Zobrazeno 1 - 10
of 77 764
pro vyhledávání: '"mn"'
Publikováno v:
Journal of Materials Research and Technology, Vol 32, Iss , Pp 1620-1629 (2024)
Recently, the retained austenite (RA) with chemically heterogeneous has attracted great attention in medium Mn steel. In this work, we designed a two-step intercritical annealing (TIA) heat treatment process to prepare high-strength medium Mn steel w
Externí odkaz:
https://doaj.org/article/812e977c35b042208a7ba057e375df4d
Autor:
Qingquan Lai, Shuai Chang, Yuntao Wei, Shangshu Wu, Pascal Jacques, Thomas Pardoen, Guohua Fan
Publikováno v:
Materials Research Letters, Vol 12, Iss 10, Pp 700-708 (2024)
The formation of ε-martensite is generally considered as detrimental to cracking resistance. The essential work of fracture (EWF) of high-Mn steels with ε-martensite has been determined in the near plane-stress regime. The analysis of the thickness
Externí odkaz:
https://doaj.org/article/ea76381ca5b0423894fc1efcb3dcf36b
Effect of MnO2 addition on structure, electrical and optical properties of Ba(Fe0.5Nb0.5)O3 ceramics
Autor:
Kar Kumar Subrat, Chandrasekhar Mallam, Rao Lakshmana Tangi, Harshavardhan Vanga, Kumar Pawan
Publikováno v:
Processing and Application of Ceramics, Vol 18, Iss 3, Pp 323-329 (2024)
Admixture of Ba(Fe0.5Nb0.5)O3 (BFN) ceramics with different content of MnO2 (0, 0.5, 1.0, 1.5 and 2.0 wt.%) powder were processed through conventional solid-state reaction route. The XRD characterization of all sintered samples confirmed the formatio
Externí odkaz:
https://doaj.org/article/c0d7d7e8df144125a406d36dcd39de41
Autor:
Peng Zhang, Ling Yan, Xuemin Wang, Xiangyu Qi, Xiangyu Xu, Pengcheng Liu, Xueliang Shang, Jinyi Liu, Chengjia Shang
Publikováno v:
Journal of Materials Research and Technology, Vol 32, Iss , Pp 706-720 (2024)
The effect of final rolling temperature ranging from 962 to 696 °C on as-rolled high-Mn austenitic low-temperature steel was investigated using scanning electron microscopy, electron backscatter diffraction, transmission electron microscopy, and X-r
Externí odkaz:
https://doaj.org/article/2c458627738e49b6acf091c62cf6c68f
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 3060-3069 (2024)
The hot-rolled microstructure of medium Mn steel has coarse grains and severe elemental segregation, resulting in low strength and plasticity. Constructing a multiphase structure, refining the microstructure, and regulating elemental segregation enha
Externí odkaz:
https://doaj.org/article/acdd56fdc0534d2286b75cb5d8be13f5
Autor:
Shao-bin Bai, Da-zhao Li, Li-ren Li, Hui-hui Lu, Jia Xing, Pei-kang Bai, Jing-yang Li, Zhi-jie Yan, Zhi-quan Huang
Publikováno v:
Journal of Materials Research and Technology, Vol 32, Iss , Pp 3210-3222 (2024)
A novel strategy involving warm rolling and tempering-annealing was introduced to optimize the strength-ductility balance of Fe-10.2Mn-2.2Al-0.41C-0.6 V (wt. %) steel. The V- and κ-carbide particles produced during the tempering are critical for tai
Externí odkaz:
https://doaj.org/article/b082483b34644bc98eac6e1d074dbcf8
Autor:
Lei Zhao, Changlong Tan, Jie Yang, Xiaochuan Wang, Jianyong Wang, Wenbin Zhao, Jian Li, Zhaohui Luan, Xiaohua Tian
Publikováno v:
Journal of Materials Research and Technology, Vol 32, Iss , Pp 2857-2866 (2024)
The all-d-metal Ni–Mn–Ti Heusler alloy with its good mechanical properties and colossal caloric effects has attracted significant attention for mechanocaloric refrigeration. However, the phase stability of the B2-type disordered structure at fini
Externí odkaz:
https://doaj.org/article/34d94162ccb543379c2786878da35d4f
Publikováno v:
Journal of Materials Research and Technology, Vol 32, Iss , Pp 1274-1285 (2024)
In this work, the influence of Mn and Ca doping on the microstructure and mechanical properties of Mg–3Zn, Mg–3Zn-0.5Mn, and Mg–3Zn-0.5Mn-1.2Ca alloys is systematically investigated. The addition of Mn elements is shown to exert no obvious effe
Externí odkaz:
https://doaj.org/article/6fc7dc2bc8364d4b83984f9809ec37af