Zobrazeno 1 - 10
of 7 182
pro vyhledávání: '"Retained Austenite"'
Publikováno v:
工程科学学报, Vol 46, Iss 11, Pp 2017-2025 (2024)
With the increasing demand for large-scale, lightweight, and highly safe ocean transportation vessels and drilling equipment, as well as the growing need for environmentally friendly steels, the demand for high-strength, high-toughness, and weldable
Externí odkaz:
https://doaj.org/article/d5b5848585dd48c693fbaff7b6116d00
Publikováno v:
Tribology and Materials, Vol 3, Iss 3, Pp 118-130 (2024)
The present study examined the impact of single- and multi-stage austempering treatments on microstructural changes and the mechanical properties of AISI 4140 steel. All specimens underwent an annealing treatment before undergoing austempering treatm
Externí odkaz:
https://doaj.org/article/0b68239b0bb04da5b211cbc28d0eb969
Publikováno v:
Journal of Materials Research and Technology, Vol 32, Iss , Pp 734-738 (2024)
For 4Mn steel, the deterioration of austenite stability caused by insufficient Mn content and the neglect of strength in intercritical annealing (IA) process are the main reasons limiting its application. In this study, based on the IA and quenching
Externí odkaz:
https://doaj.org/article/2410486754b645a59f86862cfe3f8943
Publikováno v:
Journal of Materials Research and Technology, Vol 32, Iss , Pp 1426-1436 (2024)
The effects of austenitizing temperature and cooling rate on microstructure and subsequent tensile properties were investigated in 0.15C–5Mn martensitic steels. Tensile strength and elongation increased with decreasing austenitizing temperature (10
Externí odkaz:
https://doaj.org/article/e82055333b824fb197270526b6ef19a8
Publikováno v:
Journal of Materials Research and Technology, Vol 32, Iss , Pp 2743-2756 (2024)
The acceptable wear behavior of nanostructured bainitic steels has enhanced their potential to be industrialized, and their applications in the automotive industry. This study focused on the wear behavior of the high-strength nanostructured bainitic
Externí odkaz:
https://doaj.org/article/6a80908e65da48998f1ca7c9fb3ee4f1
Publikováno v:
Materials Research Letters, Vol 12, Iss 9, Pp 653-660 (2024)
Overcoming the trade-off relationship between strength and ductility has always been a challenge. In this article, a neatly arranged ultrafine bainite that is composed of multi-scale retained austenite was obtained by introducing weak chemical hetero
Externí odkaz:
https://doaj.org/article/561eef3afb3b4f198324c271f53439df
Publikováno v:
Eng, Vol 5, Iss 3, Pp 1980-1994 (2024)
In this work emphasis was given to determine the evolution of the retained austenite phase fraction via X-ray diffractometry technique in the as-hardened AISI 440C martensitic stainless steel surface subjected to cavitation for increasing test times.
Externí odkaz:
https://doaj.org/article/64bc64a28b3543bc85705013874388b8
Publikováno v:
Journal of Materials Research and Technology, Vol 31, Iss , Pp 1091-1103 (2024)
The effects of partitioning temperature and time on the strengthening and plasticising mechanism of a one-step quenching and partitioning (Q&P) steel were investigated. The results show that as the partitioning temperature decreased, the lath martens
Externí odkaz:
https://doaj.org/article/ce15dc148a4b47be812ddd0b3c60d30e
Publikováno v:
Journal of Materials Research and Technology, Vol 31, Iss , Pp 287-297 (2024)
The present investigation focuses on analyzing the microstructure and tensile properties of room temperature quenching and partitioning (RT Q&P) steel manufactured using laser powder bed fusion (LPBF). The as-built specimen reveals a dual-phase micro
Externí odkaz:
https://doaj.org/article/e9bc440f3be74f32b60fda9aa02c845d
Publikováno v:
Journal of Materials Research and Technology, Vol 31, Iss , Pp 420-433 (2024)
This paper systematically studies the effect of quenching temperature on the microstructure evolution and the relationship between the microstructure and mechanical properties of air-cooled TRIP steel prepared with C–Si–Mn hot-rolled sheet. The r
Externí odkaz:
https://doaj.org/article/10b937eef571476780ae8da2ab2cc1bc