Results 81 to 90 of about 3,968,903 (188)

Influence of Gravity on Molten Pool Behavior and Analysis of Microstructure on Various Welding Positions in Pulsed Gas Metal Arc Welding

Applied Sciences, 2019
This study performed welding on various welding positions in the flat, overhead, and vertical down positions using a pulsed gas metal arc welding (P-GMAW) process.
Jin-Hyeong Park, Sung-Hwan Kim, Hyeong-Soon Moon, Myung-Hyun Kim   +3 more
doaj   +1 more source

Selection of Welding Conditions for Achieving Both a High Efficiency and Low Heat Input for Hot-Wire Gas Metal Arc Welding

Journal of Manufacturing and Materials Processing
This study presents a new gas metal arc welding (GMAW) technique that achieves both high efficiency and low heat input using a hybridization of the hot-wire method.
Keita Marumoto, Akira Fujinaga, Takeshi Takahashi, Hikaru Yamamoto, Motomichi Yamamoto   +4 more
doaj   +1 more source

Research status of seam tracking methods for orbital pipe welding robots

Journal of Hebei University of Science and Technology, 2015
This paper first outlines the worldwide oil and gas pipeline laying situation by 2013 and industrial applications, the working characteristics and advantages of orbital pipe welding robots using the gas metal arc metal(GMAW).
Sheng HU, Yu LUO, Xiangdong JIAO, Canfeng ZHOU, Suxin HAN   +4 more
doaj   +1 more source

Analysis of Welding Current Variation Effects on Gas Metal Arc Welding (GMAW) Characteristics in Low-Carbon Steel

Journal of Educational Engineering and Environment
This research utilizes Gas Metal Arc Welding (GMAW), a process whose performance characteristics significantly influence weld strength, particularly tensile capacity and flexibility. Higher electrical control contributes to increased tensile strength in welds, sometimes exceeding the base metal's tensile strength.
null Irvan Bayu Irawan, null Kurniawan, null Ahmad Ruliyanto, null Ikhwanul Qiram   +3 more
openaire   +1 more source

Microstructure, mechanical properties and sensitization of ultra-low nickel Cr–Mn austenitic stainless steels

Journal of Materials Research and Technology
The present study deals with the effect of shielded metal arc welding (SMAW) and gas metal arc welding (GMAW) processes with different welding speeds on microstructural and mechanical properties including intergranular corrosion susceptibility of ultra ...
Sachin P. Ambade, Chetan K. Tembhurkar, Awanikumar Patil, Atul V. Tidke, Sagar D. Shelare, Chander Prakash, Milos B. Djukic, Nima Khosravi, Prabhu Paramasivam   +8 more
doaj   +1 more source

Structural Integrity Assessment of Stainless Steel Fabricated by GMAW-Assisted Wire Arc Additive Manufacturing

Technologies
Metal additive manufacturing techniques have seen technological advancements in recent years, fueled by their ability to provide industrial use parts with excellent mechanical properties.
Joel Sam John, Salman Pervaiz
doaj   +1 more source

Comparison of contrast sensitivity among welder with three methods of GMAW, SMAW and resistance welding

بهداشت و ایمنی کار, 2014
Introduction: The present study was carried out to compare contrast sensitivity among three groups of professional welders including (1) those who use gas metal Arc welding (GMAW) (2) those who use shield metal Arc welding (SMAW) and the group that uses ...
B. Maleckpour, E. Jafarzadehpour, A. Mirzajani   +2 more
doaj  

Influence of controlled and conventional short circuit waveforms on mechanical and microstructural effects in the gas metal arc welding processes

Case Studies in Thermal Engineering
Short Circuit Gas Metal Arc Welding (GMAW) is used extensively for high-productivity welding thin steel sheets and is also useful for positional welding of thicker section steels.
A Santhakumari, T. Senthilkumar, N. Ramasamy, G. Mahadevan   +3 more
doaj   +1 more source

Vision-Based Online Molten Pool Image Acquisition and Assessment for Quality Monitoring in Gas–Metal Arc Welding

Applied Sciences
In gas–metal arc welding (GMAW), the welding quality is influenced by various factors, including the welding conditions and external environment. Achieving a high welding quality requires careful observation and control. Welding monitoring is crucial for
Gwang-Gook Kim, Young-Min Kim, Dong-Yoon Kim, Jong-Kyu Park, Junhong Park, Jiyoung Yu   +5 more
doaj   +1 more source

PELATIHAN PROSES GAS METAL ARC WELDING (GMAW) UNTUK TUKANG LAS SOLO RAYA

Abdi Masya
Jumlah bengkel las di Solo raya sangat banyak namun ragam produk yang mereka tawarkan adalah hampir sama, yaitu produk-produk yang baerkaitan dengan rumah tangga seperti pagar, kanopi dan trails jendela. Produk-produk ini dipasarkan dalam bentuk pesanan, sehingga kontinyuitas produk dari waktu ke waktu tidak stabil kadang pesanan sangat banyak, kadang ...
null Triyono, Nurul Muhayat, Eko Surojo
openaire   +1 more source