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ferritic ductile iron

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Published: 01 January 1987
Fig. 88 Ductile-to-brittle transition in an annealed ferritic ductile iron (same alloy as in Fig. 83 and 84 ). Above demarcation line is region of dimpled rupture (the ductile fracture surface of the test sample after partial fracture at room temperature). Below line is region of quasi More
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Published: 31 August 2017
Fig. 2 Ductile and brittle fracture surface of ferritic ductile iron specimens (ASTM A536, 100-40-18 grade, annealed) generated by impact testing at different temperatures. (a) –20 °C (–4 °F)/72 kJ/m 2 . (b) 60 °C (140 °F)/200 kJ/m 2 . Source: Ref 9 More
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Published: 01 January 1987
Fig. 97 Brittle cleavage fracture in ferritic ductile iron. SEM, 1000× (W.L. Bradley, Texas A&M University) More
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Published: 31 August 2017
Fig. 14 Fracture surface of ferritic ductile iron (ASTM 100-40-18 grade, annealed) samples broken by impact at –20 °C (–4 °F). Different magnifications. Source: Ref 9 More
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Published: 31 August 2017
Fig. 16 Typical fracture surfaces of ferritic ductile iron (ASTM A536, 100-40-18 grade, annealed) produced by impact loading. (a) Fracture surfaces generated at 20 °C, or 68 °F (within the transition temperature range). (b) Detail of cleavage facets and the river pattern formation. Source More
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Published: 31 August 2017
Fig. 22 Fatigue crack growth rate data for annealed ferritic ductile iron. Source: Ref 16 More
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Published: 31 August 2017
Fig. 7 Impact strength of four ferritic ductile iron castings. Source: Ref 32 More
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Published: 01 January 1996
Fig. 20 Comparison of fracture toughness of fully ferritic ductile iron (GGG-40) with ferritic ductile iron with 15% pearlite in matrix (S-45). Source: Ref 5 More
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Published: 01 January 1990
Fig. 15 Dynamic tear energy versus silicon content for two ferritic ductile irons. Test temperature was 25 °C (75 °F). Phosphorus content was 0.01%. Specimen size: 190 mm (7 1 2 in.) long, 130 mm (5 1 8 in.) wide, and 41 mm (1 5 8 in.) thick; 13 mm ( 1 2 More
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Published: 01 January 1990
Fig. 21 Hot hardness of four annealed (ferritic) ductile irons. Source: Ref 13 More
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Published: 01 January 1987
Fig. 92 Fracture surface of a ferritic-pearlitic ductile iron. Note ductile fracture of ferrite in matrix around nodules and cleavage (brittle) fracture of pearlite in matrix. SEM, 50× (W.L. Bradley, Texas A&M University) More
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Published: 01 December 1998
Fig. 10 Microstructures of ductile iron. (a) As-cast ferritic. (b) As-cast pearlitic, hardness 255 HB. (c) Ferritic, annealed 3 h at 700 °C (1290 °F). (d) Pearlitic ductile iron, oil-quenched and tempered to 255 HB. All etched in 2% nital. 100× More
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Published: 01 October 2014
Fig. 3 Optical Micrographs of ductile iron (a) ferritic matrix produced by intercritically austenizing at 732 °C (1350 °F) for 5 hours, cooling 10 °C (50 °F) per hour to 538 °C (1000 °F) and then air cooling; (b) fine pearlite in normalized ductile iron that was air cooled after austenitizing More
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Published: 01 January 1990
Fig. 1 Microstructures of ductile iron. (a) As-cast ferritic. (b) As-cast pearlitic; hardness, 255 HB. (c) Ferritic, annealed 3 h at 700 °C (1290 °F). (d) Pearlitic ductile iron oil quenched and tempered to 255 HB. All etched in 2% nital. 100× More
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Published: 01 January 1990
Fig. 25 Stress-rupture properties of ductile iron: (a) Ferritic (annealed). (b) Pearlitic (normalized). The curve labeled creep shows the stress-temperature combination that will result in a creep rate of 0.0001%/h. Source: Ref 15 , 16 More
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Published: 01 January 1987
Fig. 87 Fracture surface of ferritic-pearlite ductile iron in Fig. 85 and 86 . The low-temperature fracture occurred via a brittle, quasi-cleavage mode. SEM, 715× (R.C. Voigt and L.M. Eldoky, University of Kansas) More
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Published: 31 August 2017
Fig. 3 Optical micrographs of ductile iron. (a) Ferritic matrix produced by intercritically austenitizing at 732 °C (1350 °F) for 5 h, cooling 10 °C (18 °F) per hour to 538 °C (1000 °F), and then air cooling. (b) Fine pearlite in normalized ductile iron that was air cooled after austenitizing More
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Published: 31 August 2017
Fig. 44 Inverse chill in pearlitic-ferritic ductile cast iron. Used with permission from Ref 13 More
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Published: 31 August 2017
Fig. 11 River pattern formation in ferritic ductile cast iron (ASTM A536, 100-40-18 grade, annealed). Source: Ref 9 More
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Published: 01 December 2004
Fig. 83 As-cast ductile iron. Ferritic-pearlitic matrix. Etched with 4% nital. 100× More