Zobrazeno 1 - 10
of 2 545
pro vyhledávání: '"multi-pass"'
Publikováno v:
Journal of Alloys and Metallurgical Systems, Vol 8, Iss , Pp 100125- (2024)
Multi-pass laser welding with filler wire feeding shows significant potential for welding thick plates. However, this method faces challenges due to the need for edge preparation and stringent control of parameters such as wire feed speed and the rel
Externí odkaz:
https://doaj.org/article/505e709f6f5e44e7af22c48e817f0057
Autor:
Xiaohu Guan, Wen Wang, Ting Zhang, Pai Peng, Qiang Liu, Peng Han, Ke Qiao, Jun Cai, Liqiang Wang, Kuaishe Wang
Publikováno v:
Journal of Magnesium and Alloys, Vol 12, Iss 5, Pp 2041-2056 (2024)
A large-scale fine-grained Mg-Gd-Y-Zn-Zr alloy plate with high strength and ductility was successfully prepared by multi-pass friction stir processing (MFSP) technology in this work. The structure of grains and long period stacking ordered (LPSO) pha
Externí odkaz:
https://doaj.org/article/6d918acefd4b48488eaca78a7cdb66b4
Autor:
Ben Yang, Bing Zhang, Zhijuan Zhang, Shancheng Zhan, Zengwen Zhang, Huan Gao, Qiang Wang, Jun Cai, Kuaishe Wang
Publikováno v:
Journal of Materials Research and Technology, Vol 30, Iss , Pp 6968-6982 (2024)
Al/Mg laminated composites were successfully prepared by multi-pass friction stir processing(M-FSP) and rolling, and the effects of interface structure on their microstructure and properties were studied by Scanning Electron Microscopy (SEM) and Back
Externí odkaz:
https://doaj.org/article/7add8d7ecea84f06b68a6d362417641f
Publikováno v:
Light: Advanced Manufacturing, Vol 5, Iss 1, Pp 52-61 (2024)
We demonstrate a novel, composite laser written 3D waveguide, fabricated in boro-aluminosilicate glass, with a refractive index contrast of 1.12 × 10−2. The waveguide is fabricated using a multi-pass approach which leverages the respective refract
Externí odkaz:
https://doaj.org/article/a1eeba23ad6041438fc648c49ae270a2
Publikováno v:
Opto-Electronic Advances, Vol 7, Iss 3, Pp 1-9 (2024)
A highly sensitive light-induced thermoelectric spectroscopy (LITES) sensor based on a multi-pass cell (MPC) with dense spot pattern and a novel quartz tuning fork (QTF) with low resonance frequency is reported in this manuscript. An erbium-doped fib
Externí odkaz:
https://doaj.org/article/63c2fe8d9eb8447b87c48ef479655e9e
Publikováno v:
Journal of Materials Research and Technology, Vol 28, Iss , Pp 4116-4130 (2024)
The laser welding technology of ultra-thick plates has been widely applied in many crucial engineering structures, where its safety and stability still suffer from the residual stress brought by the welding temperature. In this work, experimental and
Externí odkaz:
https://doaj.org/article/6fb01c6721f34fddbb4b636c48b83819
Publikováno v:
Journal of Materials Research and Technology, Vol 28, Iss , Pp 3333-3348 (2024)
Large-size pure titanium ingots melted by single electron beam cold hearth melting (EBCHM)) could be rolled into large-width and heavy-weight titanium strip coils using short process without forging. It is crucial to study the large-span refinement m
Externí odkaz:
https://doaj.org/article/1fb24d32b4794a449660f78f797c6da0
Autor:
Romantsev, Boris1 boralr@yandex.ru, Goncharuk, Aleksandr1 gon@misis.ru, Aleshchenko, Aleksandr1 judger85@mail.ru, Gamin, Yury1 gamin910@gmail.com, Mintakhanov, Mikhail2 ogk@eztm.ru
Publikováno v:
International Journal of Advanced Manufacturing Technology. Aug2018, Vol. 97 Issue 9-12, p3223-3230. 8p. 6 Color Photographs, 2 Diagrams, 1 Chart, 3 Graphs.
Publikováno v:
Sensors, Vol 24, Iss 23, p 7743 (2024)
In this paper, a highly sensitive methane (CH4) sensor based on light-induced thermoelastic spectroscopy (LITES) and a T-shaped quartz tuning fork (QTF) with hydrogen (H2) and helium (He) enhancement techniques are reported for the first time. The lo
Externí odkaz:
https://doaj.org/article/e37e875423884f3fa4e56543045a43fe
Autor:
Zhaoru Yan, Jinsan Ju
Publikováno v:
Buildings, Vol 14, Iss 11, p 3686 (2024)
Welding residual stresses significantly influence the mechanical behavior of hollow section joints, especially in the pivotal connection zones of steel structures employed in construction. The research object of this study is the Q355 steel square tu
Externí odkaz:
https://doaj.org/article/bd49cbb150014292be8516a0e487fd34