Zobrazeno 1 - 10
of 1 018
pro vyhledávání: '"Medium-carbon steel"'
Publikováno v:
International Journal of Technology, Vol 15, Iss 5, Pp 1292-1307 (2024)
Utilized the experimental data to construct models that describe DRX kinetics and the evolution of grain size, employing the Johnson-Mehl-Avrami-Kolmogorov (JMAK) equation, this study investigates the dynamic recrystallization (DRX) characteristi
Externí odkaz:
https://doaj.org/article/dcfa871b95374e5cb7896eb286b20744
Publikováno v:
Journal of Materials Research and Technology, Vol 30, Iss , Pp 4692-4701 (2024)
This study presents processing and properties of dual-phase (DP) steels, which contain islands of martensite among ferrite grains effectively reinforced by abundant carbide particles. To this end, a medium-carbon, low-alloyed steel plate with an init
Externí odkaz:
https://doaj.org/article/9bf506e8465e4022a87db6ceb23d9be6
Autor:
Hyo-Seong Kim, Moonseok Kang, Minha Park, Byung Jun Kim, Yong-Shin Kim, Tae Young Lee, Byoungkoo Kim, Yong-Sik Ahn
Publikováno v:
Archives of Metallurgy and Materials, Vol vol. 69, Iss No 1, Pp 113-116 (2024)
In this study, the effect of rolling of 1.25Cr-1Mo-0.5V-0.3C American Iron and Steel Institute 4340 modified steel for highspeed railway brake discs on the microstructure and mechanical properties was investigated. The materials were hot-rolled at 0%
Externí odkaz:
https://doaj.org/article/8da0ecdb2fc4407cbca34f2c121d5cf0
Publikováno v:
Teshugang, Vol 45, Iss 2, Pp 18-23 (2024)
The morphology of the liquid precipitation phase of micro alloys Ti， Nb， and V in 42CrMo steel continuous casting billets was observed， as well as the changes of the liquid precipitation phase after heating and rolling， then the formation mec
Externí odkaz:
https://doaj.org/article/4dbd6aae7ebc4aec8eff8e936f1b2a3f
Publikováno v:
Metals, Vol 14, Iss 10, p 1198 (2024)
This study focused on optimizing the hot forging process for AISI 1045 medium carbon steel ball joints, which is crucial for enhancing both their mechanical properties and production efficiency. Traditional hot forging processes often face challenges
Externí odkaz:
https://doaj.org/article/0530d4a1db7c4c9b88d9580438e77570
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 90, Iss 929, Pp 23-00242-23-00242 (2024)
Since it is known that tensile strength and hardness are roughly proportional, a hardness test is often used as a simple and substitute test. However, it has been reported that the proportional relationship between tensile strength and hardness is br
Externí odkaz:
https://doaj.org/article/ec077fd9528b4b83aa36ab04c82898cc
Autor:
Chi Liu, Shaowei Deng, Linwang Chen, Yanhuan Wang, Daodong Tang, Hongrui Zeng, Qiyang Guo, Dazhi Chen, Chengsong Zhang, Guodong Cui
Publikováno v:
Journal of Materials Research and Technology, Vol 24, Iss , Pp 4833-4842 (2023)
To ensure the high strength of 55Si2MnMoV steel and greatly improve the ductility, three samples with various initial microstructures (annealing, quenching, and austempering) were subjected to intercritical annealing (820 °C) and austempering (325
Externí odkaz:
https://doaj.org/article/fb252c29753546b79a4de1cb9d294807
Autor:
Andrey V. Malinin, Vil D. Sitdikov, Valeria E. Tkacheva, Artem K. Makatrov, Ilya V. Valekzhanin, Andrey N. Markin
Publikováno v:
Frontier Materials & Technologies, Iss 1, Pp 33-44 (2023)
Increasing the resistance of steel products to sulfide stress cracking (SSC) is one of the topical issues of the oil and gas industry. Among various factors determining the SSC resistance of a material is the structure-phase state of the material its
Externí odkaz:
https://doaj.org/article/983e6e1ac8284363b9c95a6403b6eaa0
Publikováno v:
Metals, Vol 14, Iss 3, p 306 (2024)
The Lüders phenomenon is one type of inhomogeneous plastic deformation occurring in the elastic-to-plastic transition region, and it is an undesirable plastic deformation behavior. Although conventional measures based on the chemical composition des
Externí odkaz:
https://doaj.org/article/8d76c77b21724994b4a3ccf681e11050
Publikováno v:
Journal of Materials Research and Technology, Vol 22, Iss , Pp 2690-2703 (2023)
The effect of retained austenite stability on plastic deformation was investigated by stepwise tensile test of medium carbon steel material at two different bainite isothermal temperatures below or above the martensite start (Ms) point. The results s
Externí odkaz:
https://doaj.org/article/20dbca8ed194426bbb387837bb76c815