Mechacical properties of Ductile Cast Iron at different carbon equivelent and cast thickness
Abstract
Recently, Ductile or spheroidal Graphite Iron (SGI) emerged as a replacement to other types of cast iron owing to some specific applications. Because, it has good mechanical properties, better castability, machinability, and thermal resistance. This work investigates the mechanical properties of the produced ductile cast iron (SGI) at different CE and different thickness. The results indicated that Hardness, UTS, and yield strength for all values of the residual Mg increased by increasing CE and at the same CE %, the hardness, UTS, and yield strength decreased by increasing the section thickness from 20 mm to 80 mm. The Maximum hardness UTS, and yield strength values of the produced SGI alloys obtained in this study were 237 HB, 570 Mpa, and 319Mpa respectively. Elongation for all values of nodularity decreased by increasing CE, and at the same CE%, elongation increased by increasing the section thickness from 20 mm to 80 mm. Hardness, UTS, and yield strength increased by increasing the pearlite content in the matrix but elongation decreased.
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References
R. W. Heine and P. C. Rosenthal, "Principles of metal casting", McGraw Hill Book Co., (1995)
H.T. Angus, Cast Iron: Physical and engineering properties. London: Elsevier, 2013.
Z. Andrsova and L. Volesky, "The potential of isothermally hardened iron with vermicular graphite", COMAT 2012. 21.-22. 11. 2012. Plzeň, Czech Republic, EU. Retrieved May, 25. 2015 from http://www.comat.cz/files/- proceedings/11/reports/1060.pdf, 2012.
http://konsyst.tanger.cz/files/proceedings/metal_07/Lists/Papers/120.pdf.
ASTM, Standard test method for evaluating the microstructure of graphite in iron casting", Designation: A247− 16a, Current edition approved April 1, 2016. Published April 2016. DOI:10.1520/A0247-16A.
"ASM Metals Handbook", Volume 15, Casting: pp. 1445 - 1484.
C. Fragassa, N. Radovic, A. Pavlovic, and G. Minak," Comparison of mechanical properties in compacted and spheroidal graphite irons ", Vol. 38, No. 1 (2016) 45-56, Tribology in Industry www.tribology.fink.rs
Sugwon Kim, S.L. Cockcroft , A.M. Omran and Honam Hwang," Mechanical, wear and heat exposure properties of compacted graphite cast iron at elevated temperatures", Journal of Alloys and Compounds 487 (2009) 253–257
G. Gumienny, B. Kacprzyk, J. Gawroński, Effect of Copper on the Crystallization Process, Microstructure and Selected Properties of CGI, archives of foundry engineering, 17 (1) (2017) pp51-56
R.A.Gonzaga, Influence of ferrite and pearlite content on mechanical properties of ductile cast irons, Materials Science and Engineering: A Volume 567, 1 April 2013, Pages 1-8.
Ductile iron data for Design Engineers website: https://www.ductile.org/didata/Section3/3part1.htm
D. M. Stefanescu et al., Tensile Properties of Thin Wall Ductile Iron, Tensile Properties of Thin Wall Ductile Iron, AFS Transactions 02-178, (2002)
Jacques lacaze, aline boudot, vale´ rie gerval, djar oquab, and Henrique santos, The Role of Manganese and Copper in the Eutectoid Transformation of Spheroidal Graphite Cast Iron, Metallurgical And Materials Transactions A Volume 28A, (1997),pp 2015
P. Ferro, A. Fabrizi, R. Cervo, C. Carollo, Journal of Materials Processing Technology, Volume 213, Issue 9, September 2013, Pages 1601-1608.
Ductile Iron Society, websit: http://www.ductile.org/didata/Section2 /2intro.htm# The Casting Advantage.
S.C. Murcia, M.A. Paniagua, E.A. Ossa, Materials Science and Engineering: A, Volume 566, 20 March 2013, Pages 8-15.
R. K. Dasgupta, D. K. Mondal, A. K. Chakrabarti, A. C. Ganguli, Journal of Materials Engineering and Performance, August 2012, Volume 21, Issue 8, pp 1728-1736.
M. Ramadan, N. El-Bagoury, N. Fathy, M. A. Waly, A. A. Nofal, Journal of Materials Science, June 2011, Volume 46, Issue 11, pp 4013-4019.
Marcin Górny, Edward Tyrała Journal of Materials Engineering and Performance, Volume 22(1) January 2013—300-305.
K. Theuwissen, M. Lafont, L. Laffont, B. Viguier, J. Lacaze, Transactions of the Indian Institute of Metals, December 2012, Volume 65, Issue 6, pp 627-631).
Oscar Marcelo Suarez, Carl R. Loper Jr. Metallurgical and Materials Transactions A, August 2001, Volume 32, Issue 8, pp 2131-2133.
Serhan karaman, Cem s. Çetinarslan, “ Manufacturing process of GGG40 nodular cast iron “ International Scientific Conference 19 – 20 november 2010.
G. S. Choy, K. H. Choe, K. W. Lee and A. Ikenaga, J. Mater. Sci. Technol., Vol.23 No.1, (2007)97-100.
A.M.Omran , G. T. Abdel-Jaber, and M. M. Ali, Effect of Cu and Mn on the Mechanical Properties and Microstructure of Ductile Cast Iron, Int. Journal of Engineering Research and Applications, Vol. 4, Issue 6, June 2014, pp.90-96.
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