Ductile cast irons: microstructure influence on fatigue crack propagation resistance
Microstructure influence on fatigue crack propagation resistance in five different ductile cast irons (DCI) was investigated. Four ferrite/pearlite volume fractions were considered, performing fatigue crack propagation tests according to ASTM E647 standard (R equals to 0.1, 0.5 and 0.75, respectivel...
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| Format: | Article |
| Language: | English |
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Gruppo Italiano Frattura
2010-07-01
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| Series: | Fracture and Structural Integrity |
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| Online Access: | http://www.gruppofrattura.it/pdf/rivista/numero13/numero_13_art_1.pdf |
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| author | Mauro Cavallini Vittorio Di Cocco Francesco Iacoviello |
| author_facet | Mauro Cavallini Vittorio Di Cocco Francesco Iacoviello |
| author_sort | Mauro Cavallini |
| collection | DOAJ |
| description | Microstructure influence on fatigue crack propagation resistance in five different ductile cast irons (DCI) was investigated. Four ferrite/pearlite volume fractions were considered, performing fatigue crack propagation tests according to ASTM E647 standard (R equals to 0.1, 0.5 and 0.75, respectively). Results were compared with an austempered DCI. Damaging micromechanisms were investigated according to the following procedures: - “traditional” Scanning Electron Microscope (SEM) fracture surfaces analysis; - SEM fracture surface analysis with 3D quantitative analysis; - SEM longitudinal crack profile analysis - Light Optical Microscope (LOM) transversal crack profile analysis; |
| format | Article |
| id | doaj-art-dffe447f3cdc454aaf4fc675876fb0d3 |
| institution | DOAJ |
| issn | 1971-8993 |
| language | English |
| publishDate | 2010-07-01 |
| publisher | Gruppo Italiano Frattura |
| record_format | Article |
| series | Fracture and Structural Integrity |
| spelling | doaj-art-dffe447f3cdc454aaf4fc675876fb0d32025-08-20T02:51:38ZengGruppo Italiano FratturaFracture and Structural Integrity1971-89932010-07-01413316Ductile cast irons: microstructure influence on fatigue crack propagation resistanceMauro CavalliniVittorio Di CoccoFrancesco IacovielloMicrostructure influence on fatigue crack propagation resistance in five different ductile cast irons (DCI) was investigated. Four ferrite/pearlite volume fractions were considered, performing fatigue crack propagation tests according to ASTM E647 standard (R equals to 0.1, 0.5 and 0.75, respectively). Results were compared with an austempered DCI. Damaging micromechanisms were investigated according to the following procedures: - “traditional” Scanning Electron Microscope (SEM) fracture surfaces analysis; - SEM fracture surface analysis with 3D quantitative analysis; - SEM longitudinal crack profile analysis - Light Optical Microscope (LOM) transversal crack profile analysis;http://www.gruppofrattura.it/pdf/rivista/numero13/numero_13_art_1.pdfDuctile ironsMicrostructureFatigue crack propagation |
| spellingShingle | Mauro Cavallini Vittorio Di Cocco Francesco Iacoviello Ductile cast irons: microstructure influence on fatigue crack propagation resistance Fracture and Structural Integrity Ductile irons Microstructure Fatigue crack propagation |
| title | Ductile cast irons: microstructure influence on fatigue crack propagation resistance |
| title_full | Ductile cast irons: microstructure influence on fatigue crack propagation resistance |
| title_fullStr | Ductile cast irons: microstructure influence on fatigue crack propagation resistance |
| title_full_unstemmed | Ductile cast irons: microstructure influence on fatigue crack propagation resistance |
| title_short | Ductile cast irons: microstructure influence on fatigue crack propagation resistance |
| title_sort | ductile cast irons microstructure influence on fatigue crack propagation resistance |
| topic | Ductile irons Microstructure Fatigue crack propagation |
| url | http://www.gruppofrattura.it/pdf/rivista/numero13/numero_13_art_1.pdf |
| work_keys_str_mv | AT maurocavallini ductilecastironsmicrostructureinfluenceonfatiguecrackpropagationresistance AT vittoriodicocco ductilecastironsmicrostructureinfluenceonfatiguecrackpropagationresistance AT francescoiacoviello ductilecastironsmicrostructureinfluenceonfatiguecrackpropagationresistance |