WE Colloquium: Badri Naryanan, Consumable-Process interactions and its relevance to solutions development for joining and additive manufacturing

Lincoln Electric Company, Dir. of Consumable Research and Development

All dates for this event occur in the past.

111 EJTC
111 EJTC
1248 Arthur Adams Dr
Columbus, OH 43221
United States

Abstract

New consumable and metal deposition process development for a variety of joining and additive applications can be categorized under three motivations. Material property enhancement (strength, toughness, fatigue etc.), Higher through-put (speed, joint efficiency, cost) or Enhanced user experience (ease of use, lower spatter, lower fume). The work presented today will cover two case studies. The first case involves product and process development to improve fracture toughness and productivity in the field of structural fabrication using an automated gas-less arc welding process that combines recent development in the understanding of essential variables that control low temperature fracture toughness of ferritic weld metal in thick sections with process improvements to the metal transfer process. The second case involves the development of an additive metal deposition process using wire as feedstock for high through-put applications with a dual heat source (laser and resistive heating) to enable better control to optimize deposition rate and build parameters and the opportunities for feedstock design to tailor performance. 

Bio

Dr. Badri K Narayanan, is the Director of Consumable Research and Development at the Lincoln Electric Company based out of Cleveland, OH. Badri Narayanan leads a group of around 50 engineers, scientists and technologists working on different consumable materials for joining and additive applications. In this role, he is in charge of new technology development, patent and product portfolio management and product compliance. He has also been a key player in developing the additive strategy for Lincoln Electric. He has a Ph.D in Materials Science and Engineering from The Ohio State University and holds an adjunct faculty position in the Materials Science and Engineering Department at Case Western Reserve University. He holds 8 patents and sits on the industrial advisory board for several industry-academia partnerships. He also serves as an advisor on the AWS D20 committee on additive manufacturing.

Category: WE Sem & Colloq