Zobrazeno 1 - 10
of 21
pro vyhledávání: '"Fengchun Ji"'
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-14 (2024)
Abstract Ultra-high-rise buildings require high concrete bearing capacity. Ordinary concrete often fails to meet the project requirements. Admixture of admixtures in concrete is a means of solution. Currently, studies on the incorporation of basalt f
Externí odkaz:
https://doaj.org/article/f14621d3789149269370021bb6814a36
Publikováno v:
Buildings, Vol 14, Iss 7, p 2120 (2024)
The load-bearing capacity of a building is influenced by the strength of the concrete. However, when faced with complex environments, ordinary concrete is not always adequate. The strength of concrete can be enhanced by incorporating additives into i
Externí odkaz:
https://doaj.org/article/856a165eb30941659906e7ae5a8716be
Effects of Gd on the microstructure and mechanical properties of GdxCoCrFeNiV0.4 high-entropy alloys
Autor:
Enhao Wang, Jianlin Dong, Yang Cao, Fuwei Kang, Xiaolei Liu, Fengchun Jiang, Jiaqi Li, Zhehao Liu, Wei Jiang, Kaijiao Kang
Publikováno v:
Journal of Materials Research and Technology, Vol 33, Iss , Pp 714-724 (2024)
This study investigated the microstructure and mechanical properties of GdxCoCrFeNiV0.4 alloys. Various techniques such as XRD, SEM, EBSD, and TEM were utilized, alongside hardness and compression tests at room temperature. The findings revealed that
Externí odkaz:
https://doaj.org/article/284599f8d6844734bc2d90676aafa572
Publikováno v:
Materials Research Letters, Vol 12, Iss 11, Pp 825-833 (2024)
CoCrNi-based multi-principal element alloys (MPEAs) often lack strength at elevated temperatures. Here, to overcome this deficiency, a novel oxide-dispersion strengthening (ODS) CoCrNi-based MPEA was designed by incorporating nano-scale yttria via LP
Externí odkaz:
https://doaj.org/article/3ef6ad85e532495c8490a74f628e3a26
Autor:
Chunhuan Guo, Shicheng Xu, Zubin Chen, Huabing Gao, Guorui Jiang, Wenyao Sun, Xuhong Wang, Fengchun Jiang
Publikováno v:
Journal of Materials Research and Technology, Vol 30, Iss , Pp 6278-6290 (2024)
B4C/Inconel 625 composite coatings were successfully prepared on 20 pipeline steel by laser cladding, in which B4C ceramic was selected as reinforcement phase to improve the microstructure and corrosion property of Inconel 625 coating. The laser clad
Externí odkaz:
https://doaj.org/article/93ad52d211cc43d1a711ec28cf5efd9f
Publikováno v:
Journal of Materials Research and Technology, Vol 28, Iss , Pp 967-979 (2024)
In this study, the microstructure and mechanical properties of Al0.45CoCrFeNiTix (x = 0, 0.25, 0.5, 0.75, 1.0) high-entropy alloys were investigated. Various techniques including XRD, SEM, EBSD, and TEM were employed, along with hardness tests, compr
Externí odkaz:
https://doaj.org/article/fb4f274522204aac8f502e8145074f75
Autor:
Jiandong Wang, Lang Tang, Yu Xue, Ziang Zhao, Zhijie Ye, Wenxin Cao, Jiaqi Zhu, Fengchun Jiang
Publikováno v:
Journal of Materials Research and Technology, Vol 28, Iss , Pp 3110-3120 (2024)
In this study, (diamond + TiC) reinforced Ti6Al4V titanium matrix composites (DT-TMCs) were fabricated using the directed energy deposition (DED) technique to enhance multiple properties of the Ti6Al4V alloy. The phase composition, microstructure, mi
Externí odkaz:
https://doaj.org/article/ba30079a96154ea2a390b48ec808c5aa
Publikováno v:
Journal of Materials Research and Technology, Vol 27, Iss , Pp 7495-7505 (2023)
Ti/Al laminated composites embedded with Al0.5CoCrFeNi high entropy alloy particles were prepared by vacuum hot press sintering process at temperatures of 660 °C and 730 °C. The microstructure of the material was initially examined using XRD, SEM,
Externí odkaz:
https://doaj.org/article/6b07d24146d44fe8a859d1aa56cd0606
Publikováno v:
Journal of Materials Research and Technology, Vol 22, Iss , Pp 1935-1947 (2023)
Ti6Al4V alloy produced by additive manufacturing are generally characterized by their columnar β grain structure and the resulting anisotropy in mechanical properties as a critical challenge in engineering applications. In the present work, a near e
Externí odkaz:
https://doaj.org/article/1f087782339245388b663fa4bc7ef76d
Publikováno v:
Metals, Vol 12, Iss 10, p 1649 (2022)
Effects of tungsten addition on the continuous cooling transformation (CCT) characteristics and precipitation behavior of a high titanium microalloyed steel were investigated by dilatometry, optical microscopy, scanning and transmission electron micr
Externí odkaz:
https://doaj.org/article/df3511f7aae441459f2f96940e3b727a