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Biswas, Bidhan Chandra
- On the Effectiveness of Duplex Stainless Steel Cladding Deposited by Gas Metal Arc Welding
Abstract Views :274 |
PDF Views:5
Authors
Anup Kumar Verma
1,
Bidhan Chandra Biswas
1,
Protap Roy
1,
Samiran De
1,
Sukanta Saren
1,
Santanu Das
1
Affiliations
1 Dept. of Mechanical Engineering, Kalyani Government Engineering College, Kalyani-741235, West Bengal, IN
1 Dept. of Mechanical Engineering, Kalyani Government Engineering College, Kalyani-741235, West Bengal, IN
Source
Indian Welding Journal, Vol 47, No 4 (2014), Pagination: 24-24Abstract
Parts of a mechanical system or structure operating, or located, in corrosive environment get corroded gradually, and after a period of operation, it may fail prematurely, thus increasing cost of servicing and maintenance. There are various solutions which can be used to protect components or structures from the detrimental effect of their surrounding environment. Metal cladding is one of the solutions which are used widely and is economical. In the present experimental investigation, duplex stainless steel electrode is taken for cladding employing gas metal arc welding process. Tests are carried out on low alloy steel plates under different parametric combinations. Metallographic study and corrosion test are performed to evaluate changes in microstructure and corrosion behaviour of the clad portion respectively. At a welding voltage of 28 V, weld current of 145 A, and weld speed of 516 mm/min, when heat input is 0.38 kJ/mm, corrosion rate is found to be minimum. Hence, this parameter combination may be recommended for cladding to obtain more service life of components under similar corrosive environment.
- An Investigation on the Anti-Corrosion Characteristics of Stainless Steel Cladding
Abstract Views :498 |
PDF Views:10
Authors
Anup Kumar Verma
1,
Bidhan Chandra Biswas
1,
Protap Roy
1,
Samiran De
1,
Sukanta Saren
1,
Santanu Das
1
Affiliations
1 Department of Mechanical Engineering, Kalyani Government Engineering College, Kalyani-741235, West Bengal, IN
1 Department of Mechanical Engineering, Kalyani Government Engineering College, Kalyani-741235, West Bengal, IN
Source
Indian Welding Journal, Vol 50, No 3 (2017), Pagination: 52-63Abstract
Cladding through GMAW can be done on surfaces of components and structures exposed to corrosive environment to raise their service life. Corrosion resistant materials are clad up on to a corrosion prone material up to a desired thickness. Since clad materials are basically of different compositions, they are dissimilar in nature. In the present work, cladding of austenitic stainless steel (316) is done on to low alloy steel specimens under varying parametric combinations. Clad quality including metallography is studied on clad specimens at different locations of it. Corrosion tests performed on clad specimens show substantially less corrosion pits present on the surface of clad portions than that on the surface of unclad portion. At a weld voltage of 26 V, weld current of 145 A, and weld speed of 535.8 mm/min, with a heat input of 0.338 kJ/mm, corrosion rate is observed to be the minimum among the experiments conducted, and hence, can be recommended to adopt.Keywords
Cladding, Austenitic Stainless Steel, Corrosion, Welding, GMAW, Heat Input.References
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