Zobrazeno 1 - 10
of 597
pro vyhledávání: '"microstructure control"'
Publikováno v:
Journal of Materials Research and Technology, Vol 31, Iss , Pp 1044-1053 (2024)
The goal of this study is to investigate the impact of beam deflection pattern characteristics on microstructure and porosity formation during Powder Bed Fusion Electron Beam Melting (PBF-EB/M) processing of Inconel 718. Specifically, the complex int
Externí odkaz:
https://doaj.org/article/d25d0a729b9e45198ad5877460b04c07
Publikováno v:
Materials & Design, Vol 248, Iss , Pp 113511- (2024)
This study introduces an innovative dual laser powder bed fusion (PBF-LB/D) system, which combines two distinct laser processing methods to enhance control over microstructural outcomes. Unlike conventional PBF-LB systems that employ a single laser t
Externí odkaz:
https://doaj.org/article/a154a56947c24fc99bddf8399fc66446
Autor:
Xiaoyu Cai, Bolun Dong, Yunhao Xia, Fukang Chen, Sanbao Lin, Debin Shan, Yingying Zong, Yun Zhao
Publikováno v:
Virtual and Physical Prototyping, Vol 19, Iss 1 (2024)
In the manufacturing of large-scale ultra-high strength AlZnMgCu alloy components, wire arc directed energy deposition can be an efficient and flexible candidate. However, the fabricated AlZnMgCu alloys are faced with problems like coarse microstruct
Externí odkaz:
https://doaj.org/article/fd096fcd11674a18b014681a0f0bab06
Publikováno v:
Успехи физики металлов, Vol 25, Iss 2, Pp 386-415 (2024)
Additive 3D printing technologies dynamically developing at a rapid pace are used in progressive industries. There are several types of additive technologies based on different physical principles: selective laser melting (SLM), electron beam melting
Externí odkaz:
https://doaj.org/article/6e3b63b5c49b41a094ed93ae66ca6896
Autor:
Sen Wang, Hucheng Pan, Dongsheng Xie, Dongdong Zhang, Jingren Li, Hongbo Xie, Yuping Ren, Gaowu Qin
Publikováno v:
Journal of Magnesium and Alloys, Vol 11, Iss 11, Pp 4128-4145 (2023)
Low absolute strength becomes one major obstacle for the wider applications of low/no rare-earth (RE) containing Mg alloys. This review firstly demonstrates the importance of grain refinement in improving strength of Mg alloys by comprehensively comp
Externí odkaz:
https://doaj.org/article/162cf479f59542ff869d7293a21da267
Publikováno v:
Успехи физики металлов, Vol 24, Iss 3, Pp 530-560 (2023)
Additive technologies for making products by laser melting of powders have been rapidly developed recently. However, such technologies impose increased requirements on the properties of alloys used for the manufacturing of parts. Laser-melting techno
Externí odkaz:
https://doaj.org/article/4e8fdcdd0d5745f09ecfebaf493dbf7c
Publikováno v:
Virtual and Physical Prototyping, Vol 18, Iss 1 (2023)
ABSTRACTInhibiting unhomogenised microstructure during the directed energy deposition process with the electric arc energy source (DED-Arc) has become a significant challenge. Ultrasonic vibration leads to the severe stirring of liquid metal and brea
Externí odkaz:
https://doaj.org/article/ffcd980d007e4f10ae09acc665aaa86f
Autor:
Jiang Bi, Zeqi Liu, Jinze Chi, Haixiang Wang, Caiwang Tan, Xiangdong Jia, Zhuoyun Yang, Mikhail Dmitrievich Starostenkov, Guojiang Dong
Publikováno v:
Journal of Materials Research and Technology, Vol 23, Iss , Pp 2810-2823 (2023)
This study briefly reviews the progress on microstructure and performance control of Al–Li alloy welded joints. The formation mechanisms and softening effect of the fine equiaxed zone (FQZ) in fusion welded joint are summarized, and the improvement
Externí odkaz:
https://doaj.org/article/80fc916d943a41f181fdf7dc818cad3b
Publikováno v:
Journal of Materials Research and Technology, Vol 21, Iss , Pp 4688-4698 (2022)
For the precipitation-strengthened aluminum alloys such as Al–Mg–Si alloys, the friction stir welded (FSW) joints produced with T6-treated plates usually exhibit obvious softening in the heat-affected zones (HAZ), significantly reducing the joint
Externí odkaz:
https://doaj.org/article/b0912a6e5a0d467fa5038f44d613036c
Publikováno v:
Journal of Materials Research and Technology, Vol 21, Iss , Pp 3248-3261 (2022)
Incident Ti–Si poisoning when applying traditional agents of microstructure manipulation in Al–Si alloys is always adverse to realize multilevel microstructure control. This work combined the manipulation by physically formed in-situ nano-ceramic
Externí odkaz:
https://doaj.org/article/3a16b8ee0e7c409ca5d8e91f8a587b69