Buscar
Mostrando ítems 41-50 de 174
Quenching and Partitioning Process in Ductile Cast Irons
(INTEMA - UNMdP-CONICET, 2014)
Desenvolvimento do aço alto C-Si e Cr com matriz nanoestruturada de martensita e bainita
(Universidade Federal de Minas GeraisUFMG, 2011-02-04)
In this work was carried out the study and development of a commercial steel with high content of C, Si, Cr and with a nanostructured matrix of martensite and bainite. The steel used in this work was the SAE 9254 which is ...
Avaliação microestrutural em ponta e cauda de bobinas de aços Dual Phase 780 e TRIP 780 laminadas a frio
(Universidade Federal do Rio Grande do NorteBrasilUFRNEngenharia de Materiais, 2021)
Análise da influência do processamento termomecânico na microestrutura, propriedades mecânicas e textura cristalográfica de um aço 0,08C-8Mn
(Universidade Federal de Minas GeraisUFMG, 2018-11-13)
Medium manganese steels are a third generation class of advanced high strength steels (AHSS) that combine mechanical properties such as ductility, mechanical strength and fracture toughness, determining characteristics for ...
Microstructural effects on fatigue crack growth behavior of a microalloyed steel
(2010-04-01)
Thermal transformations on microalloyed steels can produce multiphase microstructures with different amounts of ferrite, martensite, bainite and retained austenite. These different phases, with distinct morphologies, are ...
Microstructural effects on fatigue crack growth behavior of a microalloyed steel
(2010-04-01)
Thermal transformations on microalloyed steels can produce multiphase microstructures with different amounts of ferrite, martensite, bainite and retained austenite. These different phases, with distinct morphologies, are ...
Efeito do carbono e do nitrogênio na microestrutura e dureza do aço AISI 420
(Universidade Tecnológica Federal do ParanáCuritibaBrasilGraduação em Engenharia MecânicaUTFPR, 2017-12-06)
The partial replacement of carbon by nitrogen on stainless steels has been the subject of a lot of scientific works, the majority of these works shows that there is a synergistic effect on the hardness and corrosion ...
Verificação de alteração de material de um componente de sistema de injeção diesel sob a óptica do desenvolvimento de produto e de seu processo de fabricação
(Universidade Tecnológica Federal do ParanáCuritibaBrasilCurso de Engenharia MecânicaUTFPR, 2018-07-05)
This final course assignement aimed to verify, from a company’s raw material cost reduction initiative, the material change of a Diesel injection system component from the AISI A6 to AISI 52100 under the topics of dimensional ...
Abrasion resistance of ductile iron austempered by the two-step process
(Elsevier Science SA, 2008-06)
The present work focuses in the study of the effect that a new two-step austempering heat treatment process, developed by Putatunda, has on the mechanical properties with emphasis on the response to the abrasive wear. A ...