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The results show that the heating effect of arc is evidently enhanced, it is viable to achieve the no preheating TIG welding of red copper.
The results seem to suggest that external and internal exposure to Cr and Ni in FCW welders welding SS is low in general.
Elevated Mn levels among welders may alter the homeostasis of Cu and Zn.
Heavy metal exposure-induced adverse respiratory effects among metal arc-welders are mediated through haematological and cytological interactions.
In conclusion, our results showed a significant association between the concentrations of metals and soluble inflammatory markers in the NALF of welders.
The process was very effective for the application to the welding of copper in order to contribute not only to plasma preheating the base material but also stabilizing the MIG arc.
This appears to have been the first time that gas‐metal arc‐welding problems were treated in such a fundamental manner.
The present study corroborates the findings of our previous study in another group of welders.

Related Questions

Related study about welding?4 answersWelding has been studied in various contexts. One study found that welders exposed to particulate matter (PM) had increased cardiovascular mortality, potentially due to the pro-thrombotic state and endothelial/platelet activation observed in welders. Another study examined the effects of welding fumes on workers and found a correlation between long-term exposure to welding materials and health-related complications, particularly respiratory disorders. Additionally, the influence of basicity index on the mechanical properties of structural steel in welding was investigated, with higher basicity index fluxes resulting in increased impact toughness and micro hardness values. A study using big data analysis identified trending research topics in arc welding, providing an overview of current research and indicating areas of interest. Finally, a literature review concluded that while Parkinson's disease is not related to welding, the welding job may produce symptoms resembling Parkinson's disease, known as manganism.
What are the effects of welding on the microstructure and properties of metals?5 answersWelding has various effects on the microstructure and properties of metals. The microstructure of the weld can be significantly influenced by the welding process, leading to changes in grain size and morphology. The mechanical properties of the welded joint can also be affected, such as changes in tensile strength and hardness. Additionally, the presence of defects in the weld, such as cracks, shrinkage cavities, or porosity, can impact the overall quality and performance of the joint. The use of different welding techniques and parameters, such as heat input and cooling rate, can further influence the microstructure and properties of the welded metal. Overall, understanding and controlling these effects is crucial for ensuring the desired quality and performance of welded metal components.
Can you explain welding datas?4 answersWelding data refers to the collection and analysis of various parameters and characteristics during the welding process. It involves gathering information such as working parameters of the welding machine, current position data of the machine, and current operating conditions. This data can be used to evaluate welding parameters, optimize the welding process, and improve welding quality. Techniques such as high-speed data acquisition and signal processing are used to capture and filter the welding data, enabling meaningful analysis and comparison of different welding electrodes and consumables. Welding data can also be used to describe the design, fabrication, and inspection of weldments, providing a standardized format for digital data exchange. Additionally, welding data storage devices can be used to measure welding operations and phenomena, extract relevant feature amounts, and generate a database for welding quality management.
How can we improve the welding skills of students?5 answersTo improve the welding skills of students, various methods and tools have been explored. One approach is to provide welding training that includes theoretical explanations and practical practice sessions. Another method is the use of a mobile app, such as the Mobile Arc Welding app, which has been found to positively impact students' learning process and motivation. Virtual learning environments and simulators have also been utilized to enhance welding skills development, providing a safe and immersive learning experience. Additionally, the implementation of project-based learning models has shown to be effective in improving both welding skills and teamwork skills among vocational high education students. These approaches offer opportunities for students to learn and practice welding skills in a structured and engaging manner, ultimately enhancing their proficiency in this field.
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