Rolling and Rolling-Sliding Contact Fatigue Failure Mechanisms in 32 CrMoV 13 Nitrided Steel—An Experimental Study

Autor: António Castanhola Batista, Joao P. Nobre, Maria José Marques, Luís Manuel de Jesus Coelho

Publikováno v: Applied Sciences
Volume 11
Issue 21
Applied Sciences, Vol 11, Iss 10499, p 10499 (2021)

The aim of this work is to characterize the rolling and rolling-sliding contact fatigue failure mechanisms on the 32CrMoV13 nitrided steel. During rolling contact fatigue tests (RCF), two general features were observed: specimens presenting short liv

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e56961e94f6586d7d30f28deba335b20

Assessing Shot-Peening Residual Stresses by Using the Incremental Hole-Drilling Technique and Laser Interferometry (DSPI)

Autor: António Castanhola Batista, Armando Albertazzi, Luís Manuel de Jesus Coelho, Maria José Marques, Joao P. Nobre, Matias Viotti, Miguel Alfonso Oliveira

Publikováno v: Repositório Científico de Acesso Aberto de Portugal
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP

Artigo em acesso restrito. The incremental hole-drilling technique was applied to determine residual stress profiles in shot-peened steel layers. The accuracy of using an enhanced Digital Speckle Pattern Interferometry technique for measuring the str

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cb3aa2fde02d7372542e571ae6fb034f
https://doi.org/10.4028/www.scientific.net/amr.996.269

Wear and surface residual stress evolution on twin-disc tests of rail/wheel steels

Autor: Paulo M.S.T. de Castro, Luís Carlos de Souza Ferreira, Luís Manuel de Jesus Coelho, António Castanhola Batista, Daniel F.C. Peixoto, Joao P. Nobre, Diogo Mesquita Ramos

Publikováno v: Repositório Científico de Acesso Aberto de Portugal
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP

Twin disc tribological tests were performed in wheel and rail materials, with specimens taken from a Spanish AVE train wheel and a UIC60 rail, in a program intended to characterize their contact fatigue behavior. The X-ray diffraction technique was u

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9b02cb121c7f94c49dbbaabd34b2438e

Residual stresses profiles of cladded austenitic stainless steel evaluated by X-ray diffraction and by incremental hole-drilling method

Autor: Luís Manuel de Jesus Coelho, Joao P. Nobre, Maria José Marques, António Castanhola Batista, Altino Loureiro

Publikováno v: Repositório Científico de Acesso Aberto de Portugal
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP

The samples studied in this paper were performed from carbon steel plates, cladded in one of the faces with stainless steel filler metals by submerged arc welding (SAW). After cladding work, the samples were submitted to post-weld heat treatments at

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bc46c19c2960b61c5e1f4da37a6efefa
https://hdl.handle.net/10400.8/1285

Experimental and numerical rolling contact fatigue study on the 32CrMoV13 steel

Autor: Luís Manuel de Jesus Coelho, Habibou Maitournam, A. M. Dias, H. P. Lieurade

Publikováno v: Fatigue and Fracture of Engineering Materials and Structures
Fatigue and Fracture of Engineering Materials and Structures, Wiley-Blackwell, 2004, 27, pp.811-823. ⟨10.1111/j.1460-2695.2004.00797.x⟩
Repositório Científico de Acesso Aberto de Portugal
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP

The aim of this work is to study pure rolling contact fatigue in 32CrMoV13 quenching and tempering steel. The study involves both experimental and numerical work. The influence of the roughness and the residual stresses on the mechanisms and zones of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fe9d0f078e2bfc7c02ef823bfdb8d306
https://hal.archives-ouvertes.fr/hal-00111417