Search Results - "Lopez, H.F."

Deformation induced FCC to HCP transformation in a Co–27Cr–5Mo–0.05C alloy by Mani, A., Salinas-Rodriguez, Lopez, H.F.

“…▶ The strain induced transformation (SIT) in a low carbon (0.05%) Co–Cr–Mo alloy was investigated. ▶ It was found that the presence of SIT ɛ-martensite causes…”
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Temperature effects on the tensile properties of cast and heat treated aluminum alloy A319 by Rincon, E., Lopez, H.F., Cisneros, M.M., Mancha, H.

“…In this work, the tensile properties and ductility of an Al-A319 alloy were investigated as a function of temperature and heat treatment. Tensile testing was…”
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Long term high temperature oxidation resistance of a nanoceria coated 316 SS under dry air conditions by Lopez, H.F., Mendoza-Del Angel, H.

“…In this work, nanoceria dip coated and uncoated 316 stainless steels were exposed to dry air at 1073–1273 K for times of up to 250 h. From this work, measured…”
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Role of nanoceria coatings on the high temperature oxidation of stainless steels: An atomistic simulation by Zhang, H., Lopez, H.F.

“…•Computer simulations were carried out using the Density Functional Theory.•Potential diffusional mechanisms for the oxidation of stainless steels were…”
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Solidification microstructures and mechanical properties of high-vanadium Fe–C–V and Fe–C–V–Si alloys by Fras, E., Kawalec, M., Lopez, H.F.

“…Fe–C–V and Fe–C–V–Si alloys of various C, V and Si compositions were investigated in this work. It was found that the phases present in both of these alloy…”
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Martensitic Transformation in a Cast Co-Cr-Mo-C Alloy by OOPEZ, H. F, SALDIVAR-GARCIA, A. J

“…The face-centered-cubic (fcc) to hexagonal close-packed (hcp) martensitic transformation exhibited by an as-cast Co-Cr-Mo-C alloy was investigated in this…”
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Corrosion and Cracking Behavior in an API X-80 Steel Exposed to Sour Gas Environments by Albarran, J.L., Aguilar, A., Martinez, L., Lopez, H.F.

“…ABSTRACTIn this work, self-loaded linear elastic fracture mechanics (modified wedge opening loading, M-WOL) specimens were used to investigate the stress…”
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Athermal ε-martensite transformation in a Co–20Cr alloy: Effect of rapid solidification on plate nucleation by Ramirez-Ledesma, A.L., Lopez-Molina, E., Lopez, H.F., Juarez-Islas, J.A.

“…In the present work, a drastic increase in the formation of athermal ε-martensite was experimentally found after casting a Co–20Cr alloy in a water cooled…”
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Effect of temperature on the tensile properties of an as-cast aluminum alloy A319 by Rincón, E., López, H.F., Cisneros, M.M., Mancha, H., Cisneros, M.A.

“…The tensile properties of an as-cast A319 alloy were investigated as a function of temperature. It was found that the A319-Al alloy remained inherently brittle…”
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Wear resistance of Cu–Ni–Mo austempered ductile iron by Pérez, M.J., Cisneros, M.M., López, H.F.

“…A series of ductile iron samples alloyed with 0.66% Cu, 1.02% Ni, and 0.26% Mo were austempered at 315 and 370 °C for 5–240 min and then tested for wear…”
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Defects induced through rapid solidification in a Co–20 Cr alloy by Ramirez – Ledesma, A.L., Luna – Manuel, J.C., Lopez, H.F., Juarez – Islas, J.A.

“…Martensitic transformation in cobalt alloys has been widely explored due to its complex nature. Recent studies demonstrated that rapid solidification enhances…”
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Microstructural characterization of TIG surface treating in Co-Cr-Mo-C alloy by Zangeneh, Sh, Lashgari, H.R., Lopez, H.F., Farahani, H.K.

“…The aim of the present study is to investigate the effect of surface melting using tungsten inert gas (TIG) welding process and rapid solidification on the…”
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Nanoceria coating imperfections and their effect on the high-temperature oxidation resistance of a 304 stainless steel by Lopez, H. F., Zhang, H.

“…The microemulsion method was employed in this work for synthesizing nanocrystalline cerium oxide particles. Average nanoparticle sizes of 3.45 nm were produced…”
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Nanoscale carbide precipitation in Co–28Cr–5Mo–0.3C implant alloy during martensite transformation by Zangeneh, Sh, Ketabchi, M., Lopez, H.F.

“…The precipitation of nanoscale carbides in Co-28Cr-5Mo-0.3C implant alloy during tungsten inert gas (TIG) welding has been systematically investigated. Based…”
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Microstructural aspects of sulfide stress cracking in an API X-80 pipeline steel by LOPEZ, H. F, RAGHUNATH, R, ALBARRAN, J. L, MARTINEZ, L

“…Crack growth in an API X-80 exposed to sour gas environments was investigated using modified wedge-opening-loaded (MWOL) specimens. The MWOL specimens were…”
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The role of heat treating on the sour gas resistance of an X-80 steel for oil and gas transport by LOPEZ, H. F, BHARADWAJ, R, ALBARRAN, J. L, MARTINEZ, L

“…In this work, the role of the microstructure in the stress sulfide cracking (SSC) resistance of an API X-80 steel was investigated by exposure of as-received…”
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Grain size effects on the SCC susceptibility of a nitrogen steel in hot NaCl solutions by López, H.F., Cisneros, M.M., Mancha, H., García, O., Pérez, M.J.

“…The effect of grain size on the exhibited stress corrosion cracking (SCC) resistance of an austenitic stainless steel containing 0.97 wt.% nitrogen was…”
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FCC to HCP transformation kinetics in a Co–27Cr–5Mo–0.23C alloy by Turrubiates-Estrada, R., Salinas-Rodriguez, A., Lopez, H. F.

“…In this work the kinetic aspects associated with the FCC → HCP martensitic transformation in a Co–27Cr–5Mo–0.23C alloy processed by powder metallurgy were…”
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Interface structure in carbon and graphite fiber reinforced 2014 aluminum alloy processed with active fiber cooling by Seong, H.G., Lopez, H.F., Robertson, D.P., Rohatgi, P.K.

“…The fiber/matrix interfaces developed in continuous carbon fiber (CF) and graphite fiber (GRF) reinforced 2014 aluminum matrix composites were characterized…”
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Development of aluminum hydroxides in Al–Mg–Si/SiCp in infiltrated composites exposed to moist air by Rodríguez-Reyes, M., Pech-Canul, M.I., Parga-Torres, J.R., Acevedo-Dávila, J.L., Sánchez-Araiza, M., Lopez, H.F.

“…In this work the degradation of metal/composite interfaces (M/C) in Al-Mg-Si/SiCp composites exposed to moist environments was investigated. The formation of…”
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