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Roy, S.
- Investigation into Correlations of Weld-Hardness with Heat Input Rate for Arc Welded Butt Joints
Authors
1 Mechanical Engineering, Bengal Engg. and Science University, Shibpur, Howrah-3, IN
2 Mechanical Engineering, Jadavpur University, Kolkata-700032,, IN
Source
Journal of the Association of Engineers, India, Vol 79, No 1-4 (2009), Pagination: 32-39Abstract
An attempt has been made to establish the correlations of weld-hardness with heat input rate using standard statistical techniques of regression analysis. To achieve the objective, 24 welded samples fabricated from hot rolled structural steel (carbon percentage varying from 0.17 to 0.22) plates (10 and 12mm thick) were used in the experiment. The samples were rectangular plates (750mm x 600mm x 10-12mm), single-V butt joint, manully arc welded, using multiple runs.
The best-fit equations thus obtained can be used to predict the weld-hardness corresponding to the least value of heat input rate, the weldments being as sound as the base metal.
- Study on Influence of Welding Parameters on Hardness of Welds in Submerged Arc Butt Welding
Authors
1 B.E. College (D.U.), How-3, IN
2 B.E. College (D.U.), Howrah-711103, IN
Source
Journal of the Association of Engineers, India, Vol 72, No 1-4 (2002), Pagination: 3-8Abstract
In the present investigation an attempt has been made to study the effects of welding parameters on hardness of weld deposited by submerged arc welding.
Hardness of the welds have been studied with respect to the variation in welding voltage, current and speed.
It has been found that for a definite combination of the welding parameters maximum hardness is achievable.
- Role of Fertiliser Marketers in Rural Development in the Eastern Region
Authors
1 The Fertiliser Association of India, Eastern Region, IN
Source
Journal of the Association of Engineers, India, Vol 53, No 4-1 (1978), Pagination: S24-S24Abstract
In a predominantly agricultural country like ours any rural development scheme must be based on rapid agricultural progress. This is particularly true in the Eastern Region where, agriculture is still largely a traditional form of occupation and thus, yet to show a significant growth rate in agricultural production in spite of huge potentialities.- Study of Wear of Conical Bearings
Authors
1 Department of Mechanical Engineering, Bengal Engineering College, Howrah-3, West Bengal, IN