Modern automobile applications such as petrol, diesel, and gaseous fuel injection system use dissimilar Inconel 718 (IN718) and Stainless Steel 304 (SS 304) joints. IN 718 is a precipitation-hardened austenitic nickel-based superalloy with exceptional qualities such as high strength, resistance to corrosion, greater toughness, as well as resistance to thermal induced fatigue at elevated temperatures (between 150 and 1500oC), while SS 304 is a T 300 Series austenitic stainless steel alloy that can be used successfully in wide range of applications due to greater resistance to corrosion, good high and low temperature strength and ductility with excellent weld ability and formability. To get a better understanding of the mechanical characteristics of these heterogeneous weldments, these alloy joints were created using laser beam welding, one of the most modern joining techniques for high-strength materials. Laser Beam Welding (LBW) has received significant attention in recent decades owing to a number of benefits it offers over traditional joining techniques, including improved physical and mechanical characteristics with fewer errors and a fast process that consumes less energy, making it more economical. In the present investigation, crack-free deep penetrating joints of 1mm thickness were created using laser beam welding. Tensile and hardness measurements were taken on the joint. The joint had poor strength and failed at the Fusion Zone (FZ). The mechanical characteristics of deeply penetrated laser welded dissimilar weldments made of Inconel 718, a nickel-based superalloy, and SS 304 are investigated in this article. Mechanical properties were determined at room temperature using the Vickers hardness and tensile tests. The experimental findings indicated that the tensile samples of the dissimilar welded joints was ruptured at the fusion zone and showing a clear ductile mode of fracture.


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    Titel :

    Investigations on advanced Joining Method for Inconel 718 and SS304 Dissimilar Joints


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:

    Kongress:

    10TH SAE India International Mobility Conference ; 2022



    Erscheinungsdatum :

    2022-10-05




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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