Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Katia Regina Cardoso"'
Autor:
Luiz Antonio Carlos Moutinho Gomes, Dilermando Nagle Travessa, Jose Luis González-Carrasco, Marcela Lieblich, Katia Regina Cardoso
Publikováno v:
Materials Research, Vol 18, Iss suppl 2, Pp 48-54 (2015)
Aluminum matrix composites (AMC) are attractive structural materials for automotive and aerospace applications. Lightweight, environmental resistance, high specific strength and stiffness, and good wear resistance are promising characteristics that e
Externí odkaz:
https://doaj.org/article/47047e2be60942c7878c3ef5e7020126
Autor:
Katia Regina Cardoso, Dilermando Nagle Travessa, Alberto Moreira Jorge Junior, Walter José Botta
Publikováno v:
Materials Research, Vol 15, Iss 5, Pp 732-738 (2012)
High strength AA7050 aluminum alloy was processed by ECAP through route A in the T7451 condition. Samples were processed at 423 K, with 1 and 3 passes. The resulting microstructure was evaluated by optical microscopy (OM), scanning electron microscop
Externí odkaz:
https://doaj.org/article/ff7c816ad2f44623867f6dae12a82b64
Publikováno v:
Materials Science and Engineering: A. :1201-1205
In this work, mechanical alloying was used to produce precursor powders of 2024 and 7050 aluminium alloys containing titanium addition. Milling was performed in a planetary mill using a ball to powder weight ratio of 20:1 and a milling time varying f
Autor:
Dilermando N. Travessa, Fábio S. da Silva, Fernando H. Cristovan, Alberto M. Jorge Jr., Kátia Regina Cardoso
Publikováno v:
Materials Research, Vol 17, Iss 3, Pp 687-693 (2014)
The production of high performance metal matrix composites depends on a proper design of the surface of the reinforcing phase, ensuring a good contact with a metal phase. In the present work, two Ag decorating procedures to modify the surface of mult
Externí odkaz:
https://doaj.org/article/117597d69a4045d48aafb29ee3edadd3
Publikováno v:
Materials Research, Vol 17, Iss 3, Pp 775-780 (2014)
An aluminium matrix composite was prepared by mixing commercial aluminium powders and 15 vol % of FeAlCr powders and consolidation by hot extrusion. The extruded composite was subjected to severe plastic deformation by equal channel angular pressing
Externí odkaz:
https://doaj.org/article/1a0185829bf7468297fc52690c180c77
Publikováno v:
Materials Research, Vol 16, Iss 2, Pp 304-309 (2013)
The austenitic stainless steel 316L is the most used metallic biomaterials in orthopedics applications, especially in the manufacture of articulated prostheses and as structural elements in fracture fixation, since it has high mechanical strength. Ho
Externí odkaz:
https://doaj.org/article/6f3a3e754ccb462d947349a2c3463301
Autor:
Dilermando Nagle Travessa, Kátia Regina Cardoso, Witor Wolf, Alberto Moreira Jorge Junior, Walter José Botta
Publikováno v:
Materials Research, Vol 15, Iss 5, Pp 749-752 (2012)
In order to obtain quasicrystalline (QC) phase by mechanical alloying (MA) in the Al-Cu-Fe system, mixtures of elementary Al, Cu and Fe in the proportion of 65-20-15 (at. %) were produced by high energy ball milling (HEBM). A very high energy type mi
Externí odkaz:
https://doaj.org/article/4247b0da97a74ed5be0156a187ed45f5
Autor:
Adriano Passini, Aline Capella de Oliveira, Rudimar Riva, Dilermando Nagle Travessa, Kátia Regina Cardoso
Publikováno v:
Materials Research, Vol 14, Iss 3, Pp 417-422 (2011)
Interest in laser beam welding for aerospace applications is continuously growing, mainly for aluminum alloys. The joints quality is usually assessed by non-destructive inspection (NDI). In this work, bead on plate laser welds on 1.6 mm thick AA6013
Externí odkaz:
https://doaj.org/article/067b048e7cd34f74b8b4e9c70cbca0aa
Autor:
Sabrina de Fátima Ferreira Mariotto, Vanessa Guido, Liu Yao Cho, Cristina Pacheco Soares, Kátia Regina Cardoso
Publikováno v:
Materials Research, Vol 14, Iss 2, Pp 146-154 (2011)
Porous 316L austenitic stainless steel was synthesized by powder metallurgy with relative density of 0.50 and 0.30 using 15 and 30 wt. (%) respectively of ammonium carbonate and ammonium bicarbonate as foaming agents. The powders were mixed in a plan
Externí odkaz:
https://doaj.org/article/b4a0596495fe43f2b340f14463fad432
Publikováno v:
Materials Research, Vol 10, Iss 2, Pp 199-203 (2007)
In this work, solution heat treatments at different temperatures were performed in a commercial based AA7050 aluminium alloy, with and without titanium addition, produced by mechanical alloying and hot extrusion with the aim to investigate the effect
Externí odkaz:
https://doaj.org/article/8b90a3f0f81847adb6538d33f449c0a8