Zobrazeno 1 - 10
of 406
pro vyhledávání: '"δ-ferrite"'
Autor:
Shijie Wang, Xingyu Lu, Jian Guan, Hongwei Liu, Chengshuai Lei, Chen Sun, Lina Zhou, Ming Liu, Ju Huang, Yanfei Cao, Qiang Wang, Dianzhong Li
Publikováno v:
Journal of Materials Research and Technology, Vol 31, Iss , Pp 3551-3562 (2024)
Residual δ-ferrite is ubiquitous in M50NiL bearing steel and seriously deteriorates impact toughness. In the present work, the formation mechanism of δ-ferrite in M50NiL steel and the influence of element segregation on its formation process were i
Externí odkaz:
https://doaj.org/article/66ab335628014f5898aec8a858b3c57d
Publikováno v:
Journal of Materials Research and Technology, Vol 30, Iss , Pp 8635-8647 (2024)
The crack growth behavior and microstructural evolution of 316H austenitic stainless steel welded joints subjected to load-controlled creep-fatigue crack growth at 550 °C was investigated in this study. A comprehensive analysis of the fracture mecha
Externí odkaz:
https://doaj.org/article/aa1d3bb5e2b1481c931a074fb85b49f9
Publikováno v:
Defence Technology, Vol 32, Iss , Pp 405-411 (2024)
By both the Charpy V-notched impact and the projectile tests, we here investigated the dynamic fracture behavior of a recently developed ultrastrong lightweight steel comprising a hierarchical martensitic matrix, dispersed ultra-fine-retained austeni
Externí odkaz:
https://doaj.org/article/2fe3b73ce768436b8eb121d0061786e8
Publikováno v:
Journal of Materials Research and Technology, Vol 28, Iss , Pp 2955-2961 (2024)
δ-ferrite usually plays an important role in the mechanical properties of martensitic stainless steel. However, there are few studies on the effect of δ-ferrite on hydrogen embrittlement (HE) in martensitic steel. In this study, the H-trapping of
Externí odkaz:
https://doaj.org/article/93cc8e95d09e4f829be689e9cfa3de8e
Publikováno v:
Metals, Vol 14, Iss 9, p 1011 (2024)
This study examines the effects of stick-out, welding current, welding speed, and voltage on the mechanical characteristics and microstructure of MIG welding on SUS 304 stainless steel and S20C steel. The Taguchi method was used to maximize the exper
Externí odkaz:
https://doaj.org/article/3a9d6630d5b741baa2e0f7be9b98596b
Publikováno v:
Metals, Vol 14, Iss 9, p 1020 (2024)
Maraging steels hardened by Cu + NiAl precipitation have recently garnered attention owing to their relatively low cost and exceptionally high strength. However, the high alloy content can cause issues such as solidification cracking, particularly in
Externí odkaz:
https://doaj.org/article/3800935d607244a7a202d40b75cc3dee
Autor:
Rahman Bajmalu Rostami, Pedro de Souza Ciacco, Mauricio Claudio Viali Muñoz, Luis Fellipe Simoes, Calixto Isaac Garcia
Publikováno v:
Metals, Vol 14, Iss 7, p 783 (2024)
The dissolution behavior of δ-ferrite in two commercial stainless steels, 15-5PH and M-154, was studied. In this work, a new approach combining hot deformation and additional post-treatment was investigated and compared with conventional annealing h
Externí odkaz:
https://doaj.org/article/afbec769dd8d4f2e8a70c9cb7ed76eec
Autor:
Felipe Ribeiro Teixeira, Vinicius Lemes Jorge, Fernando Matos Scotti, Erwan Siewert, Americo Scotti
Publikováno v:
Materials, Vol 17, Iss 13, p 3328 (2024)
The main objective of this work was to propose and evaluate a methodology for shielding-gas selection in additive manufacturing assisted by wire arc additive manufacturing (WAAM) with an austenitic stainless steel as feedstock. To validate the propos
Externí odkaz:
https://doaj.org/article/38c73d83cd22436ead44432d4fc629f4
Publikováno v:
Materials, Vol 17, Iss 1, p 232 (2023)
This investigation aims to analyze the effect of homogenization heat treatment at 1240 °C for 2 and 6 h on the hardness, distribution, morphology, and chemical composition of the δ-ferrite and sigma phases in 316L stainless steel cast billet. A fie
Externí odkaz:
https://doaj.org/article/721d94939d2d4984b716ba7782539f11
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