Zobrazeno 1 - 10
of 324
pro vyhledávání: '"Zhuguo Li"'
Autor:
Min Zheng, Jin Yang, Jiayi Xu, Jiawei Jiang, Hua Zhang, J.P. Oliveira, Xueqi Lv, Jing Xue, Zhuguo Li
Publikováno v:
Journal of Materials Research and Technology, Vol 23, Iss , Pp 3997-4011 (2023)
A porous high entropy alloy (HEA) coating was prepared on a steel surface by vacuum sintering. The coating was then used as a transition layer during dissimilar laser joining of Al to steel. Compared with the uncoated laser joints, the liquid alloy s
Externí odkaz:
https://doaj.org/article/d0dd7763250c4f748093c77cd6348f2b
Publikováno v:
Materials, Vol 17, Iss 7, p 1491 (2024)
It is thought that geopolymers are easy to carbonate, especially when they are cured in ambient temperatures. Matrix gel’s composition and microstructure, and new products of geopolymers (GPs) after carbonation were investigated in this study on th
Externí odkaz:
https://doaj.org/article/cdaaa310069f4474823f4598f01ee978
Publikováno v:
International Journal of Extreme Manufacturing, Vol 6, Iss 5, p 055002 (2024)
Exsolution, as an effective approach to constructing particle-decorated interfaces, is still challenging to yield interfacial films rather than isolated particles. Inspired by in vivo near-infrared laser photothermal therapy, using 3 mol% Y _2 O _3 s
Externí odkaz:
https://doaj.org/article/52081fd586614d6a9a431800f8ac99f9
Publikováno v:
Opto-Electronic Advances, Vol 5, Iss 2, Pp 1-12 (2022)
Orientations of laser induced periodic surface structures (LIPSS) are usually considered to be governed by the laser polarization state. In this work, we unveil that fluid dynamics induced by femtosecond (fs) laser ablation in liquid (fs-LAL) can eas
Externí odkaz:
https://doaj.org/article/77fb67982f32427bab3fb5c3a7bb25a7
Publikováno v:
Additive Manufacturing Letters, Vol 3, Iss , Pp 100079- (2022)
NbMoTaW refractory high-entropy alloy (RHEA) shows outstanding mechanical properties at ultra-high temperatures, while room-temperature brittleness limits its application. In this study, carbon (C) microalloying was employed to improve the room-tempe
Externí odkaz:
https://doaj.org/article/c7bf9436fdcc4357bf69015e8c63d9cc
Publikováno v:
Journal of Materials Research and Technology, Vol 15, Iss , Pp 5597-5607 (2021)
A novel high hardness Fe-based composite coating reinforced by M3(C, B) carboboride was prepared by laser cladding. The microstructure and solidification process of the coatings were characterized. The residual stress distribution of the coating was
Externí odkaz:
https://doaj.org/article/0b18322b0021403fae5e30228cd64180
Publikováno v:
Materials, Vol 16, Iss 6, p 2473 (2023)
In this paper, we distinguished the degradation of alkali-activated material (AAM) exposed to sulfuric acid as physical (scaling, spalling, cracking, breaking, etc.) and chemical degradation (neutralization), because the mechanisms of these two types
Externí odkaz:
https://doaj.org/article/de682b1d46a44e21a1c0154b85adc793
Publikováno v:
International Journal of Lightweight Materials and Manufacture, Vol 1, Iss 1, Pp 33-39 (2018)
Well-formed equimolar CrMnFeCoNi high-entropy alloy (HEA) bulk samples with good tensile properties are fabricated by laser additive manufacturing (LAM) processing. To elucidate the deformation mechanism, tensile tests are performed on at 77 K and 29
Externí odkaz:
https://doaj.org/article/5311093d97924339875583c455194279
Publikováno v:
Materials & Design, Vol 181, Iss , Pp - (2019)
An amount of LaB6 was added into the (Ti3Al + TiB)/Ti composites prepared on Ti6Al4V by laser cladding. The results showed that nano-scale La2O3 particles were formed through the in-situ reaction between La and O elements in the material system. With
Externí odkaz:
https://doaj.org/article/d7c492acc4204def99a1ebc41a94bd16
Publikováno v:
Materials & Design, Vol 175, Iss , Pp - (2019)
Multi-pass narrow-gap welding of thick Inconel 617 plate was conducted with YLS-10000 fiber laser. The influence of different welding parameters on the joint geometry and defects was investigated. The dendrite morphology, grain distribution, crystal
Externí odkaz:
https://doaj.org/article/492ad4b53cef406192b5aedd7347617c