Zobrazeno 1 - 10
of 456
pro vyhledávání: '"Laser-arc hybrid welding"'
Publikováno v:
Journal of Materials Research and Technology, Vol 32, Iss , Pp 3015-3024 (2024)
High-frequency beam oscillation and synchronous wire-powder feeding were adopted for the laser-arc hybrid welding of a 2219-T6 high-strength aluminum alloy. Increasing the beam oscillation frequency from 0 to 250 Hz not only reduced the weld porosity
Externí odkaz:
https://doaj.org/article/8623b2d83ce64123acb7547fb2ba658d
Publikováno v:
Journal of Materials Research and Technology, Vol 32, Iss , Pp 1521-1537 (2024)
A novel zirconium (Zr)-core-aluminum (Al)-shell wire (ZCASW) combined with oscillating laser-arc hybrid welding (O-LAHW) process was employed for the welding of aluminum alloy 2024 (AA2024). The arc stability and characteristics, droplet transfer beh
Externí odkaz:
https://doaj.org/article/a8ebd9c246f043c186d2510d36b9895f
Publikováno v:
Journal of Magnesium and Alloys, Vol 12, Iss 6, Pp 2489-2502 (2024)
Oscillating laser-arc hybrid welding of AZ31B magnesium alloy was carried out, the effects of beam oscillation parameters on pore inhibition, microstructure, grain boundary characteristics and tensile properties were investigated. The results showed
Externí odkaz:
https://doaj.org/article/d1ee675011194aad8798632163437afd
Publikováno v:
Journal of Magnesium and Alloys, Vol 12, Iss 5, Pp 1986-1995 (2024)
Laser-arc hybrid welding of AZ31B magnesium alloy was carried out, the effects of welding parameters on weld formation, microstructure homogeneity and mechanical properties were investigated. The results showed that laser-arc hybrid welding was benef
Externí odkaz:
https://doaj.org/article/5a3e6a4e452f43c1b3cff46f440ccdaa
Publikováno v:
Journal of Materials Research and Technology, Vol 30, Iss , Pp 5733-5745 (2024)
In order to solve the existing problem of low efficiency of multi-layer and multi-pass welding methods for thick stainless steel clad plate (SSCP), this paper proposes high-power laser-arc hybrid welding (HP-LAHW) single-pass weld thick SSCP. The eff
Externí odkaz:
https://doaj.org/article/3dfba3bf24354904b79bb32fc1bd1ef5
Publikováno v:
Journal of Materials Research and Technology, Vol 30, Iss , Pp 385-396 (2024)
Keyhole instability and high porosity are prone to occur in laser-arc hybrid welding (LAHW) with an increase in aluminum alloy thickness. In this study, a high-power laser up to 8.0 kW at different oscillating frequencies (f) was used to achieve acce
Externí odkaz:
https://doaj.org/article/629b119008d14303bae19d816e14bb07
Publikováno v:
Journal of Materials Research and Technology, Vol 27, Iss , Pp 194-199 (2023)
Laser-arc hybrid welding of 2219 aluminum alloy was carried out employing TiB2 particles. By pre-cladding a wide layer, the particles were easy to arrive weld edge, promoting the columnar grains neighboring the fusion line transferred to equiaxed, an
Externí odkaz:
https://doaj.org/article/353e136912ca4d128eca4e48a585362d
Publikováno v:
Metals, Vol 14, Iss 8, p 946 (2024)
The effective welding of a 6 mm thick TA2 pure titanium medium-thickness plate was achieved by laser–arc hybrid welding (LAHW) with helium–argon mixed shielding gas. Conducted research on the influence of helium–argon mixed shielding gas on pla
Externí odkaz:
https://doaj.org/article/ce88861b063a4c2baa371c3cc9b91f9f
Autor:
K. Devendranath Ramkumar, A. Vishnu Arvind, K.V. Rama Aravinth, E. Srivatson, Supriyo Ganguly
Publikováno v:
Journal of Materials Research and Technology, Vol 26, Iss , Pp 6255-6265 (2023)
Inconel 718 joints were fabricated using the pulsating direct current gas tungsten arc welding (PDCGTAW) and laser-arc hybrid welding (LAHW) techniques using Ni-Cr-Mo-rich filler. A cyclic post-weld heat treatment (PWHT) comprising 980 °C/20 min/air
Externí odkaz:
https://doaj.org/article/21787cbd4e394f79b651201cf8378558
Publikováno v:
Journal of Materials Research and Technology, Vol 26, Iss , Pp 4191-4205 (2023)
This paper describes the droplet transfer behavior and weld formation of laser-arc hybrid welding with cable-type welding wire (CWW). The droplet transfer behavior was photographed in real time by using a high-speed camera. The effects of energy para
Externí odkaz:
https://doaj.org/article/26785432b5914a2bacad648862a4ace2