Zobrazeno 1 - 10
of 15 745
pro vyhledávání: '"COOLING RATE"'
Publikováno v:
Journal of Materials Research and Technology, Vol 33, Iss , Pp 7518-7533 (2024)
Physical simulations of single-pass welding on lean duplex stainless steel (LDSS) 2404 were performed to obtain heat-affected zones (HAZs) at different cooling rates (200–1 °C/s) to evaluate the effects on microstructure changes and corrosion resi
Externí odkaz:
https://doaj.org/article/1c1a14bb0d654c47b92c7475cf6f5d89
Autor:
Xiaoyu Jiang, Qiuhua Guo, Wei Chen, Linhan Li, Yanbin Jiang, Can Wang, Daibo Zhu, Shuhui Cui, Mingda Han, Zhou Li
Publikováno v:
Journal of Materials Research and Technology, Vol 33, Iss , Pp 821-833 (2024)
The copper (Cu)-beryllium (Be) alloy is a critical material for high-performance photomultiplier cathodes. The microstructure evolution of the β phase in the Cu-2.8Be alloy subjected to cooling rate ranging from 0.5 to 80 °C/s after heat treatment.
Externí odkaz:
https://doaj.org/article/f6bade6570af410bb75ea5846b285af5
Autor:
G. Piwowarski, J. Cepielik
Publikováno v:
Archives of Foundry Engineering, Vol vol. 24, Iss No 3, Pp 109-114 (2024)
The paper presents the results of damping coefficient tests on the ZnAl27Cu2 alloy (ZL27). The tested alloy was cast into five types of molds made of different materials (a steel mold with an ambient temperature of 20°C, a steel mold with a temperat
Externí odkaz:
https://doaj.org/article/424f0d18974e4d128e41c0f93c0aded2
Autor:
Ding Zhao, Jiangkun Fan, Zesen Chen, Wenyuan Zhang, Zhixin Zhang, Bin Tang, Jian Wang, Hongchao Kou, Jinshan Li
Publikováno v:
Journal of Materials Research and Technology, Vol 32, Iss , Pp 3750-3762 (2024)
In the continuous cooling process, the growth of the equiaxed α-phase grains in near-α high-temperature titanium alloys is controlled by the diffusion of alloying elements. Establishing a specific connection between the cooling rate and the diffusi
Externí odkaz:
https://doaj.org/article/ef8775d0618f4aa6ba3dde241a37ce98
Publikováno v:
Journal of Materials Research and Technology, Vol 32, Iss , Pp 227-238 (2024)
Controlling continuous cooling is an important means to control the most important mechanical properties of bainitic steel for frogs in railroad applications. In this paper, a bainitic steel for railway frogs is taken as the research object. By desig
Externí odkaz:
https://doaj.org/article/a4bf678ce4084268a7686ae58dcbc129
Publikováno v:
Journal of Magnesium and Alloys, Vol 12, Iss 8, Pp 3094-3114 (2024)
Magnesium alloy is one of the most widely used lightweight structural materials, and the development of high strength-toughness magnesium alloy is an important research field at present and even in the future. The preparation process parameters of ma
Externí odkaz:
https://doaj.org/article/d197e31dcafc4529b77ec0317ed2c48e
Publikováno v:
Вестник Дагестанского государственного технического университета: Технические науки, Vol 51, Iss 2, Pp 197-207 (2024)
Objective. An emergency shutdown of the heating system of a civil building will inevitably lead to a violation of the thermal regime in the heated rooms. Subsequently, this incident will have a negative impact on human thermal comfort and working con
Externí odkaz:
https://doaj.org/article/438a18c3e539454597c2b874d6b18762
Publikováno v:
Journal of Materials Research and Technology, Vol 31, Iss , Pp 635-648 (2024)
Precipitation strengthening is a crucial method for enhancing the mechanical properties of steel. The bridgman directional solidification furnace, optical microscope (OM), scanning electron microscope (SEM), electron probe analyzer (EPMA) and transmi
Externí odkaz:
https://doaj.org/article/a3c469f9dbcd4405bd73dd4b7bfa40d4
Autor:
Yongcheng Li, Chunxiang Chen, Zhiming Fan, Dangqing Jiang, Sanan Shuai, Tingsheng Tu, Zhongming Ren
Publikováno v:
Journal of Materials Research and Technology, Vol 31, Iss , Pp 329-337 (2024)
The effects of cooling rate on isothermal spheroidizing annealing (SA) of hot-rolled GCr15 bearing steel have been investigated. The results show that controlling the cooling rate between austenitizing and secondary annealing within a specific range
Externí odkaz:
https://doaj.org/article/1f269ad273ce41fd8e88aa9d003b8b00
Autor:
Tianyou Wang, Shangjun Gu, Jie Wang, Fulong Wei, Zeyun Zeng, Yafei Jiang, Hongfeng Shi, Changrong Li, Zhiying Li
Publikováno v:
Journal of Materials Research and Technology, Vol 31, Iss , Pp 244-253 (2024)
In this study, the synergistic effect of the Nb content and cooling rate on the microstructural transformation, precipitation behavior, and mechanical properties of hot-rolled rebar was studied using a Gleeble-3800 thermal simulation machine, scannin
Externí odkaz:
https://doaj.org/article/cdaffc5ca3c14916983f3e8b3a6a9260