Results 11 to 20 of about 1,280 (118)

改进等离子弧焊+氩弧焊组合焊工艺在油脂设备中的应用Application of improved PAW+TIG combined welding process in oils and fats equipment

open access: yesZhongguo youzhi, 2023
奥氏体不锈钢在油脂设备中应用广泛,为高效、低成本地获得稳定、高质量的奥氏体不锈钢焊缝,在等离子弧焊+氩弧焊(PAW+TIG)组合焊基础上,提出PAW填丝打底焊+TIG脉冲盖面焊的改进PAW+TIG组合焊工艺,以5 mm厚的S30408不锈钢为例进行焊接试验,通过无损检测、拉伸试验、弯曲试验对焊缝进行检测,并梳理了改进PAW+TIG组合焊工艺实施要素。结果表明,改进PAW+TIG组合焊焊缝的外观良好,未出现焊接变形,各项性能满足工艺要求,焊接速度提升明显。采用该工艺对不锈钢进行焊接能延长油脂设备使用寿命 ...
刘玉阳1,2,王国栋1,2,黄永娜1,2,张春鹏1,2,褚洪俊1,2, 孙杰男1,2,赵树超1,2,姚俊双1,2 LIU Yuyang1,2,WANG Guodong1,2, HUANG Yongna1,2, ZHANG Chunpeng1,2 , CHU Hongjun1,2, SUN Jienan1,2, ZHAO Shuchao1,2,YAO Junshuang1,2
doaj   +1 more source

Effect of Fast-Frequency Pulsed Current Parameters on FFP-TIG Arc Behavior and Its Implications for Inconel 718 Welding

open access: yesMetals, 2023
Tungsten inert gas (TIG) is currently one of the most widely applied welding technologies. However, the arc energy divergence and high heat input of conventional TIG can lead to welding defects in heat-input-sensitive alloys (such as Inconel 718 ...
Jianwen Wu   +7 more
doaj   +1 more source

Welding Characteristic Analysis of Hybrid Welding on 2014 Aluminum Alloy

open access: yesInternational Journal of Electrochemical Science, 2013
The experiment of TIG arc and laser high-frequency pulse TIG hybrid welding for 2014 aluminum alloy with the thickness of 7mm were carried out. Through the two welding processes experiments, the correlation between welding process and joints structure as
Zongyu Gao   +4 more
doaj   +1 more source

Suppression mechanism of weld appearance defects in tandem TIG welding by numerical modeling

open access: yesJournal of Materials Research and Technology, 2021
In high-speed tungsten inert gas (TIG) welding, the premature solidification of liquid metal in low-temperature zone of molten pool results in the formation of weld appearance defects (WADs) such as undercut and humping weld.
Guoliang Qin, Chao Feng, Hong Ma
doaj   +1 more source

Noise level assessment and mechanical properties of welded joints of aluminium alloys of the Al-Cu-Li system in FSW and TIG welding [PDF]

open access: yesFME Transactions, 2021
This research paper presents hardness, structure and tensile strength analysis of 1460 alloy of Al-Cu-Li system, welded joints made by Tungsten Inert Gas (TIG) welding and Friction Stir Welding (FSW).
Lukinenko Anna O.   +5 more
doaj  

Optimization of GTAW Process Parameters of Dissimilar Al-Mg Alloys for Enhanced Joint Strength – Taguchi Approach [PDF]

open access: yesArchives of Metallurgy and Materials, 2023
The Tungsten Inert Gas (TIG) welding processes one of the prevalent methods used for welding aluminum alloys. TIG welding is most commonly used due to its superiority in welding less dense materials. The most prevalent issues encountered with TIG welding
D. Antony Prabu   +3 more
doaj   +1 more source

A comparative analysis of friction stir and tungsten inert gas dissimilar AA5082-AA7075 butt welds

open access: yesMaterials Science for Energy Technologies, 2022
The aluminium alloys AA5082 and AA7075 were welded using friction stir welding (FSW) and tungsten inert gas (TIG) welding. The effect of these two (FSW and TIG) welding processes on the tensile and fatigue properties of dissimilar AA5082-AA7075 butt ...
Ratnesh Kumar   +6 more
doaj   +1 more source

Research on the Efficient Repair Technology for Cracks in Thermal Pipeline [PDF]

open access: yesCailiao Baohu, 2021
In view of the frequent occurrence of cracks in thermal pipelines, a test platform similar to the actual working conditions was built and A - TIG welding was used to repair the cracks in thermal pipelines.
ZHANG Zhi - guo, ZHANG Dan - dan
doaj   +1 more source

High Temperature Fatigue Crack Growth Rate Studies in Stainless Steel 316L(N) Welds Processed by A-TIG and MP-TIG Welding.

open access: yesMATEC Web of Conferences, 2018
Welded stainless steel components used in power plants and chemical industries are subjected to mechanical load cycles at elevated temperatures which result in early fatigue failures.
Thomas Manuel   +3 more
doaj   +1 more source

Study the Effect of Welding on Tensile and Hardness Properties for Carbon- Steel by Using Arc Welding &Tig Welding [PDF]

open access: yesEngineering and Technology Journal, 2010
Welding is one of important industrial processes, Therefore many techniques are development to get an efficient and low cost welding for different kind of materials. This research is compared between two technique procedures of welding , (Arc welding ) &
doaj   +1 more source

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