Browse Publications Technical Papers 2019-28-0056

Advances in Laser Welding of Stainless Steel Alloys 2019-28-0056

As a fusion welding process, Laser welding has proven to be the most promising method for joining of different materials whether it can be either a similar or dissimilar material category. However, few complications still remain unanswered in joining of materials by laser process after successful implementation of laser’s by industries and also the commercial users in previous year’s such as workpiece preparation, fixture issues, atmospheric conditions, nozzle focus on the material, etc., This article will give an elaborate survey on joining of stainless steel alloys, though there are many factors to be considered here concentration is on the metallurgical behaviour and tensile properties of weldments joined by laser welding technique, because the main criteria for a weldment is to have a coarse grain boundary distribution which may be distorted due to high heat generation during a joining process and to possess good tensile strength in order to withstand the impacts given on the weldment when it is being practically deployed in usage. The material behavior of weldment is primarily based on the process parameters like laser power, laser frequency, feed rate, travel time, nozzle angle. So, it is clearly revealed from previous researches that a better bonding of any material similar/dissimilar by any welding process can be achieved with proper control of process parameters based on the material and type of welding process chosen. Hence, this paper will provide a complete study on stainless steel materials and also further recommendations to enhance the property of a weldment. Therefore this article will be a solution for industries and researchers for further improvement in laser welding domain.


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