Zobrazeno 1 - 10
of 736
pro vyhledávání: '"J.P. Oliveira"'
Autor:
Paulo Henrique Grossi Dornelas, J.P. Oliveira, Tadeu Castro da Silva, A.S. Ramos, Telmo G. Santos
Publikováno v:
Journal of Materials Research and Technology, Vol 30, Iss , Pp 3571-3583 (2024)
In recent years, efforts have been focused on the development of metal additive manufacturing (AM) processes to address the growing trend of miniaturization in industries such as aerospace and electronics. Thus, new technologies have been developed b
Externí odkaz:
https://doaj.org/article/cf6ee392e8bc4762b64795acc826e125
Autor:
Jiajia Shen, Yeon Taek Choi, Rita Gonçalves, Norbert Schell, Jin Yang, Zhi Zeng, Ana Catarina Baptista, Hyoung Seop Kim, J.P. Oliveira
Publikováno v:
Materials & Design, Vol 242, Iss , Pp 112996- (2024)
Weldability plays a crucial role in the journey of high entropy alloys towards their engineering applications. In this study, gas metal arc welding was performed to join an as-rolled CoCrFeMnNi high entropy alloy using Monel 400 as the filler wire. T
Externí odkaz:
https://doaj.org/article/ff015cdd326b4073bc248a44f6a8f3fb
Autor:
Binqiang Li, Xianghong Liu, Tao He, Zhiping Li, Binbin Wang, J.P. Oliveira, Liang Wang, Jianxin Yu, Yanqing Su
Publikováno v:
Journal of Materials Research and Technology, Vol 28, Iss , Pp 3775-3780 (2024)
In the present work, the temperature and strain-rate dependence of the superelastic response behavior of NiTi shape memory alloys prepared via electron beam freeform fabrication (EBF3) technique and post-heat-treated is systematically studied. It is
Externí odkaz:
https://doaj.org/article/603f8a4e04ce43b1b8c05202934ca22d
Autor:
Jiajia Shen, Wei Zhang, J.G. Lopes, Yutao Pei, Zhi Zeng, E. Maawad, N. Schell, Ana C. Baptista, Rajiv S. Mishra, J.P. Oliveira
Publikováno v:
Materials & Design, Vol 238, Iss , Pp 112662- (2024)
In this work, a combination of in-situ high synchrotron X-ray diffraction and electron backscattered diffraction were used to systematically investigate the activation and evolution of the deformation mechanisms in an as-cast Fe42Mn28Co10Cr15Si5 meta
Externí odkaz:
https://doaj.org/article/36921883a383454cbad9f38fb3cbfad4
Publikováno v:
Arquivo Brasileiro de Medicina Veterinária e Zootecnia, Vol 75, Iss 2, Pp 303-312 (2023)
ABSTRACT The objective was to evaluate the supplementation of fat-soluble and water-soluble vitamins on the performance and plasma concentrations of vitamins in modern hybrids pigs. A total of 144 commercial hybrid castrated male, 43.531 ± 1.099kg,
Externí odkaz:
https://doaj.org/article/257b1d11e22c40a9bc00b06d4140f78d
Autor:
Min Zheng, Jin Yang, Jiayi Xu, Jiawei Jiang, Hua Zhang, J.P. Oliveira, Xueqi Lv, Jing Xue, Zhuguo Li
Publikováno v:
Journal of Materials Research and Technology, Vol 23, Iss , Pp 3997-4011 (2023)
A porous high entropy alloy (HEA) coating was prepared on a steel surface by vacuum sintering. The coating was then used as a transition layer during dissimilar laser joining of Al to steel. Compared with the uncoated laser joints, the liquid alloy s
Externí odkaz:
https://doaj.org/article/d0dd7763250c4f748093c77cd6348f2b
Publikováno v:
Heliyon, Vol 9, Iss 9, Pp e19672- (2023)
Additive Manufacturing (AM) demonstrates significant potential with rapid growth and widespread industrial adoption. To support the integration and innovation of AM technologies, the development of guidance tools and support methods are crucial, and
Externí odkaz:
https://doaj.org/article/dd40894b472446bc8459ea5bdb69e8eb
Autor:
Tiago A. Rodrigues, Francisco Werley Cipriano Farias, Kaiping Zhang, A. Shamsolhodaei, Jiajia Shen, N. Zhou, Norbert Schell, Jan Capek, E. Polatidis, Telmo G. Santos, J.P. Oliveira
Publikováno v:
Journal of Materials Research and Technology, Vol 21, Iss , Pp 237-251 (2022)
In this work, a 316L stainless steel to Inconel 625 functionally graded material (FGM) was built using different deposition strategies (named as direct and smooth-type interfaces) by Twin-Wire and Arc Additive Manufacturing (T-WAAM). This combination
Externí odkaz:
https://doaj.org/article/91baca1227cc4eab97fe469a3c742947
Autor:
J. Charkhchian, A. Zarei-Hanzaki, A. Moshiri, H.R. Abedi, Jiajia Shen, J.P. Oliveira, Kanwal Chadha, Clodualdo Aranas, Jr.
Publikováno v:
Journal of Materials Research and Technology, Vol 20, Iss , Pp 551-560 (2022)
The present work deals with the short-time thermal phase-stability of the as-cast eutectic AlCoCrFeNi2.1 high entropy alloy. Toward this end, the effect of different temperatures (800–1000 °C) and soaking times (15–60 min) on the stability of pr
Externí odkaz:
https://doaj.org/article/51924e291ec147cb8874b54f4cf6dba1
Autor:
Igor O. Felice, Jiajia Shen, André F.C. Barragan, Isaque A.B. Moura, Binqiang Li, Binbin Wang, Hesamodin Khodaverdi, Maryam Mohri, Norbert Schell, Elyas Ghafoori, Telmo G. Santos, J.P. Oliveira
Publikováno v:
Materials & Design, Vol 231, Iss , Pp 112004- (2023)
Shape memory alloys (SMA) are a class of smart materials with inherent shape memory and superelastic characteristics. Unlike other SMAs, iron-based SMAs (Fe-SMA) offer cost-effectiveness, weldability, and robust mechanical strength for the constructi
Externí odkaz:
https://doaj.org/article/c443f70658854344bfd4879076e7df56