DOI: 10.11606/d.18.2020.tde-25082020-095014
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Vida em fadiga isotérmica e termomecânica de ferros fundidos cinzento classe 300 e vermicular classe 500

Abstract: Filho, orientador e amigo presente, por acreditar em mim, pela competência na partilha de conhecimento e por almejar, meu crescimento pessoal e profissional em todos os momentos.Ao Prof. Dr. Wilson Luiz Guesser, pelos ensinamentos e parceria no desenvolvimento deste trabalho, e também, pela estima e consideração demonstradas em todos os momentos.A fundição TUPY S.A, pela cooperação e suporte ao longo desta pesquisa, fornecendo os materiais utilizados nos diversos ensaios. Aos demais professores do SMM, que con… Show more

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“…As shown in Figure 8 and Figure 9a for the CGI 500, cracks start from graphite particles at or close to the specimen surface, with crack growth through the pearlitic matrix by fatigue striation (Figure 9b) with a cleavage appearance (grey phase), and by graphite matrix interface (black phase), until final failure by mixture of ductile and cleavage modes [12,14,15]. The cavities or rounded features observed on the fracture surface are voids left by the graphite or from the graphite that stayed in the other half [14,16].…”
Section: Resultsmentioning
confidence: 99%
“…As shown in Figure 8 and Figure 9a for the CGI 500, cracks start from graphite particles at or close to the specimen surface, with crack growth through the pearlitic matrix by fatigue striation (Figure 9b) with a cleavage appearance (grey phase), and by graphite matrix interface (black phase), until final failure by mixture of ductile and cleavage modes [12,14,15]. The cavities or rounded features observed on the fracture surface are voids left by the graphite or from the graphite that stayed in the other half [14,16].…”
Section: Resultsmentioning
confidence: 99%