Juan Bosch
University of Akron
Vacancy defectAnalytical chemistrySilica fumeMortarRustChemical compositionComposite materialControlled releaseMetallurgyMaterials scienceCrystallizationCorrosionGoethiteSulfateCarbon steelChloridePitting corrosionTwipLepidocrociteCorrosion behaviorChemical engineeringChromiumElectrochemistryReinforcementDielectric spectroscopy
18Publications
5H-index
38Citations
Publications 18
Newest
#1Ulises Martin (University of Akron)H-Index: 4
#2Juan Bosch (University of Akron)H-Index: 5
Last. David M. Bastidas (University of Akron)H-Index: 22
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Abstract The corrosion behavior, semiconducting properties and chemical composition of the passive film formed on lean-duplex stainless steel LDSS 2001, LDSS 2304 and AISI 304 reinforcements embedded in OPC mortar containing chloride, 0, 0.4, 2 and 4 wt% Cl−; after 2.5 years were studied. The Ceff,film of LDSS 2001 remained constant at 3 × 10−5 F/cm2 for all Cl− concentrations. Flat-band potential, EFB,A, of LDSS 2001 increased with the Cl− concentration, suggesting a Cr2O3 film more prone to ac...
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#1David M. Bastidas (University of Akron)H-Index: 22
#2A. GilH-Index: 1
Last. Sebastián F. Medina (CSIC: Spanish National Research Council)H-Index: 25
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Abstract Herein, a premature failure analysis of structural tempered high-strength boron steel 27MnCrB5–2 bolts (0.0006 wt. B), used for railcar wheel-axle assembly, is presented. Fractographic analysis revealed a moderate ductile fracture. The applied torque produced elongation of the bolt until final fracture. A scarce presence of precipitates was observed, mainly of Ti(C,N), TiC, and inclusions such as Al2O3 and MnS. The mechanical properties of the boron steel 27MnCrB5–2 bolts were 1112 and ...
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#1Ulises Martin Diaz (University of Akron)
#2Juan Bosch (University of Akron)H-Index: 5
Last. David M. Bastidas (University of Akron)H-Index: 22
view all 4 authors...
The corrosion behavior, semiconducting properties and chemical composition of the passive film formed on lean-duplex stainless steel LDSS 2001, LDSS 2304 and AISI 304 reinforcements embedded in OPC mortar containing chloride, 0, 0.4, 2 and 4 wt.% Cl‒; after 2.5 years were studied. The Ceff,film of LDSS 2001 remained constant at 3×10‒5 F/cm2 for all Cl‒ concentrations. Flat-band potential, EFB,A, of LDSS 2001 increased with the Cl− concentration, suggesting a Cr2O3 film more prone to accept elect...
#1Jacob Ress (University of Akron)H-Index: 5
#2Ulises Martin Diaz (University of Akron)
Last. David M. Bastidas (University of Akron)H-Index: 22
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Colophony microcapsules synthesized by water in oil in water double emulsion containing NaNO2 corrosion inhibitors were investigated for controlled release in simulated concrete pore solutions. With high encapsulation efficiency of 83% measured by induced coupled plasma optical emission spectroscopy, the microcapsules were introduced to solutions of deionized water (pH 6.8), carbonate bicarbonate buffer solution (pH 9.1), and simulated concrete pore solution made of saturated calcium hydroxide (...
#1Juan BoschH-Index: 5
#2Ulises MartinH-Index: 4
Last. David M. BastidasH-Index: 22
view all 5 authors...
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#1Laura Landa-RuizH-Index: 5
Last. David M. BastidasH-Index: 22
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This research evaluates the behavior corrosion of galvanized steel (GS) and AISI 1018 carbon steel (CS) embedded in conventional concrete (CC) made with 100% CPC 30R and two binary sustainable concretes (BSC1 and BSC2) made with sugar cane bagasse ash (SCBA) and silica fume (SF), respectively, after 300 days of exposure to 3.5 wt.% MgSO4 solution as aggressive medium. Electrochemical techniques were applied to monitor corrosion potential (E corr) according to ASTM C-876-15 and linear polarizatio...
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#1David M. BastidasH-Index: 22
#2Jacob RessH-Index: 5
Last. Ulises MartinH-Index: 4
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Twinning-induced plasticity (TWIP) steels have higher strength and ductility than conventional steels. Deformation mechanisms producing twins that prevent gliding and stacking of dislocations cause a higher ductility than that of steel grades with the same strength. TWIP steels are considered to be within the new generation of advanced high-strength steels (AHSS). However, some aspects, such as the corrosion resistance and performance in service of TWIP steel materials, need more research. Appli...
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#1Jacob RessH-Index: 5
#2Ulises MartinH-Index: 4
Last. David M. BastidasH-Index: 22
view all 4 authors...
The protection of mild steel by modified epoxy coating containing colophony microencapsulated corrosion inhibitors was investigated in this study. The corrosion behavior of these epoxy coatings containing colophony microcapsules was studied by electrochemical analysis using cyclic potentiodynamic polarization and electrochemical impedance spectroscopy. The microcapsule coating showed decreased corrosion current densities of 2.75 × 10−8 and 3.21 × 10−8 A/cm2 along with corrosion potential values ...
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#1Juan Bosch (University of Akron)H-Index: 5
#2Ulises Martin (University of Akron)H-Index: 4
Last. David M. Bastidas (University of Akron)H-Index: 22
view all 6 authors...
The corrosion behavior of austenitic Fe-Mn-Al-Cr-C twinning-induced plasticity (TWIP) and microband-induced plasticity (MBIP) steels with different alloying elements ranging from 22.6-30 wt.% Mn, 5.2-8.5 wt.% Al, 3.1-5.1 wt.% Cr, to 0.68-1.0 wt.% C was studied in 3.5 wt.% NaCl (pH 7) and 10 wt.% NaOH (pH 14) solutions. The results obtained using potentiodynamic polarization and electrochemical impedance spectroscopy (EIS) techniques, alongside optical microscopy analysis, revealed pitting as the...
Source
#1Ulises MartinH-Index: 4
#2Jacob RessH-Index: 5
Last. David M. BastidasH-Index: 22
view all 4 authors...
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