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Optimization of GMAW Process Parameters to Improve the Length of Penetration in EN 10025 S 235 Grade
M. U. Deshpande,J. M. Kshirsagar,H. M. Dharmadhikari 대한용접·접합학회 2017 대한용접·접합학회지 Vol.35 No.1
In auto ancillary fabrication industry, GMAW is a very useful & important welding process and EN10025 S 235 Grade is common material used for manufacturing of two wheeler chassis. This research gives the detail influence of welding process parameters such as welding current, welding voltage, wire speed on the penetration in EN10025 S 235 Grade mild steel material. The experimentation of this research has been carried out by using three factors, three level Taguchi DOE method. To analyze & optimize the welding parameters & characteristics, analysis of variance, L9 orthogonal array & signal to noise ratio are used. Length of Penetration in addition to the depth of penetration is major concern in fillet welded joints, as the penetration decides the strength of the welded joint. After analysis of penetration in all 9 welded samples, optimize parameters readings verified & found probability value within 0.05.From this research it is come to know that welding current & welding voltage is major parameters which affects the penetration in welded joints.
Optimization of GMAW Process Parameters to Improve the Length of Penetration in EN 10025 S 235 Grade
Deshpande, M.U.,Kshirsagar, J.M.,Dharmadhikari, Dr. H.M. The Korean Welding and Joining Society 2017 대한용접·접합학회지 Vol.35 No.1
In auto ancillary fabrication industry, GMAW is a very useful & important welding process and EN10025 S 235 Grade is common material used for manufacturing of two wheeler chassis. This research gives the detail influence of welding process parameters such as welding current, welding voltage, wire speed on the penetration in EN10025 S 235 Grade mild steel material. The experimentation of this research has been carried out by using three factors, three level Taguchi DOE method. To analyze & optimize the welding parameters & characteristics, analysis of variance, L9 orthogonal array & signal to noise ratio are used. Length of Penetration in addition to the depth of penetration is major concern in fillet welded joints, as the penetration decides the strength of the welded joint. After analysis of penetration in all 9 welded samples, optimize parameters readings verified & found probability value within 0.05.From this research it is come to know that welding current & welding voltage is major parameters which affects the penetration in welded joints.
Dolichos biflorus Linn attenuate progression of renal damage in alloxan-induced diabetic rats
Chidrewar, G.U.,Mane, V.S.,Ghaisas, M.M.,Deshpande, A.D. Kyung Hee Oriental Medicine Research Center 2010 Oriental pharmacy and experimental medicine Vol.10 No.2
Dolichos biflorus Linn. (Fabaceae), commonly known as Horse gram is a medicinal plant, used in folk medicine for treating kidney stones and diabetes mellitus. The purpose of the present study was to investigate the effects of daily oral feeding of various doses of methanolic extract of Dolichos biflorus seeds (DB) for 42 days on blood glucose concentrations and kidney functions in Alloxan-diabetic rats. Plasma glucose levels, body weight, serum creatinine, and urinary albumin levels were monitored on $15^{th}$, $29^{th}$, $43^{rd}$ day. Renal hypertrophy was assessed as the ratio between the kidney weight and body weight of the rats. Plasma glucose concentrations in Alloxan-diabetic rats were significantly reduced by the administration of DB (350 mg/kg) and DB (700 mg/kg) on day 15 and onwards (P < 0.01). After 15 days of Alloxan administration urinary albumin levels (UAE) were over 5 fold higher in diabetic controls as compared to normal controls. Treatment with DB significantly prevented the rise in UAE levels from day 15 to 43 in comparison to diabetic controls (P < 0.01). Renal hypertrophy was significantly higher in diabetic controls as compared to non-diabetic controls. Treatments with DB (350 mg/kg) and DB (700 mg/kg) significantly prevented renal hypertrophy (P < 0.01) as compared to diabetic controls. DB (175 mg/kg) failed to modify renal hypertrophy. Thus the present study indicates that methanolic extract of Dolichos biflorus may be useful in management of hyperglycemia and kidney functions in Alloxan-diabetic rats.