Zobrazeno 1 - 10 of 11 pro vyhledávání: '"J P Sanhueza"'
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Akademický článek
Laves phase formation in Fe-based alloys from strengthening particle to self-healing agent: a review
Autor: D Wackerling, D Rojas, A Oñate, F M Castro-Cerda, N Araya, J P Sanhueza
Publikováno v: Materials Research Express, Vol 10, Iss 12, p 122004 (2023)
In this study, were extensively reviewed the hardening and self-healing properties of Laves-phase in Fe-based alloys. First, the microstructural features of different polytypes of the Laves-phase, focusing on the thermodynamics and kinetics of format
Externí odkaz: https://doaj.org/article/104086fa37d544a19ed33f27a6b225a6
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2
Effect of Boron in the Coarsening Rate of Chromium-Rich Carbides in 9%–12% Chromium Martensitic Creep-Resistant Steel: Experiment and Modeling at 650 °C
Autor: F. M. Castro Cerda, A. F. Jaramillo, C. Montalba, Manuel F. Meléndrez, José Garcia, E. Toledo, D. Rojas, J. P. Sanhueza
Publikováno v: Metals and Materials International. 27:3097-3104
In this study, three martensitic creep-resistant steels with 100, 90, and 70 ppm of boron were investigated. The experimental data obtained from isothermal aging and creep test at 650 °C were compared with the results of simulation conducted using T
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::211b291672c285e37644e2124235be45
https://doi.org/10.1007/s12540-020-00676-y
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3
Formulation of a multifunctional coating based on polyphenols extracted from the Pine radiata bark and functionalized zinc oxide nanoparticles: Evaluation of hydrophobic and anticorrosive properties
Autor: J. P. Sanhueza, Manuel F. Meléndrez, J. Manoj Prabhakar, Michael Rohwerder, L.F. Montoya, C. Montalba, D. Rojas, Katherina Fernández, A. F. Jaramillo
Publikováno v: Progress in Organic Coatings. 135:191-204
With the purpose of improving the protection of steel ASTM A36 from corrosion, in this paper the use of tannin as an inhibitor was studied by incorporating it in an epoxy resin along with zinc oxide nanoparticles functionalized with 3-aminopropyltrie
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8e73280e7d0224a5ae38f9dade7f5e9d
https://doi.org/10.1016/j.porgcoat.2019.06.011
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6
Precipitation kinetics in a 10.5%Cr heat resistant steel: Experimental results and simulation by TC-PRISMA/DICTRA
Autor: J. P. Sanhueza, Manuel F. Meléndrez, O. Prat, José Garcia, C. Montalba, R. Espinoza, D. Rojas
Publikováno v: Materials Chemistry and Physics
The precipitation kinetics of secondary phases in a 10.5%Cr heat resistant steel, designed by the authors, was studied experimentally and theoretically. Experimental data of nucleation, growth and coarsening stages for M 23 C 6 carbides, V-MX, Nb-MX
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ece23a9a7d19b21000b8c6419c2aa999
https://doi.org/10.1016/j.matchemphys.2017.07.083
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7
Investigation of Ta-MX/Z-Phase and Laves Phase as Precipitation Hardening Particles in a 12 Pct Cr Heat-Resistant Steel
Autor: O. Prat, Manuel F. Meléndrez, D. Rojas, Sebastian Suarez, J. P. Sanhueza, José Garcia
Publikováno v: Metallurgical and Materials Transactions A
A 12 pct Cr martensitic/ferritic steel was designed and produced to study Laves and Z-phase as precipitation hardening particles under creep conditions (650 °C). According to thermodynamic calculations, W and Cu additions were selected to ensure the
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8886e17113effdf89e4628c88a9746d1
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8
Laves Phase in a 12% Cr Martensitic/Ferritic Steel: Evolution and Characterization of Nanoparticles at 650 °C
Autor: José Garcia, O. Prat, D. Rojas, Manuel F. Meléndrez, J. P. Sanhueza
Publikováno v: Journal of nanoscience and nanotechnology. 19(5)
A 12% Cr martensitic/ferritic with tailor-made microstructure was characterized by HRTEM after tempering (780 °C/2 h) and isothermal aging at 650 °C during 2 months and 1 year. The investigation was focused on the precipitation behavior of Laves ph
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d7aceb71cdf0fe8c9767647ef35fa719
https://pubmed.ncbi.nlm.nih.gov/30501807
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9
Study of nucleation, growth and coarsening of precipitates in a novel 9%Cr heat resistant steel: Experimental and modeling
Autor: José Garcia, C. Camurri, D. Rojas, J. P. Sanhueza, O. Prat
Publikováno v: Materials Chemistry and Physics. 143:754-764
Nucleation, growth and coarsening of three different precipitates (NbC, M 23 C 6 and V(C,N)) in a novel 9%Cr heat resistant steel designed by the authors were investigated. The microstructure evolution after tempering (780 °C/2 h) and after creep (6
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ee534b14e530b1ab8eae49dbb391ddb3
https://doi.org/10.1016/j.matchemphys.2013.10.010
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10
Computational modeling of the effect of B and W in the phase transformation of M23C6 carbides in 9 to 12 pct Cr martensitic/ferritic steels
Autor: J. P. Sanhueza, D. Rojas, Manuel F. Meléndrez, E. Toledo, A. F. Jaramillo, José Garcia, M. I. Alvarado, C. Montalba
Publikováno v: Materials Research Express. 6:1165d3
The effect of B and W in the precipitation kinetic of M23C6 carbides in martensitic/ferritic steels were studied assisted by ThermoCalc and TC-PRISMA. The simulation predicts that B has low solubility in the austenitic and ferritic matrix, thus promo
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cb97f64f8fc6316ededaaa411d82d23e
https://doi.org/10.1088/2053-1591/ab500c
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