Zobrazeno 1 - 10
of 62
pro vyhledávání: '"Yizhu He"'
Autor:
Hongwei Zhou, Liangwei Fang, Junqiang Cong, Fengmei Bai, Liqiang Zhang, Ali Naqash, Jianhua Chu, Dongming Liu, Yizhu He
Publikováno v:
Journal of Materials Research and Technology, Vol 24, Iss , Pp 4111-4117 (2023)
Austenitic stainless steels are prone to mixed grain structure (MGS) defect during solution treatment or hot work. We demonstrate that strain–induced continuous M23C6 precipitates at grain boundaries (GBs) enable obtaining uniform deformed structur
Externí odkaz:
https://doaj.org/article/f9ad1cc1f1524ebfa0d3dc745e6fc7ee
Autor:
Jianbing Gao, Zhenlin Xu, Xudong Fang, Junjing He, Weihuo Li, Xiaojie Du, Yizhu He, Xiquan Jia, Shengxuan Zhou
Publikováno v:
Journal of Materials Research and Technology, Vol 20, Iss , Pp 1860-1872 (2022)
Materials with high creep resistance are required for next-generation fossil and nuclear power plants. In this study, the effect of aging on the creep resistance of a Fe–Cr–Ni medium-entropy alloy (MEA) was investigated via a nanoindentation test
Externí odkaz:
https://doaj.org/article/384607a38d48478e827b56b802676fc4
Publikováno v:
Journal of Materials Research and Technology, Vol 16, Iss , Pp 1466-1477 (2022)
Medium-entropy alloys (MEAs) and high-entropy alloys (HEAs) are good candidates for high-temperature applications, taking advantage of their exceptional thermal stability. However, most of them contain high-priced Co elements, which limited further p
Externí odkaz:
https://doaj.org/article/3749da79b10e44fba9d2b0541b65999a
Publikováno v:
Metals, Vol 13, Iss 7, p 1219 (2023)
The Cu-rich phase is a high-efficiency and ultra-stable precipitation-strengthening phase and has been widely used in many steels and alloys, especially in heat-resistant steels and alloys. Creep damage is accompanied with the coarsening of the secon
Externí odkaz:
https://doaj.org/article/d7e2e2cca40b4e9fbf9f5260c174493c
Publikováno v:
Metals, Vol 13, Iss 2, p 202 (2023)
With the rapid development of railways towards high speed and larger carrying capacity, the problem of wear and fatigue damage between wheel/rail is gradually becoming serious. However, traditional pearlite wheel/rail has reached the limit, which lea
Externí odkaz:
https://doaj.org/article/5e171c20763f4b75a44da718ad137450
Publikováno v:
Materials & Design, Vol 159, Iss , Pp 224-231 (2018)
Novel Fe68(MoWCrVCoNiAlCu)32 (at.%) medium-entropy high-speed steel (ME-HSS) coatings, containing various carbon contents from 0.65 to 1.05 wt%, are prepared by laser rapid solidification. The newly prepared ME-HSS coatings are characterized by a har
Externí odkaz:
https://doaj.org/article/0093b31db4a24128b79409147f524904
Publikováno v:
Metals, Vol 11, Iss 9, p 1478 (2021)
Wear resistance of brake discs has a significant effect on the safety of high-speed trains. In this work, the rolling–sliding wear resistance of a low-carbon martensitic brake disc steel was investigated. The microstructure evolution and mechanical
Externí odkaz:
https://doaj.org/article/5ef69d4d6fcb417da48e5d4cac834d3d
Publikováno v:
Metals, Vol 11, Iss 7, p 1045 (2021)
Fire resistance and seismic performance are the two of the most important considerations for the design of construction steel. The fire resistance of the high-strength construction steel, Q460FRE, which contains low Mo, was investigated by means of c
Externí odkaz:
https://doaj.org/article/7aad90a7b7a04095a28521bb9b28fe6f
Publikováno v:
Materials Research Express, Vol 8, Iss 6, p 066518 (2021)
In present paper, the relationship between fatigue and wear of three kinds of pearlite wheel steel samples is investigated by using rolling wear tester under 0.2% slip ratio condition. The results show that the weight loss, the surface hardness and t
Externí odkaz:
https://doaj.org/article/98aae01f2b38417eabb9f017c332e421
Publikováno v:
Metals and Materials International.