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Correlation of Structure Characteristics and Resonant Frequency Measurements with the Engineering Properties of Gray Iron
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Sector:
Event:
Mid-Year Meeting
Language:
English
Abstract
An investigation was conducted to learn more about the interrelations between the various physical and mechanical properties of gray iron. Particular emphasis was placed on exploring the factors which control the fatigue properties of gray iron. Four basic strength parameters -- density, hardness, dynamic elastic modulus, and damping capacity --were evaluated and correlated with tensile strength and mean fatigue limit.
The dynamic elastic modulus and damping capacity were determined from conventional resonant frequency equipment. Several quantitative relations were developed which permit estimation of the tensile strength and fatigue limit of gray iron without knowledge of the specific chemistry or solidification rate.
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Citation
Walter, G., "Correlation of Structure Characteristics and Resonant Frequency Measurements with the Engineering Properties of Gray Iron," SAE Technical Paper 650519, 1965, https://doi.org/10.4271/650519.Also In
References
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- Smith, J. O. “The Effect of Range of Stress on the Fatigue Strength of Metals.” Univ. of Ill. Engrg. Exp. Stat. Bull., Series No. 334
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- Merchant, H. D. Toriello, L. I. Wallace, J. F. “Inoculation Influence on Gray Iron Structure at Various Carbon Equivalences.” Modern Castings 39 5 May 1961 109 160
- Patterson, W. “Cast Iron Structure and Properties.” Modern Castings 41 3 March 1962 104 140