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Featured researches published by J. C. Escobedo.


Materials & Design | 1996

Effect of nitrogen on the microstructure and mechanical properties of a CoCrMo alloy

J. C. Escobedo; Juan Méndez; D. A. Cortés; Juan Gómez; M. Méndez; H. Mancha

Abstract The effect of nitrogen on the microstructure and mechanical properties of a cobalt base alloy was studied. The treatments were carried out for contact times of 0, 15, 30, 45 and 55 min, between the gas the liquid metal. The treatment temperature was 1723 K at a nitrogen pressure of 0.67 atm. The results showed that as the nitrogen content increased, the tensile and fatigue strengths increased, the hardness increased slightly and the ductility decreased. The metallographic analysis showed that the nitrogen content had little effect on the grain size. When the nitrogen content in the alloy was increased, the formation of finer carbides of the M6C type was promoted ahead of the M23C6 type. The fine carbides tended to accumulate along the grain boundaries.


Scripta Materialia | 2006

Hydroxyapatite coating on a cobalt base alloy by investment casting

J. C. Escobedo; J.C. Ortiz; J.M. Almanza; D. A. Cortés


Journal of Biomedical Materials Research Part A | 2004

Effect of wollastonite ceramics and bioactive glass on the formation of a bonelike apatite layer on a cobalt base alloy

D. A. Cortés; A. Medina; J. C. Escobedo; S. Escobedo; M. A. López


Materials Letters | 2008

A heat treatment method for obtaining a bioactive cobalt base alloy

Juan Carlos Ortiz; D. A. Cortés; J. C. Escobedo; J.M. Almanza


Journal of Biomedical Materials Research Part A | 2006

Bioactivation of a cobalt alloy by coating with wollastonite during investment casting

J.M. Almanza; J. C. Escobedo; J.C. Ortiz; D. A. Cortés


Revista De Metalurgia | 2003

Estudio cinético de la eliminación de magnesio en las aleaciones de aluminio mediante la inyección de polvos de sílice

J. C. Escobedo; J. F. Fernández; S. Escobedo; A. Flores; D. A. Cortés


Materiales De Construccion | 2014

Effect of citric acid and the hemihydrate amount on the properties of a calcium sulphoaluminate cement

G. Velazco; J.M. Almanza; D. A. Cortés; J. C. Escobedo; J. I. Escalante-Garcia


Materiales De Construccion | 2014

Synthesis and mechanical properties of a calcium sulphoaluminate cement made of industrial wastes

M. Gallardo; J.M. Almanza; D. A. Cortés; J. C. Escobedo; J. I. Escalante-Garcia


Materials Letters | 2011

Bioactive coating on a cobalt base alloy by heat treatment

J.C. Ortiz; D. A. Cortés; J. C. Escobedo; J.M. Almanza; C.R. Muñiz; J.S. Luna; Nelly Rodríguez


Materiales De Construccion | 2014

Effect of the strontium aluminate and hemihydrate contents on the properties of a calcium sulphoaluminate based cement

G. Velazco; J.M. Almanza; D. A. Cortés; J. C. Escobedo; J. I. Escalante-Garcia

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S. Escobedo

Instituto Tecnológico de Saltillo

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A. Medina

Instituto Tecnológico de Saltillo

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