstructure and the presence of a mechanical properties gradient in the graphite nodules.</description><subject>Alloy cast iron</subject><subject>Austempering</subject><subject>Crack initiation</subject><subject>Crack propagation</subject><subject>Crankshafts</subject><subject>damage mechanics</subject><subject>Ductile fracture</subject><subject>Electric industries</subject><subject>fatigue</subject><subject>Fatigue failure</subject><subject>Fatigue strength</subject><subject>Fracture mechanics</subject><subject>Graphite</subject><subject>Mechanical properties</subject><subject>Microstructure</subject><subject>Nodular graphitic structure</subject><subject>Nodular iron</subject><subject>Production costs</subject><issn>8756-758X</issn><issn>1460-2695</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNp1kMFKAzEQhoMoWKsH3yDgycO2yaZJdr2JtipURFDwFpLsxKa0uzXJIn17U9erc5lh_m9mmB-hS0omNMfUOZhQRgk5QiM6E6QoRc2P0aiSXBSSVx-n6CzGNSFUzBgbodf73ia_AWx1TNiHro03-Nnb0MUUstQHwL51mx5aC7hrcVoBdjr5z_4g-ORzndtbsCvd-riN5-jE6U2Ei788Ru-L-dvdY7F8eXi6u10WtqwlKbRhRnMhqoo0TEqjieFOEOkEd04DiKoxIBkzJRgHHGxTO1pLKRpjjBUVG6OrYe8udF89xKTWXR_afFKVpahqRmhdZup6oA4fxQBO7YLf6rBXlKiDYyo7pn4dy-x0YL-zIfv_QbVYzIeJH3zPbrI</recordid><startdate>201909</startdate><enddate>201909</enddate><creator>Bellini, Costanzo</creator><creator>Di Cocco, Vittorio</creator><creator>Favaro, Gregory</creator><creator>Iacoviello, Francesco</creator><creator>Sorrentino, Luca</creator><general>Wiley Subscription Services, Inc</general><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><orcidid>https://orcid.org/0000-0002-1668-3729</orcidid><orcidid>https://orcid.org/0000-0002-5278-7357</orcidid><orcidid>https://orcid.org/0000-0003-4804-6588</orcidid><orcidid>https://orcid.org/0000-0002-9382-6092</orcidid></search><sort><creationdate>201909</creationdate><title>Ductile cast irons: Microstructure influence on the fatigue initiation mechanisms</title><author>Bellini, Costanzo ; Di Cocco, Vittorio ; Favaro, Gregory ; Iacoviello, Francesco ; Sorrentino, Luca</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c2970-ab3ba566880d377ba0b5f607f65ffaee68dbe733b2ebfe5ecd9f19776dbbbc683</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Alloy cast iron</topic><topic>Austempering</topic><topic>Crack initiation</topic><topic>Crack propagation</topic><topic>Crankshafts</topic><topic>damage mechanics</topic><topic>Ductile fracture</topic><topic>Electric industries</topic><topic>fatigue</topic><topic>Fatigue failure</topic><topic>Fatigue strength</topic><topic>Fracture mechanics</topic><topic>Graphite</topic><topic>Mechanical properties</topic><topic>Microstructure</topic><topic>Nodular graphitic structure</topic><topic>Nodular iron</topic><topic>Production costs</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Bellini, Costanzo</creatorcontrib><creatorcontrib>Di Cocco, Vittorio</creatorcontrib><creatorcontrib>Favaro, Gregory</creatorcontrib><creatorcontrib>Iacoviello, Francesco</creatorcontrib><creatorcontrib>Sorrentino, Luca</creatorcontrib><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>Fatigue & fracture of engineering materials & structures</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Bellini, Costanzo</au><au>Di Cocco, Vittorio</au><au>Favaro, Gregory</au><au>Iacoviello, Francesco</au><au>Sorrentino, Luca</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Ductile cast irons: Microstructure influence on the fatigue initiation mechanisms</atitle><jtitle>Fatigue & fracture of engineering materials & structures</jtitle><date>2019-09</date><risdate>2019</risdate><volume>42</volume><issue>9</issue><spage>2172</spage><epage>2182</epage><pages>2172-2182</pages><issn>8756-758X</issn><eissn>1460-2695</eissn><abstract>In the last decades, the combination of high mechanical performances and low production costs increased the industrial interest on ductile cast irons. These grades are often used for applications where the fatigue resistance can be a critical issue (eg, machine frames for the wind‐power industry or crankshaft used in trucks) and the investigation of the main damaging mechanisms during both the crack initiation and the crack propagation stage could offer new perspectives about these alloys.
Ductile cast irons can be considered as a natural composite, being characterized by graphite elements (nodules) embedded in a more or less ductile matrix (ranging from fully ferritic to pearlitic, from martensitic to austempered). In this work, the fatigue crack initiation mechanisms were investigated considering different matrix microstructure and the presence of a mechanical properties gradient in the graphite nodules.</abstract><cop>Oxford</cop><pub>Wiley Subscription Services, Inc</pub><doi>10.1111/ffe.13100</doi><tpages>11</tpages><orcidid>https://orcid.org/0000-0002-1668-3729</orcidid><orcidid>https://orcid.org/0000-0002-5278-7357</orcidid><orcidid>https://orcid.org/0000-0003-4804-6588</orcidid><orcidid>https://orcid.org/0000-0002-9382-6092</orcidid></addata></record> |
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| language | eng |
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| source | Wiley Online Library |
| subjects | Alloy cast iron Austempering Crack initiation Crack propagation Crankshafts damage mechanics Ductile fracture Electric industries fatigue Fatigue failure Fatigue strength Fracture mechanics Graphite Mechanical properties Microstructure Nodular graphitic structure Nodular iron Production costs |
| title | Ductile cast irons: Microstructure influence on the fatigue initiation mechanisms |
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