January-March 2010; 13(1)
Materials Research
ISSN 1516-1439
Materials Research
Ibero-american Journal of Materials
Regular Articles
Comparative Evaluation of the pH of Calcium Hydroxide Powder in Contact with Carbon Dioxide (CO2)
Amaro de Mendonça Cavalcante, Jose Carlos de Souza Lima, Lucineide de Melo Santos,
Paulo César Costa de Oliveira, Karlos Antonio Lisboa Ribeiro Júnior, Antonio Euzébio Goulart Sant’ana........... 1
Low Potential Stable Glucose Detection at Dendrimers Modified Polyaniline Nanotubes
Alessandra Nogueira Santos, Demétrio Artur Werner Soares, Alvaro Antonio Alencar de Queiroz......................... 5
Effect of Processing Parameters on Scale Formation During Hot Steel Strip Rolling
Sergio de Oliveira Lima Júnior, Júlio Cezar Bellon, Paulo Antônio de Souza Júnior,
Fernando Gabriel da Silva Araújo, André Barros Cota.......................................................................................... 11
Feed Forward Neural Network for Prediction of end Blow Oxygen in LD Converter Steel Making
Narra Rajesh, Malaya Ranjan Khare, Shyamal Kumar Pabi.................................................................................. 15
The Effect of Weld Geometry and Post-Weld Heat Treatment on the Corrosion Behaviour of Austenitic
Stainless Steel Immersed in 1.0 M NaCl Solution
Oladele Isiaka Oluwole, Joseph Ajibade Omotoyinbo, Akinwekomi Akeem Damilola........................................... 21
Influence of Storage Times on Bond Strength of Resin Cements to Root Canal
Matheus Coêlho Bandéca, Amr Shebl Kassem, Omar El-Mowafy, Michele Regina Nadalin,
Renato Souza Queiroz, Victor Rene Grover Clavijo, José Roberto Cury Saad....................................................... 25
Microstructural and Nonohmic Properties of ZnO.Pr6O11 CoO Polycrystalline System
Miguel Angel Ramírez, José Francisco Fernández, José de Frutos, Paulo Roberto Bueno,
Elson Longo, José Arana Varela.............................................................................................................................. 29
Metallic Ions in Organs of Rats Injected with Metallic Particles of Stainless Steel 316L and Ti6Al4V Alloy
Silvia Helena Giertz, Beatriz Luci Fernandes, Carlos Roberto Fernandes, Celia Regina Cavichiolo Franco....... 35
Analysis of Polymerization Time on Abrasive Wear of Dental Resins
Eduardo Carlos Bianchi, Michele Paoline de Martins Ulhôa, Paulo Roberto Aguiar, César Antunes de Freitas,
Gilberto de Magalhães Bento Gonçalves................................................................................................................ 41
Corrosion Behavior of Ti and TI6Al4V in Citrate Buffers Containing Fluoride Ions
Anelise Marlene Schmidt, Denise Schermann Azambuja........................................................................................ 45
Evaluation of Linear Polymerization Shrinkage, Flexural Strength and Modulus of Elasticity of
Dental Composites
Gabriela Queiroz de Melo Monteiro, Marcos Antonio Japiassú Resende Montes.................................................. 51
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Metronidazole Release Using Natural Rubber Latex as Matrix
Rondinelli Donizetti Herculano, Sérgio Augusto Catanzaro Guimarães, Gustavo Campos Belmonte,
Marco Antonio Hungaro Duarte, Osvaldo Novais de Oliveira Júnior, Angela Kinoshita,
Carlos Frederico de Oliveira Graeff........................................................................................................................ 57
Use of the Mar-Lin Criteria to Determine the Influence of Porosity on the Iosipescu and
Short Beam Shear Properties in Carbon Fiber Polymer Matrix Composites
Antonio Carlos Ancelotti Junior, Luiz Claudio Pardini, Eduardo Marcelo Bezerra, Dennis Roach....................... 63
Incorporation of Europium III Complex into Nanoparticlesand Films Obtained by the Sol-Gel
Methodology
Faley Jean de Sousa, Gilberto Pansani Altino de Lima, Lílian Rodrigues Ávila, Katia Jorge Ciuffi,
Paulo Sergio Calefi, Eduardo José Nassar.............................................................................................................. 71
Evaluation of Surface Roughness of a Nanofill Resin Composite After Simulated Brushing and Immersion
in Mouthrinses, Alcohol and Water
Ana Carolina de Carvalho Rocha, Cecília Santiago Araújo de Lima, Maria do Carmo Moreira da Silva Santos,
Marcos Antonio Japiassú Resende Montes.............................................................................................................. 77
Post-Irradiation Vickers Microhardness Development of Novel Resin Composites
Hanadi Yousif Marghalani....................................................................................................................................... 81
