Zobrazeno 1 - 10
of 4 222
pro vyhledávání: '"Shielding gas"'
Publikováno v:
Advances in Sciences and Technology, Vol 18, Iss 6, Pp 227-246 (2024)
The goal of this research was to determine the appropriate parameters for welding two-phase duplex stainless steel (DSS) and to understand the challenges involved in the process. For welding pipes with diameters of ø25 mm and ø38 mm of steel type 1
Externí odkaz:
https://doaj.org/article/4e2faf4d57fd48228c8dc4bc335f4754
Influence of shielding gas flow on pore evolution in AlSi10Mg/In718 alloy by laser powder bed fusion
Publikováno v:
Journal of Materials Research and Technology, Vol 30, Iss , Pp 8774-8791 (2024)
Laser powder bed fusion (LPBF) manufactured parts often suffer from porosity defects due to the rapid cooling and solidification processes, as well as the complex flow dynamics within the molten pool. These defects directly affect the mechanical prop
Externí odkaz:
https://doaj.org/article/3000f4d3e9984fe28d638c87855fef24
Publikováno v:
You-qi chuyun, Vol 43, Iss 4, Pp 449-456 (2024)
[Objective] This paper seeks to address shortcomings in the conventional structural design of welding torch nozzles, such as prolonged development cycles, high costs, and uncertainty regarding the efficacy of shielding gas fow field protection. [Meth
Externí odkaz:
https://doaj.org/article/ebd004cf7644478fa2625ccdbfd13ef9
Publikováno v:
Journal of Materials Research and Technology, Vol 28, Iss , Pp 683-694 (2024)
In this paper, the ER5356 aluminum alloy wire was used for cold metal transfer (CMT) welding of the 5083-H111 base metal with 20 mm thickness. The effects of four shielding gases, which were 100%Ar, 75%Ar+25%He, 50%Ar+50%He and 100%He on the weld for
Externí odkaz:
https://doaj.org/article/8ce59644d2f843a0838ed6742d5b5437
Autor:
Masahiro KAWABATA, Tomoaki SASAKI, Katsunori WADA, Shuhei KANEMARU, Yuji NOMURA, Hiroyuki SASAHARA
Publikováno v:
Journal of Advanced Mechanical Design, Systems, and Manufacturing, Vol 18, Iss 4, Pp JAMDSM0047-JAMDSM0047 (2024)
A rotary tungsten inert gas (TIG) torch has been developed to enhance the quality and complexity of fabrications in wire and arc additive manufacturing (WAAM). This study explores the influence of arc length on deposition characteristics within a rot
Externí odkaz:
https://doaj.org/article/337f2c8dc22c46208061c37789882b80
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:
Felipe Ribeiro Teixeira, Vinicius Lemes Jorge, Fernando Matos Scotti, Erwan Siewert, Americo Scotti
Publikováno v:
Materials, Vol 17, Iss 13, p 3328 (2024)
The main objective of this work was to propose and evaluate a methodology for shielding-gas selection in additive manufacturing assisted by wire arc additive manufacturing (WAAM) with an austenitic stainless steel as feedstock. To validate the propos
Externí odkaz:
https://doaj.org/article/38c73d83cd22436ead44432d4fc629f4
Publikováno v:
Defence Technology, Vol 27, Iss , Pp 138-153 (2023)
Ar–N2-O2 ternary shielding gas is employed in dissimilar welding between high nitrogen steel and low alloy steel. The effect of O2 and N2 is investigated based on the systematical analysis of the metal transfer, nitrogen escape phenomenon, weld app
Externí odkaz:
https://doaj.org/article/da3eaf19bbbe44ee9cc6e3d11e5f908d
Publikováno v:
Journal of Materials Research and Technology, Vol 25, Iss , Pp 1193-1207 (2023)
CO2 shielding gas was innovatively employed for TC4/304SS dissimilar metal arc welding, overcoming the limitation of active gas application for Ti welding. The effect of CO2 addition on welding process was investigated. Our results show that the CO2+
Externí odkaz:
https://doaj.org/article/b09a5d3638334ee895afcca06abb0e42
Autor:
Xian SUN
Publikováno v:
Taiyuan Ligong Daxue xuebao, Vol 54, Iss 3, Pp 432-442 (2023)
The effect of rare earth metals added to wire on droplet transfer mode in GMAW with pure CO2 shielding gas was reviewed. The results show that when the welding wire containing rare earth metals is welded with DCEN pure CO2 shielding gas, owing to the
Externí odkaz:
https://doaj.org/article/4ad8db03e51f460cacedb6a8b8cadb88