Recycling of steel slag as a flux for submerged arc welding and its effects on chemistry and performance of welds
The slag generated by the steel plant has been utilized to produce submerged arc welding flux. The flux produced by recycling steel slag has been applied in the submerged arc welding process. The effects of recycled slag on the chemical composition, microhardness, and microstructure of weld metal ha...
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| Veröffentlicht in: | International journal of advanced manufacturing technology 2021-05, Vol.114 (3-4), p.1165-1177 |
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| creator | Saini, Sumit Singh, Kulwant |
| description | The slag generated by the steel plant has been utilized to produce submerged arc welding flux. The flux produced by recycling steel slag has been applied in the submerged arc welding process. The effects of recycled slag on the chemical composition, microhardness, and microstructure of weld metal have been evaluated. For chemical composition, weld pads were prepared and beads on plates for bead geometry were deposited. It has been found that the chemistry of welds deposited using recycled steel slag is acceptable in accordance with ASME specifications. It is further observed that the addition of 10% CaCO
3
, 20% SiO
2
, and 6% MnO to the steel slag during recycling provided 0.10% carbon, 0.11% Si, and 0.8% Mn, respectively, in the weld metal. The microstructure of welds produced using recycled steel slag contains acicular ferrite which is desirable for improved tensile and impact strength. The microhardness of weld metal prepared using recycled steel slag is 220.9 VHN, which is more than that of weld metal deposited with fresh flux. Smooth surface appearance and desirable bead profile having deeper penetration were obtained. It is interesting to note that the cost of recycled steel slag is economical by 62% in comparison with equivalent virgin flux available in the market. The developed technology after fine-tuning will be transferred to the industry for practical applications
. |
| doi_str_mv | 10.1007/s00170-021-06866-1 |
| format | Article |
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3
, 20% SiO
2
, and 6% MnO to the steel slag during recycling provided 0.10% carbon, 0.11% Si, and 0.8% Mn, respectively, in the weld metal. The microstructure of welds produced using recycled steel slag contains acicular ferrite which is desirable for improved tensile and impact strength. The microhardness of weld metal prepared using recycled steel slag is 220.9 VHN, which is more than that of weld metal deposited with fresh flux. Smooth surface appearance and desirable bead profile having deeper penetration were obtained. It is interesting to note that the cost of recycled steel slag is economical by 62% in comparison with equivalent virgin flux available in the market. The developed technology after fine-tuning will be transferred to the industry for practical applications
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3
, 20% SiO
2
, and 6% MnO to the steel slag during recycling provided 0.10% carbon, 0.11% Si, and 0.8% Mn, respectively, in the weld metal. The microstructure of welds produced using recycled steel slag contains acicular ferrite which is desirable for improved tensile and impact strength. The microhardness of weld metal prepared using recycled steel slag is 220.9 VHN, which is more than that of weld metal deposited with fresh flux. Smooth surface appearance and desirable bead profile having deeper penetration were obtained. It is interesting to note that the cost of recycled steel slag is economical by 62% in comparison with equivalent virgin flux available in the market. The developed technology after fine-tuning will be transferred to the industry for practical applications
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Singh, Kulwant</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c358t-c0b7e0d67ac96e87eb6d1a353669fb864a9647879ecb95d7716f84dae4f18fb53</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Beads</topic><topic>CAE) and Design</topic><topic>Calcium carbonate</topic><topic>Chemical composition</topic><topic>Computer-Aided Engineering (CAD</topic><topic>Engineering</topic><topic>Impact strength</topic><topic>Industrial and Production Engineering</topic><topic>Iron and steel plants</topic><topic>Mechanical Engineering</topic><topic>Media Management</topic><topic>Microhardness</topic><topic>Microstructure</topic><topic>Original Article</topic><topic>Recycling</topic><topic>Silicon dioxide</topic><topic>Slag</topic><topic>Submerged arc welding</topic><topic>Weld metal</topic><topic>Welding fluxes</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Saini, Sumit</creatorcontrib><creatorcontrib>Singh, Kulwant</creatorcontrib><collection>CrossRef</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Engineering Collection</collection><collection>Engineering Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>Engineering Collection</collection><jtitle>International journal of advanced manufacturing technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Saini, Sumit</au><au>Singh, Kulwant</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Recycling of steel slag as a flux for submerged arc welding and its effects on chemistry and performance of welds</atitle><jtitle>International journal of advanced manufacturing technology</jtitle><stitle>Int J Adv Manuf Technol</stitle><date>2021-05-01</date><risdate>2021</risdate><volume>114</volume><issue>3-4</issue><spage>1165</spage><epage>1177</epage><pages>1165-1177</pages><issn>0268-3768</issn><eissn>1433-3015</eissn><abstract>The slag generated by the steel plant has been utilized to produce submerged arc welding flux. The flux produced by recycling steel slag has been applied in the submerged arc welding process. The effects of recycled slag on the chemical composition, microhardness, and microstructure of weld metal have been evaluated. For chemical composition, weld pads were prepared and beads on plates for bead geometry were deposited. It has been found that the chemistry of welds deposited using recycled steel slag is acceptable in accordance with ASME specifications. It is further observed that the addition of 10% CaCO
3
, 20% SiO
2
, and 6% MnO to the steel slag during recycling provided 0.10% carbon, 0.11% Si, and 0.8% Mn, respectively, in the weld metal. The microstructure of welds produced using recycled steel slag contains acicular ferrite which is desirable for improved tensile and impact strength. The microhardness of weld metal prepared using recycled steel slag is 220.9 VHN, which is more than that of weld metal deposited with fresh flux. Smooth surface appearance and desirable bead profile having deeper penetration were obtained. It is interesting to note that the cost of recycled steel slag is economical by 62% in comparison with equivalent virgin flux available in the market. The developed technology after fine-tuning will be transferred to the industry for practical applications
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| ispartof | International journal of advanced manufacturing technology, 2021-05, Vol.114 (3-4), p.1165-1177 |
| issn | 0268-3768 1433-3015 |
| language | eng |
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| subjects | Beads CAE) and Design Calcium carbonate Chemical composition Computer-Aided Engineering (CAD Engineering Impact strength Industrial and Production Engineering Iron and steel plants Mechanical Engineering Media Management Microhardness Microstructure Original Article Recycling Silicon dioxide Slag Submerged arc welding Weld metal Welding fluxes |
| title | Recycling of steel slag as a flux for submerged arc welding and its effects on chemistry and performance of welds |
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