Zobrazeno 1 - 10
of 231
pro vyhledávání: '"Aijun Huang"'
Publikováno v:
Materials & Design, Vol 245, Iss , Pp 113210- (2024)
Directed Energy Deposition (DED) has recently been hybridised with in-situ rolling, providing elevated temperature deformations and enhancing build quality. Analysing the thermo-mechanical aspects of deformations with sufficient fidelity can not be a
Externí odkaz:
https://doaj.org/article/236447db69dc47b8a0ff4c5bb79d4ce1
Autor:
Minghao Liu, Kai Zhang, Jianwen Liu, Jing Zhu, Jie Liu, Qingsheng He, Peter Hodgson, Ruifeng Zhang, Yuman Zhu, Aijun Huang
Publikováno v:
Materials & Design, Vol 243, Iss , Pp 113037- (2024)
High-temperature fatigue properties are critical for laser powder bed fusion (LPBF) fabricated Nickel-based superalloy Hastelloy-X (HX) used in aero engines. In this study, superior high-temperature high-cycle fatigue properties of LPBF HX were achie
Externí odkaz:
https://doaj.org/article/919bd744bcd64407b717e6c83ac39c4c
Autor:
Timothy Stubbs, Roger Hou, Donovan N. Leonard, Lisa DeBeer-Schmitt, Yuman Zhu, Zachary C. Cordero, Aijun Huang
Publikováno v:
Additive Manufacturing Letters, Vol 9, Iss , Pp 100195- (2024)
We have assessed the structural evolution and dispersoid coarsening behaviors of the oxide dispersion-strengthened superalloy MA754 during two different melt-based additive manufacturing techniques – metal laser powder bed fusion (PBF-LB/M) and dir
Externí odkaz:
https://doaj.org/article/230d110be9924d558e85f6a6ee4ec911
Publikováno v:
Virtual and Physical Prototyping, Vol 18, Iss 1 (2023)
One of the most revolutionary aspects of Laser Powder Bed Fusion (LPBF) is to be able to lift the design constraints from conventional manufacturing. However, as a rule of thumb, any surfaces lower than 45° with respect to the horizontal plane would
Externí odkaz:
https://doaj.org/article/1f3e0895815341ed882dd6c020e8de60
Publikováno v:
Current Issues in Molecular Biology, Vol 45, Iss 1, Pp 122-133 (2022)
Sweet orange (Citrus sinensis) is a sub-tropical fruit crop with important economic value that is popular worldwide; however, various pathogens significantly affect citrus cultivation and distribution. AlkB homolog (ALKBH) proteins play crucial roles
Externí odkaz:
https://doaj.org/article/d06fc199c8494ab49098526b05a35175
Publikováno v:
Materials, Vol 16, Iss 24, p 7586 (2023)
Platform heating is one of the effective strategies used in laser powder bed fusion (LPBF) to avoid cracking during manufacturing, especially when building relatively large-size components, as it removes significant process-induced residual strains.
Externí odkaz:
https://doaj.org/article/19f1d38b2cb9436ca56453a6dea3bc80
Autor:
Shiling Min, Hui Liu, Mengmeng Yang, Huawei Zhang, Juan Hou, Kai Zhang, Jingjing Liang, Jinguo Li, Hao Wang, Jianqiu Wang, Aijun Huang
Publikováno v:
npj Materials Degradation, Vol 6, Iss 1, Pp 1-12 (2022)
Abstract This study investigates the effect of microstructure on short-term and long-term oxidation behaviours of GH3536 superalloy fabricated by laser powder bed fusion (LPBF), in which the superalloy is isothermally oxidised at 950 °C for 6 h and
Externí odkaz:
https://doaj.org/article/e31f41584c6f47ef9d3725558e56980e
Autor:
Tao Peng, Yingzhe Yuan, Aijun Huang, Jun He, Shimin Fu, Shuo Duan, Long Yi, Chenyang Yuan, Huizhu Yuan, Xuefeng Wang, Changyong Zhou
Publikováno v:
Frontiers in Microbiology, Vol 14 (2023)
Huanglongbing (HLB) is a global devastating citrus disease that is mainly caused by “Candidatus Liberibacter asiaticus” (CLas). It is mostly transmitted by the insect Asian citrus psyllid (ACP, Diaphorina citri) in a persistent and proliferative
Externí odkaz:
https://doaj.org/article/3874aabf6f3744f5a86fce6dabbbefd5
Publikováno v:
Materials & Design, Vol 226, Iss , Pp 111622- (2023)
Numerical modelling is an effective tool to investigate the rapid temperature cycling in laser powder bed fusion. However, the high computational cost limits the modelling of part-scale components due to the significantly different scales between the
Externí odkaz:
https://doaj.org/article/2a0ad79287de4c129f7c08ae45813e1a
Autor:
Kun Zhang, Wen Hao Kan, Yuman Zhu, Samuel Chao Voon Lim, Xiang Gao, Chun Kit Sit, Chunguang Bai, Aijun Huang
Publikováno v:
Materials & Design, Vol 224, Iss , Pp 111325- (2022)
This work investigates the viability of fabricating Ti-3Al-8V-6Cr-4Mo-4Zr (Beta-CTM) using laser-based and powder-fed directed energy deposition. To determine an appropriate ageing strategy, heat treatments were conducted at 440 °C and 480 °C over
Externí odkaz:
https://doaj.org/article/e15e10e4914049b7817c22d17a902ffa