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Correlation between Mechanical Properties and Microstructures of Nodular Iron as a Tool for Quality Control Inspection
Technical Paper
871212
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Language:
English
Abstract
Nodular cast iron is characterized by the presence of nodule graphite in its microstructure, which lead to have good mechanical properties. Mechanical properties such as tensile strength, ductility and hardness are sensitive to the microstructure, that means the mechanical property has certain correlation with its microstructure.
In this paper, mathematical relations between a quality index of the microstructure and its graphite volume fraction, lineal and areal nodule counts, the volume fraction of ferrlte and pearlite wars established. The resulted equations are very practical tool for quality inspection in foundry practice to estimate tensile strength, ductility and hardness.
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Authors
Citation
Basuki, A. and Suratman, R., "Correlation between Mechanical Properties and Microstructures of Nodular Iron as a Tool for Quality Control Inspection," SAE Technical Paper 871212, 1987.Also In
References
- Niebel B.W. Draper A.B. “Product design and Process Manufacturing” McGraw - Hill Tokyo 1974
- Basuki A. Suratman R. Surdia T. “Manufacturing of Nodular Cast Iron and its Method of Optimization (in Indonesian) Mesin V 182 Juli 1986 Bandung 1986
- Honey Combe R.W.K. “The Plastic Deformation of Metals” Edward Anold London 1977
- Minkoff, I. “The Physical Metallurgy of Cast Iron” John Wiley 1983
- Lietart F. “Some Theoretical Considerations on Graphite Nucleation During Solidification of Ductile Cast Iron Based on Quantitative Metailographic Measurements” Official exchange paper, 46 t ‘ 1 Foundry Congress Belgium
- Glagolev “Geometric Methods of Quantitative Analysis of Aggregates Under the Microscope” Gasgeolizdat Lvov 1941