Ethanolic Media Effect on the Susceptibility to Stress Corrosion Cracking in an X-70 Microalloyed Steel with Different Aging Treatments

Adrian del Pozo, Alvaro Torres, Julio César Villalobos, Heriberto Villanueva, Amilkar Fragiel, Jose Gonzalo Gonzalez Rodriguez and Sergio Alonso Serna Barquera
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Adrian del Pozo: CIICAp, Universidad Autónoma del Estado de Morelos, Av. Universidad 1001, Col. Chamilpa Cuernavaca, 62209 Morelos, Mexico
Alvaro Torres: FCQeI, Universidad Autónoma del Estado de Morelos, Av. Universidad 1001, Col. Chamilpa Cuernavaca, 62209 Morelos, Mexico
Julio César Villalobos: Departamento de Metal-Mecánica, Ingeniería en Materiales, Tecnológico Nacional de México/Instituto Tecnológico de Morelia, Avenida Tecnológico No. 1500, Col. Lomas de Santiaguito, C.P. 58120 Morelia, Michoacán, Mexico
Heriberto Villanueva: CIICAp, Universidad Autónoma del Estado de Morelos, Av. Universidad 1001, Col. Chamilpa Cuernavaca, 62209 Morelos, Mexico
Amilkar Fragiel: Laboratorio de Física de la Materia Condensada, Centro de Física, Instituto Venezolano de Investigaciones Científicas (IVIC), Apartado 20632, Caracas 1020-A, Venezuela
Jose Gonzalo Gonzalez Rodriguez: CIICAp, Universidad Autónoma del Estado de Morelos, Av. Universidad 1001, Col. Chamilpa Cuernavaca, 62209 Morelos, Mexico
Sergio Alonso Serna Barquera: CIICAp, Universidad Autónoma del Estado de Morelos, Av. Universidad 1001, Col. Chamilpa Cuernavaca, 62209 Morelos, Mexico

Energies, 2020, vol. 13, issue 12, 1-12

Abstract: The objective of this research was to evaluate the stress corrosion cracking (SCC) of X-70 micro-alloyed steel in contact with bio-ethanol and E-50 gasohol. Environmental factors, including water (1%, 3% and 5%) and NaCl (10 mg/L and 32 mg/L), as well as two aging treatments were studied. Experimental values were obtained by the Slow Strain Rate Test (SSRT) technique, X-ray fluorescence (XRF), and tensile test according to the information reported in the literature. The results of the SSRT for the SCC determination showed that this steel in these conditions did not show evidence of SCC, which was attributed to the formation of an oxide (Fe 2 O 3 ) not soluble in ethanol. The oxide layer acts as a protector preventing the formation of pitting, one of the main causes of cracks initiation in SCC.

Keywords: corn bio-ethanol; microalloyed steel; stress corrosion cracking (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:gam:jeners:v:13:y:2020:i:12:p:3277-:d:376118

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