Journal Analysis: Industrial Materials and Process

change magnitude concern with fuel consumption leads to widespread interest in jackanapes structures for transportation vehicles. Several competing technologies are available for the structural connections of these structures, namely dyers mignonette, robotlike fastening/riveting, and adhesive technologies. Great interest is dedicated to conjoin of loose structures, particularly beca usage of economic reasons derived of part count reduction, faster and cheaper fabrication, and thinkable burden gains.However, drawbacks of weld include variation of properties in the welcomed area, intrinsic metallurgical difficulties sibyl conduct to unacceptable defects, as well as, from a mechanical design saddle of view, possibly detrimental fatigue behavior features associated with the continuous path of crevice propagation. Crucial factors for the application of new technologies are the cost. Especially for the substitution of metals by blithe exercising weight alloys beneath all tec hnological properties of the economic aspects urinate to be considered.Currently the technological treates receiving more widespread interest in metallike lightweight structures are laser beam welding (LB) and friction escape from welding (FSP). According to E. Schubert, M. Classes ET. AL Light weight dowers are of all-important(a) interest for all branches that produce moving masses. The aim to reduce weight has to be accompanied by high production efficiency and component performance. Laser beam connectedness offers the possibility to manufacture mutuals of all light metals and their combination. Laser welding is a high energy beam process and in this regard is similar to electron beam.With that exception they are impertinent one another. The energy density of the laser is achieved by the concentration of light waves not electrons. The laser output is not galvanizing, does not require electrical continuity, is not influenced by magnetism, is not contain to electrically conductive materials and in fact can interact with any material whether it be metal, plastic, wood, ceramic, and so on Finally its function does not require a vacuum nor are x-rays produced. Friction- displace welding (FSP) is a solid-state association process (the metal is not melted) that uses a third body tool to Join two go about surfaces.Heat is generated surrounded by the tool and material which leads to a very soft orbit near the FSP tool. It thusly eugenically intermixes the two members of metal at the place of the Joint, then the softened metal (due to the elevated temperature) can be Joined utilize mechanical pressure (which is applied by the tool), much like Joining clay, or dough. It is primarily used on aluminum, and most often on extruded aluminum (non-heat treatable alloys), and on structures which need superior weld strength without a post weld heat treatment.Methodology of the Researches According to the Journal of R. Brushstrokes et al. Joining engineering of lightweight dissimilar metals mingled with magnesium and aluminum alloys are subjective for legalizing hybrid structure cars and other engineering application. In the present study, the average center line welding of lap up Joint was carried out by laser welding. It was found that the intervocalic layer formed near interface between two metals significantly degraded the Joining metal, which contributes to control thickness of intervocalic flux layer.Based on the result of FEM. analysis, the edge line welding of lap Joint was carried out, which could easily control the thickness of intervocalic layer and successfully obtained high Joining strength. In comparison with the Journal of R. Brushstrokes et al. According to T. Mortising et al. Macrostructure and mechanical properties of dissimilar welding Joint between AY alloy and MGM alloy by laser welding was very brittle because of building up MGM AAA intervocalic compounds in fusion zone.On the other hand, FSP is anticipated t o welding dissimilar alloys AY alloys and GAZA magnesium alloy with conglomerate tool rotational speed and welding speed. These joints showed higher hardness in their stir zones than that of parent GAZA alloy because of MGM-AY inter metallic compound establishment. Over, the rule of stir zone was patheticer than that of fusion zone of laser welding, and was changed with the welding parameter of tool rotational speed and welding speed. In conformance with R. Brushstrokes et al. O the problem of intervocalic compound, another approach to control intervocalic compound fundamental law has to be developed for Joining magnesium and aluminum alloys. The coercive sagacity depth of molten in lap Joint configuration magnate be a possible approach for reducing intervocalic compound formation, in the present study laser welding between agencies alloy GAZA B and aluminum AY-O was carried out. Since the acuteness depth of molten metal in lap Joint will be one of important factor for con trolling the thickness of intervocalic compound layer.Results and Findings of the Researches In accordance with R. Brushstrokes et al. After fictile-shear tests, it was found that mischance occurred inside intervocalic compound layer, which degraded strength of the Joint. The maximum failure make full and strength obtained for the welding lap Joint were NON and 20 adenylic acid. This failure cut is about 37% of yield load of AY-O alloy. Results of the tensile test of T. Mortising et al. The tensile strength of sales booth was 244 Amp in aluminum alloy and 241 Amp in magnesium alloy. The Joint efficiency was achieved 61% of the strength of the base material. FSP has several disadvantages.As it is a solid state process, a great inwardness of tool wear takes place during the plunging stage as the work piece material is cold at this time. Weld speeds in FSP are s outset-moving which can lead to time-consuming Joining process. As higher weld forces are required during this proces s, equipment used for FSP is massive and expensive. Moreover friction stir welding of high melting temperature materials, such as steel and unvarnished steel are known to have welding tool limitations. Therefore, the use of standard FSP machines runs into high capital cost requirements and relatively poor productivity.LB has advantages nice working with exact placing of the energy spot, welding of complicated Joint geometry, low heat application, therefore minor changes in macrostructure, low thermal distortion, cavity-free welds, low post weld operation times, large working distance is possible ( welding up to 500 mm distance and also to ungetatable parts). And its disadvantages are The welding plants are expensive, depending upon the equipment, If filler material is necessary they are, because of the limited amount produced, relatively expensive.Analysis and Recommendation of the Researches It was difficult to obtain enough bore welding strength in welding lap Joint between ma gnesium and aluminum alloy plates due to intervocalic compound layer formation it was found that the edge-line welding lap Joint could realize the shallow penetration depth of molten metal into lower plate, which would be effective for educing the reply between two metal and then the formation of intervocalic compound.