Zobrazeno 1 - 10
of 98
pro vyhledávání: '"Yogendra Prasad Yadava"'
Autor:
Natasha Lopes Gomes, Rebeka Oliveira Domingues, Noelle D'Emery Gomes Silva, Vitor de Moura Lucindo, Ricardo Artur Sanguinetti Ferreira, Yogendra Prasad Yadava
Publikováno v:
Journal of Aerospace Technology and Management, Vol 12, Iss 1 (2020)
Ceramic matrix composites have attracted the interest of turbine manufacturers for use in coating hot sections because of their higher capacity to withstand high temperatures and because they have a lower requirement for air cooling. One of the most
Externí odkaz:
https://doaj.org/article/871c5bf413e74184a3272ff89c375e5d
Autor:
Rodrigo Nogueira Palha, Paternak Souza Barros, Yogendra Prasad Yadava, Carlos Costa Dantas, Ricardo Artur Sanguinetti Ferreira
Publikováno v:
Materials Research, Vol 22, Iss 6 (2019)
Gamma tomography was used in this work to evaluate the recurrent defects in welding processes in naval steel sheets. It was used a first-generation equipment consisting of a source of Cesium-137, with activity of the order of 200 mCi, coupled to a Th
Externí odkaz:
https://doaj.org/article/056f2d6e37fe4293b9f84e51cd28fb0a
Autor:
Catarina Esposito Mendes, Leonardo Gadelha Tumajan Costa de Melo, Ricardo Artur Sanguinetti Ferreira, Paternak Souza Barros, Tiago Leite Rolim, Yogendra Prasad Yadava
Publikováno v:
Materials Research, Vol 20, Iss suppl 2, Pp 722-728 (2017)
The lamination process adds the anisotropy characteristic in the final product. This anisotropy influences the yield strength according to the direction in question, the difference between the value of the yield tension in one direction and the value
Externí odkaz:
https://doaj.org/article/6285be8bf2db4e5da6492c41868a849c
Autor:
Henrique Jun Sugahara, Paternak Souza Barros, Leonardo Gadelha Tumajan Costa de Melo, Israel Lira Gonçalves, Tiago Leite Rolim, Yogendra Prasad Yadava, Ricardo Artur Sanguinetti Ferreira
Publikováno v:
Materials Research, Vol 21, Iss 4 (2018)
Residual stresses on welded joints have been studied by several methods. In this present work, residual stresses was measured by a novel methodology under development named Displacement of Coordinated Points (DCP). To evaluate anisotropy effects in s
Externí odkaz:
https://doaj.org/article/08f6766bdd90483abbec0595e82e16ea
Autor:
Marilaine Moreira de Lima, Rebeka Oliveira Domingues, Ricardo Artur Sanguinetti Ferreira, Yogendra Prasad Yadava
Publikováno v:
Materials Research, Vol 21, Iss 5 (2018)
In the present work niobium based complex cubic perovskite oxide Ba2AlNbO6 ceramics were produced, characterized and their stability in crude petroleum environment was studied for inert ceramic embedding used in petroleum extraction. Ba2AlNbO6 cerami
Externí odkaz:
https://doaj.org/article/c1fd97a4fe17488f8367fb1f119e1fd8
Publikováno v:
Materials Research, Vol 17, Iss 2, Pp 295-302 (2014)
The evenmatched welding conditions in FCAW-G process were used in API 5L X80 steel. In this study, two joint geometries (bevel 25° and 35°) with different process parameters were used. Each type of joint was welded with one type of consumable: AWS
Externí odkaz:
https://doaj.org/article/b711fad3aad6483b973b3c4e15fede35
Autor:
Renato Soares de Castro, Ricardo Artur Sanguinetti Ferreira, Igor Rafael Vilarouco Pedrosa, Yogendra Prasad Yadava
Publikováno v:
Materials Research, Vol 16, Iss 6, Pp 1350-1354 (2013)
Many studies propose thermomechanical routes to improve HSLA (high strength low alloy) steels by microstructural modification but ignore the study of occurrence of CSL boundaries. The occurrence of these special boundaries is influenced by thermomech
Externí odkaz:
https://doaj.org/article/c93c7a77dd13482cbf76eea9bff30795
Autor:
Igor Rafael Vilarouco Pedrosa, Renato Soares de Castro, Yogendra Prasad Yadava, Ricardo Artur Sanguinetti Ferreira
Publikováno v:
Materials Research, Vol 16, Iss 2, Pp 489-496 (2013)
Phase transformations in API 5L X80 steel were studied in different thermomechanical sequences with a view to increasing the fracture toughness of this steel. Dilatometry tests performed on the quenched steel detected a phase transformation occurred,
Externí odkaz:
https://doaj.org/article/7c7c5bc4139245b896d2e6cb43da4666
Autor:
Aníbal Veras Siqueira Filho, Tiago Leite Rolim, Yogendra Prasad Yadava, Francisco Ilo Bezerra Cardoso, Pablo Batista Guimarães, Theophilo Moura Maciel, Ricardo Artur Sanguinetti Ferreira
Publikováno v:
Materials Research, Vol 16, Iss 2, Pp 322-326 (2013)
Residual stresses in a welded joint of ASTM A131 grade AH32 steel was measured either by the X-ray diffraction or by displacements of referenced points measured on a coordinate measuring machine before and after heat treatment. For all tests, the wel
Externí odkaz:
https://doaj.org/article/64b1715ab1aa409484e959d847d8d5fb
Autor:
Ricardo Artur Sanguinetti Ferreira, Yogendra Prasad Yadava, Jean Michel Quenisset, Corinne Arvieu
Publikováno v:
Materials Research, Vol 16, Iss 2, Pp 310-314 (2013)
In this workmatrix consolidation mechanism has been investigated in 1D-Ti/SiC/C composites produced by Continuous Binder-Powder Coating - CBPC. Titanium metal matrix composites reinforced with continuous SiC/C filaments were analysed in different den
Externí odkaz:
https://doaj.org/article/b0d5ef3b9adf4479a068e09fc1964787