Dynamic Adsorption of Chromium Ions onto Natural and Crosslinked Chitosan Membranes for
Wastewater Treatment
Emerson Meneghetti Paula Baroni, Rodrigo Silveira Vieira, Meuris Gurgel Carlos da Silva,
Marisa Masumi Beppu............................................................................................................................................. 89
Evaluation of Blood Compatibility of Plasma Deposited Heparin-like Films and SF6 Plasma Treated
Surfaces
Ivanira Antunes Perrenoud, Elidiane Cipriano Rangel, Rogério Pinto Mota, Steven Frederick Durrant,
Nilson Cristino da Cruz........................................................................................................................................... 95
Sintering Unalloyed Titanium in DC Electrical Abnormal Glow Discharge
Allan Seeber, Aloisio Nelmo Klein, Carlos Viana Speller, Paola Egert, Fabio Angheben Weber,
Alexandre Lago........................................................................................................................................................ 99
Mechanical Behavior of non Veneered Three Unit Fixed Partial Dentures of Alumina-Zirconia Under
Cyclic Load in Wet Environment
Flavio Teixeira da Silva, Rafael Andreiuolo, Carlos Eduardo Sabrosa................................................................ 107
Phase Transformation Studies af a Low Alloy Steel in the (a + γ) Phase Region
Kenneth Kanayoa Alaneme, Celestine Mondeb Kamma........................................................................................ 113
Microstructural Path Analysis of Martensite Burst
Paulo Rangel Rios, José Roberto Costa Guimarães.............................................................................................. 119
Editorial
Materials Research - Ibero-american Journal of Materials
Judicious, fair and educative!
This 46th issue of Materials Research contains
22 original articles, and about 100 are under review.
Figure 1 shows the number of authors of Mat.
Res. papers working at Brazilian institutions and in
other countries from 2005 to 2010. Its outstanding
feature is that the percentage of foreign authors has
always been small - fluctuated between 1-10% - but
a very substantial increase was recently observed
in the number of foreign authors, i.e. about 45% of
the authors of the 2009 papers are foreign! As to the
origin of these authors, they work in 30 different
countries, lead by India, Argentina, USA and
Mexico, in this order. It is still too early to confirm or
not this tendency for the future (the 2010 data refer
to the present issue), but this “phase transformation”
was clearly nucleated by the recent indexation of
Mat. Res. in the ISI database. These data indicate
that Mat. Res. has now reached a significant level
of international exposure. We thus expect that its
impact factor will steadily increase in the next few
years.
Figure 1. Number of Brazilian and foreign authors of Mat. Res. papers. The
data for 2010 refer to the present issue.
Present statistics indicate that about 60% of the
articles submitted to Mat. Res. are accepted (after
minor or major corrections) and published. The time
from submission to publication varies from 2 to
12 months, whereas the time for rejection varies from
1 to 6 months; the rate limiting factor being the review
process. We take this opportunity to cordially ask our
authors and readers - potential reviewers - to respond
swiftly to our demands.
From the rationale of the above paragraphs, it is
clear that our present main goals are: to minimize
the time of the review process and to further increase
the international exposure of Material Research, both
aiming to increase its impact factor.
Materials Research is also published in electronic
format at Scielo (www.scielo.br/mr). At ­p resent
­Materials Research is indexed by the Science ­Citation
Index-Expanded (SCIE), which includes the Web of
Science, ISI Alerting Service and Materials ­Science
Citation Index (MSCI), Chemical Abstracts, World
­C eramic Abstracts, International Pool of Glass
­Abstracts, Scopus and Scielo.
We gratefully acknowledge the Brazilian funding
agencies CNPq and CAPES for their continuous support
in covering most of the editorial and printing costs of
Mat. Res. The help from the Department of Materials
Engineering, Federal University of São Carlos DEMa/
UFSCar) for mailing expenses; the Vitreous Materials
Laboratory LaMaV/UFSCar) for fax and telephone
expenses are also acknowledged. Associação Brasileira
de Metalurgia, Materiais e Mineração (ABM) and
Associação Brasileira de Polímeros (ABPol) cover
the editorial assistant’s salary. Associação Brasileira
de Cerâmica – ABC, ABPol, and ABM have also
helped advertising M
­ aterials Research and managing
its subscriptions and financial resources.
Edgar Dutra Zanotto
Editor-in-chief
March 10, 2010