Microstructural determination of CO2 stress corrosion cracking in high-strength carbono steel wires for flexible pipes

Abstract: The susceptibility of high-strength carbon steel wires to CO2-stress corrosion cracking (CO2-SCC) was evaluated through electrochemical monitoring, alternating load tests, EBSD, SEM, and Raman spectroscopy under identical service-simulated conditions (10.6 bar CO₂, 40 ◦C, 80 % yield stress). Only the eutectoid Steel A exhibited SCC, associated with spheroidized cementite Leia mais…

Compósitos poliméricos de alto desempenho: da pesquisa ao desenvolvimento de soluções inovadoras para o setor automotivo

Referência: SANTOS, Luis Felipe de Paula; RIBEIRO, Luciano. Compósitos poliméricos de alto desempenho: da pesquisa ao desenvolvimento de soluções inovadoras para o setor automotivo. In:  CONGRESSO SAMPE BRASIL E PAINEL AEROESPACIAL, TECH DAY COMPOSITES AVANÇADOS, 2025, São José dos Campos. Palestra… 27 slides. (Palestra apresentada no Parque de Inovação Tecnológica Leia mais…

Investigating the influence of trace tantalum on the microstructure and mechanical properties of niobium microalloyed steels

Abstract: The global production of niobium-microalloyed steels is now a well-established industrial practice. Initially driven by experimental insights into niobium’s ability to refine steel microstructures during thermomechanical processing, this technology has become especially prevalent in low-alloy steels. An important aspect of niobium’s production is its natural association with tantalum, which Leia mais…

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