نتایج جستجو برای: dissimilar metals welding
تعداد نتایج: 87633 فیلتر نتایج به سال:
BACKGROUND Brain tumor etiology is poorly understood. Based on their ability to pass through the blood-brain barrier, it has been hypothesized that exposure to metals may increase the risk of brain cancer. Results from the few epidemiological studies on this issue are limited and inconsistent. METHODS We investigated the relationship between glioma risk and occupational exposure to five metal...
Dissimilar metals have found wide use in electric power generation, electronics, reactors, nuclear, petrochemical, chemical industries, civil construction, vessels, and heat exchange as well several other industries. TIG welding (Tungsten Inert Gas Welding) is a type of that uses tungsten the electrode material not consumed. Brazing way joining metal materials through heating process with an ad...
The solidification cracking behavior in laser welds of steel/copper dissimilar metals was systematically investigated. T2 copper and SUS304 stainless steel were used the study. results showed that occurrence synergistic effect ? phase liquation, inclusions composition segregation. During welding process, liquation grain boundaries substantially reduced cohesion between adjacent grains, as well ...
Abstract. Friction stir welding (FSW) is an important joining process wherein two dissimilar metals and alloys are welded together using frictional heat produced in a revolving tool workpiece. FSW playing role material of Magnesium (Mg) Aluminum (Al) materials due to the increasing demand for their industrial applications. In this review article, research background processes, influences factor...
Brazing generally require cumbersome apparatus be it induction, vacuum or torch brazing. In torch brazing, metals are joined by using the oxyacetylene cylinder. It thus becomes difficult to carry out brazing at the places where it is not possible to take heavy gas cylinders and brazing apparatuses. So it is tried to figure out the method to carry out brazing at places where conventional brazing...
Major joining methods of dental casting metal include brazing and laser welding. However, brazing cannot be applied for electroformed metals since heat treatment could affect the fit, and, therefore, laser welding is used for such metals. New methods of joining metals that do not impair the characteristics of electroformed metals should be developed. When new coating is performed on the surface...
In the present study, friction spot welding or refill friction stir spot welding was performed to consolidate dissimilar AA5754 Al and AZ31 Mg alloys. The intermetallic compounds of Al12Mg17 and Al3Mg2 were primarily found in the weld, distributed at the interface between the base materials and in the Al top sheet. The distribution of the intermetallic compounds and the interfacial area between...
This paper represents a selected survey of incisive research on novel welding consumables which contribute to the structural integrity of advanced engineering structures. It is evident that there are tremendous advances to be made by applying the most sophisticated instrumentation available to Materials Science, together with theory and insight based on metallurgical experience. We congratulate...
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