Submerged arc welding is mainly used to weld high thickness steel plates in various applications such as offshore oil drilling platforms, bridges, building construction, and pressure vessels. Suitable flux composition and welding parameters play an important role in determining the good bead quality, which further affects the mechanical properties of welded joint. Agglomerated fluxes were formulated based on CaO–SiO2–CaF2 and CaO–SiO2–Al2O3 flux system using constrained mixture design and extreme vertices design approach. The chemical compositions of the bead on plate have been studied using formulated fluxes. Twenty one beads on plate experiments were conducted at constant current, voltage, and welding speed using submerged arc welding process. In the present study, chemical composition, grain size, and microhardness properties of series of bead on plate weld deposits (for API 5 L X70 grade pipe line) were optimized by using multiobjective optimization approach.
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June 2019
Research-Article
Design of CaO–SiO2–CaF2 and CaO–SiO2–Al2O3 Based Submerged Arc Fluxes for Series of Bead on Plate Pipeline Steel Welds—Effect on Carbon and Manganese Content, Grain Size and Microhardness
Lochan Sharma,
Lochan Sharma
Mechanical Engineering Department,
Indian Institute of Technology,
Jodhpur, Rajasthan 342037, India
e-mail: sharma.11@iitj.ac.in
Indian Institute of Technology,
Jodhpur, Rajasthan 342037, India
e-mail: sharma.11@iitj.ac.in
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Rahul Chhibber
Rahul Chhibber
Mechanical Engineering Department,
Indian Institute of Technology,
Jodhpur, Rajasthan 342037, India
e-mail: rahul_chhibber@iitj.ac.in
Indian Institute of Technology,
Jodhpur, Rajasthan 342037, India
e-mail: rahul_chhibber@iitj.ac.in
Search for other works by this author on:
Lochan Sharma
Mechanical Engineering Department,
Indian Institute of Technology,
Jodhpur, Rajasthan 342037, India
e-mail: sharma.11@iitj.ac.in
Indian Institute of Technology,
Jodhpur, Rajasthan 342037, India
e-mail: sharma.11@iitj.ac.in
Rahul Chhibber
Mechanical Engineering Department,
Indian Institute of Technology,
Jodhpur, Rajasthan 342037, India
e-mail: rahul_chhibber@iitj.ac.in
Indian Institute of Technology,
Jodhpur, Rajasthan 342037, India
e-mail: rahul_chhibber@iitj.ac.in
Contributed by the Pressure Vessel and Piping Division of ASME for publication in the JOURNAL OF PRESSURE VESSEL TECHNOLOGY. Manuscript received August 11, 2018; final manuscript received March 20, 2019; published online April 11, 2019. Assoc. Editor: Bostjan Bezensek.
J. Pressure Vessel Technol. Jun 2019, 141(3): 031403 (10 pages)
Published Online: April 11, 2019
Article history
Received:
August 11, 2018
Revised:
March 20, 2019
Citation
Sharma, L., and Chhibber, R. (April 11, 2019). "Design of CaO–SiO2–CaF2 and CaO–SiO2–Al2O3 Based Submerged Arc Fluxes for Series of Bead on Plate Pipeline Steel Welds—Effect on Carbon and Manganese Content, Grain Size and Microhardness." ASME. J. Pressure Vessel Technol. June 2019; 141(3): 031403. https://doi.org/10.1115/1.4043298
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