Monotonic and Cyclic Property Design Data for Ductile Iron Castings

Data on the low and high cycle fatigue response as well as monotonie (non-cyclic) and cyclic flow properties are required by design engineers for the proper design of many components. Currently, there are no readily available sources for such information on ductile/nodular cast iron. The purpose of...

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Bibliographic Details
Published in:SAE transactions 2000-01, Vol.109, p.307-326
Main Authors: Tartaglia, John M., Ritter, Paige E., Gundlach, Richard B., Jenkins, Lyle
Format: Article
Language:English
Subjects:
Cast iron
Design engineering
Fatigue
Hardness
Material fatigue
Materials
Moduli of elasticity
Specimens
Strain hardening
Yield strength
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Summary:Data on the low and high cycle fatigue response as well as monotonie (non-cyclic) and cyclic flow properties are required by design engineers for the proper design of many components. Currently, there are no readily available sources for such information on ductile/nodular cast iron. The purpose of this study was to determine property design data similar to those in SAE standard 099 for SAE Grade D5506 ductile iron. In this study, the monotonie and cyclic strin hardening properties, and the variation of elastic modulus after repetitive cyclic testing were determined for eight ductile iron castings selected to represent the range of properties possible in Grade D5506 ductile iron. Strain-life testing was conducted on four of the eight materials to calculate the strain and stress versus fatigue life (reversal) constants.
ISSN:0096-736X
2577-1531