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Anbazhagan, V.
- Recent Trends in Laser Welding
Authors
1 The Welding Research Institute, BHEL, Tiruchirapalli - 620 020, IN
2 The Welding Research Institute, BHEL, Tiruchirapalli - 620 020, IN
Source
Indian Welding Journal, Vol 24, No 4 (1991), Pagination: 200-216Abstract
Laser Matrial Processing technology has deeply penetrated into various industrial applications since 1966(1) when the first industrial CO2 Laser was built. Since then the versatility and importance of Laser in material processing has been gaining recognition and acceptance with the result that many industries in the developed countries utilise Laser systems. This has encouraged further investigations into the improvement processing methods using Laser to overcome the presently confronted difficulties.
- Laser Material Processing - Some Applications in Welding Research Institute
Authors
1 Welding Research Institute, BHEL, Tiruchirapalli - 14, IN
Source
Indian Welding Journal, Vol 21, No 3 (1989), Pagination: 510-516Abstract
Laser material processing technology has started taking deep ischolar_mains in our country and no more it is a mystery. Though the technology started penetrating in our country for nuclear applications, no doubt, it has deepened into other industrial sectors like defence, transport, electronics, space, energy, etc.
Welding Research Institute (WRI) has a 575 Watts capacity CO2 Laser supplied by M/s. Coherent, USA. In WRI, the following laser material processing feasibility investigations were carried out for the applications of
• Laser welding of battery can hermetic sealing,
• Laser welding of stainless steel spindle assembly,
• Laser cutting of silicon wafers,
• Laser scribing of silicon steel transformer laminations, and
• Laser scribing of solar cells.
The details of the investigations are brought out in this paper, which will give more explanations about the advantages of Laser material processing compared to conventional material processing techniques. A comparison of performance between Laser and EBW is brought out in the paper for the benefit of the readers.