A series of experimental trials was carried out to study the metallic bond produced when hypereutectic aluminum liners are cast-in hypoeutectic aluminum engine-blocks. The samples were cast in a rig that reproduces the conditions encountered during production of engine-blocks made of a type 319 aluminum alloy. The surface roughness of the liners was modified by sand blasting before casting. Some of the liners were cast after coating their surface with an amorphous carbon layer (soot) to study its effect on the metallic bond. The samples were sectioned and prepared for their examination and testing. It was found that soot does not allow the development of a metallic bond between liner and body and that the force required to remove the liners depended on such a bond; in any case, the force required to remove cast-in liners, even without bonding, was higher than that needed for removing gray iron press-in liners.
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February 2009
Technical Briefs
Cast-In Hypereutectic Aluminum Liners for Engine-Blocks
Fernando Morales,
Fernando Morales
Nemak
, Sociedad Anónima de Capital Variable, Libramiento Arco Vial km 3.8, García, 66000 Nuevo León, Mexico
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José Talamantes-Silva,
José Talamantes-Silva
Nemak
, Sociedad Anónima de Capital Variable, Libramiento Arco Vial km 3.8, García, 66000 Nuevo León, Mexico
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Salvador Valtierra,
Salvador Valtierra
Owens Corning
, Privada La Puerta 1110-A, Santa Catarina, 66350 Nuevo León, Mexico
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Alberto J. Pérez-Unzueta,
Alberto J. Pérez-Unzueta
Facultad de Ingeniería Mecánica y Eléctrica,
Universidad Autónoma de Nuevo León
, Apartado Postal 149-F, San Nicolás de los Garza, 66451 Nuevo León, Mexico
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Rafael Colás
Rafael Colás
Facultad de Ingeniería Mecánica y Eléctrica,
Universidad Autónoma de Nuevo León
, Apartado Postal 149-F, San Nicolás de los Garza, 66451 Nuevo León, Mexico
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Fernando Morales
Nemak
, Sociedad Anónima de Capital Variable, Libramiento Arco Vial km 3.8, García, 66000 Nuevo León, Mexico
José Talamantes-Silva
Nemak
, Sociedad Anónima de Capital Variable, Libramiento Arco Vial km 3.8, García, 66000 Nuevo León, Mexico
Salvador Valtierra
Owens Corning
, Privada La Puerta 1110-A, Santa Catarina, 66350 Nuevo León, Mexico
Alberto J. Pérez-Unzueta
Facultad de Ingeniería Mecánica y Eléctrica,
Universidad Autónoma de Nuevo León
, Apartado Postal 149-F, San Nicolás de los Garza, 66451 Nuevo León, Mexico
Rafael Colás
Facultad de Ingeniería Mecánica y Eléctrica,
Universidad Autónoma de Nuevo León
, Apartado Postal 149-F, San Nicolás de los Garza, 66451 Nuevo León, MexicoJ. Manuf. Sci. Eng. Feb 2009, 131(1): 014502 (4 pages)
Published Online: January 20, 2009
Article history
Received:
June 30, 2008
Revised:
December 5, 2008
Published:
January 20, 2009
Citation
Morales, F., Talamantes-Silva, J., Valtierra, S., Pérez-Unzueta, A. J., and Colás, R. (January 20, 2009). "Cast-In Hypereutectic Aluminum Liners for Engine-Blocks." ASME. J. Manuf. Sci. Eng. February 2009; 131(1): 014502. https://doi.org/10.1115/1.3063691
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