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Rohira, K. L.
- Some Aspects of Improving the Quality of Welds in Mig Welding of Aluminium
Abstract Views :213 |
PDF Views:4
Authors
Affiliations
1 Welding Research Institute, BHEL, Tiruchirappalli, IN
2 Regional Engineering College, Tiruchirappalli, IN
1 Welding Research Institute, BHEL, Tiruchirappalli, IN
2 Regional Engineering College, Tiruchirappalli, IN
Source
Indian Welding Journal, Vol 27, No 3 (1994), Pagination: 28-36Abstract
Mig Welding is widely used for welding of aluminium and its alloys. It is a fast, adaptable process and its ability to deposit large quantities of weld metal in any position in a comparatively short period of time makes it extremely attaractive.
- Effect of Surface Tension on Bead Profile formation in Flux Cored Arc Welding
Abstract Views :248 |
PDF Views:4
Authors
Affiliations
1 Welding Research Institute, BHEL, Tiruchirappalli, IN
2 Indian Institute of Science, Bangalore, IN
1 Welding Research Institute, BHEL, Tiruchirappalli, IN
2 Indian Institute of Science, Bangalore, IN
Source
Indian Welding Journal, Vol 27, No 1 (1994), Pagination: 38-40Abstract
A two dimensional weld pool model based on the pressure balance has been used to predict the weld pool height and reinforced area for rutile type flux cored arc welding. The results reveled that the influence of interfacial (surface) tension force on bead shape formation is approximately 25%. At higher current levels effect of these forces are insignificant.- Evaluation of a Welding Power Source
Abstract Views :248 |
PDF Views:4
Authors
Affiliations
1 Welding Research Institute, BHEL, Trichy, IN
2 Electrical & Electronics Engg. Dept., REC, Trichy, IN
1 Welding Research Institute, BHEL, Trichy, IN
2 Electrical & Electronics Engg. Dept., REC, Trichy, IN
Source
Indian Welding Journal, Vol 23, No 2 (1991), Pagination: 76-79Abstract
A number of power sources are available today from different manufacturers for MIG/MAG welding. Thyristor power sources and transistor power sources are gaining popularity. The performance of MIG/ MAG welding power supplies is heavily dependent on their dynamic properties. However, present day codes are not adequate for evaluating the power source since dynamic properties are not taken in to consideration.
In this paper a simplified method is proposed for evaluation of a given power source which can form guidelines for ordering a new power source as well as to evaluate the same. Evaluation of arc stability, arc ignition and spatter level, are some of the factors considered in the present study.
- Some Practical Aspects of Welding Heat Treatable Aluminium Alloys
Abstract Views :189 |
PDF Views:7
Authors
Source
Indian Welding Journal, Vol 37, No 2 (2004), Pagination: 13-20Abstract
Aluminium alloys are extensively used for a wide range of applications due to several attractive properties inherent in this group of materials. Excellent corrosion resistance, good toughness even at low temperatures and high strength to weight ratio of several grades of Aluminium alloys have led to increased industrial applications for these alloys in key areas like aerospace and defense, cryogenic, marine, transportation, tankage and piping. A great many of these applications involve welding as a means of application. While many alloys of aluminium including the high strength heat treatable alloys are weldable in principle and infact welded regularly, yet problems do arise occasionally.- Process Stability Criterion for MIG Welding
Abstract Views :248 |
PDF Views:5
Authors
Affiliations
1 Welding Research Institute, BHEL, Tiruchirapalli - 620 014, IN
1 Welding Research Institute, BHEL, Tiruchirapalli - 620 014, IN