Zobrazeno 1 - 10
of 78
pro vyhledávání: '"Neusa Alonso-Falleiros"'
Autor:
Camila Haga Beraldo, José Wilmar Calderón-Hernández, Rodrigo Magnabosco, Neusa Alonso-Falleiros
Publikováno v:
Materials Research, Vol 22, Iss 1 (2018)
The effect of aging temperature on mechanical and pitting corrosion properties of UNS S46500 was investigated. Tensile and Hardness tests were carried out and the microstructure was analyzed by optical microscopy, scanning electron microscopy and X-r
Externí odkaz:
https://doaj.org/article/38d6c08b03a74bd3b456640335fa653f
Autor:
José Wilmar Calderón-Hernández, Lara Beatriz Braga Luz, Duberney Hincapie-Ladino, Neusa Alonso-Falleiros
Publikováno v:
Revista Ion, Vol 28, Iss 1, Pp 63-72 (2015)
Este documento presenta los resultados de una investigación sobre la influencia del Mn en solución sólida sobre la resistencia a la corrosión por picadura de dos aceros inoxidables austeníticos, uno denominado 17Cr6Mn5Ni y un acero comercial UNS
Externí odkaz:
https://doaj.org/article/9a83f38ef0aa4870be9f69887971eb17
Publikováno v:
Tecnologia em Metalurgia, Materiais e Mineração, Vol 9, Iss 3, Pp 173-181 (2012)
This study evaluates the effect of aging at 550°C on pitting corrosion of Cu10Ni-3Al-1.3Fe alloy, after potentiodynamic polarization test in 0.01 M Na2 SO4 in erosive condition. Cold rolled sheet specimens were solution treated at 900°C for 1
Externí odkaz:
https://doaj.org/article/1268ae9010924284a3e87db465660e18
Autor:
Bruno Nagle Armendro, Mario Fernando González Ramírez, Hélio Goldenstein, Neusa Alonso-Falleiros
Publikováno v:
Tecnologia em Metalurgia, Materiais e Mineração, Vol 9, Iss 3, Pp 220-228 (2012)
The objective of this study is to compare the corrosion resistance of the base metal (MB) and weld region (RCS) of a X80 pipeline in three types of aqueous solution of acetic acid (CH3COOH) 0,5% by weight: naturally aerated, non-aerated and non-aera
Externí odkaz:
https://doaj.org/article/8c24410e327a419588481268403871a7
Publikováno v:
Materials Research, Vol 5, Iss 1, Pp 77-84 (2002)
We investigated the effect of surface finish of two AISI 304L (UNS S30403) stainless steels on the corrosion potential (Ecorr) in 3.5% NaCl aqueous solution and its value was compared with the pitting potential (Ep) value and the type of anodic poten
Externí odkaz:
https://doaj.org/article/f1d05afc9d204e168e42027e6a5cfbb3
Publikováno v:
Materials Research, Vol 1, Iss 1, Pp 39-45 (1998)
The influence of niobium on corrosion resistance to 0.5M H2SO4 of 17% Cr ferritic stainless steels, to which it was added in amounts larger than that necessary to stabilize the interstitial elements, was investigated. Their performance was compared t
Externí odkaz:
https://doaj.org/article/bbbf38ee582b4d649d6dd5702397e091
Autor:
José Wilmar Calderón-Hernández, Duberney Hincapíe-Ladino, Rodrigo Magnabosco, Neusa Alonso-Falleiros
Publikováno v:
REM: International Engineering Journal, Vol 72, Iss 1, Pp 97-103
Abstract Pitting corrosion resistance of two austenitic stainless steels, 18Cr8Ni (Type 304L or UNS S30403 stainless steel) and 17Cr6Mn5Ni, was evaluated in three electrolytic solutions containing a fixed concentration of 0.6M sodium chloride and dif
Externí odkaz:
https://doaj.org/article/1e4109e12bdf4bb2b80bb675d34ef12f
Autor:
E F L Maciel, Eduardo Franco de Monlevade, Neusa Alonso-Falleiros, Idélcio Alexandre Palheta Cardoso
Publikováno v:
Engineering Failure Analysis. 96:562-569
An electrical failure in non-permanent gold plated connectors, detected during routine testing in the assembly line of mobile phones, is investigated. The connectors are coated with Electroless Nickel/Immersion Gold (ENIG) plating. The failure was ob
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6ddb7422e71d723b0e8bb6eb149534f3
https://doi.org/10.1016/j.engfailanal.2018.12.001
https://doi.org/10.1016/j.engfailanal.2018.12.001
Autor:
Duberney Hincapie-Ladino, Edson Benedito Martins Filho, Neusa Alonso-Falleiros, José Wilmar Calderón-Hernández, Rodrigo Magnabosco
Publikováno v:
CORROSION. 73:953-960
Pitting potential (Ep) and degree of sensitization (DOS) of a supermartensitic stainless steel (SMSS) were determined on specimens heat-treated at different tempering temperatures (550°C, 575°C, 600°C, 625°C, 650°C, or 700°C). The effect of pH
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6c50db58649677f447edd44e8cde2b45
https://doi.org/10.5006/2311
https://doi.org/10.5006/2311
Autor:
Duberney Hincapie-Ladino, José Wilmar Calderón-Hernández, Rodrigo Magnabosco, Mariana Perez de Oliveira, Neusa Alonso-Falleiros
Publikováno v:
Journal of Materials Engineering and Performance. 26:1664-1672
The influence of niobium addition in a supermartensitic stainless steel with 13Cr-5Ni-2Mo has been studied. The steel with Nb tempered at 600 °C for 2 h showed improved mechanical resistance properties and lower degree of sensitization, without comp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cb1e8eff8ef5307b213fa5f0001021d6
https://doi.org/10.1007/s11665-017-2610-1
https://doi.org/10.1007/s11665-017-2610-1