Control of cooling during spray forming of bearing steel billets
In an effort to minimize the distortion of bearing steel rings during the production process, 100Cr6 steel billets are spray formed with a unique cooling control system to control the cooling and solidification behavior of the deposits. Effects of heating around the deposits, gas cooling at the subs...
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| Veröffentlicht in: | Materials science & engineering. A, Structural materials : properties, microstructure and processing Structural materials : properties, microstructure and processing, 2004-10, Vol.383 (1), p.158-165 |
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| container_issue | 1 |
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| container_title | Materials science & engineering. A, Structural materials : properties, microstructure and processing |
| container_volume | 383 |
| creator | Cui, Chengsong Fritsching, Udo Schulz, Alwin Bauckhage, Klaus Mayr, Peter |
| description | In an effort to minimize the distortion of bearing steel rings during the production process, 100Cr6 steel billets are spray formed with a unique cooling control system to control the cooling and solidification behavior of the deposits. Effects of heating around the deposits, gas cooling at the substrate bottom and the gas flow over the deposits are investigated both by numerical simulation and experiment. Porosity profiles and microstructures of spray formed bearing steel are examined and evaluated. The investigation results show that the thermal boundary conditions of the deposits play important roles on the cooling and solidification behavior of the deposits, especially at the deposit periphery. Porosity in the 100Cr6 bearing steel deposit can be reduced significantly with the special cooling control system. |
| doi_str_mv | 10.1016/j.msea.2004.02.058 |
| format | Article |
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Effects of heating around the deposits, gas cooling at the substrate bottom and the gas flow over the deposits are investigated both by numerical simulation and experiment. Porosity profiles and microstructures of spray formed bearing steel are examined and evaluated. The investigation results show that the thermal boundary conditions of the deposits play important roles on the cooling and solidification behavior of the deposits, especially at the deposit periphery. Porosity in the 100Cr6 bearing steel deposit can be reduced significantly with the special cooling control system.</description><identifier>ISSN: 0921-5093</identifier><identifier>EISSN: 1873-4936</identifier><identifier>DOI: 10.1016/j.msea.2004.02.058</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Applied sciences ; Cooling strategies ; Cross-disciplinary physics: materials science; rheology ; Exact sciences and technology ; Foundry engineering ; Materials science ; Metals. 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A, Structural materials : properties, microstructure and processing</title><description>In an effort to minimize the distortion of bearing steel rings during the production process, 100Cr6 steel billets are spray formed with a unique cooling control system to control the cooling and solidification behavior of the deposits. Effects of heating around the deposits, gas cooling at the substrate bottom and the gas flow over the deposits are investigated both by numerical simulation and experiment. Porosity profiles and microstructures of spray formed bearing steel are examined and evaluated. The investigation results show that the thermal boundary conditions of the deposits play important roles on the cooling and solidification behavior of the deposits, especially at the deposit periphery. Porosity in the 100Cr6 bearing steel deposit can be reduced significantly with the special cooling control system.</description><subject>Applied sciences</subject><subject>Cooling strategies</subject><subject>Cross-disciplinary physics: materials science; rheology</subject><subject>Exact sciences and technology</subject><subject>Foundry engineering</subject><subject>Materials science</subject><subject>Metals. Metallurgy</subject><subject>Modeling</subject><subject>Other casting methods. Solidification</subject><subject>Phase diagrams and microstructures developed by solidification and solid-solid phase transformations</subject><subject>Physics</subject><subject>Powder metallurgy. 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Metallurgy</topic><topic>Modeling</topic><topic>Other casting methods. Solidification</topic><topic>Phase diagrams and microstructures developed by solidification and solid-solid phase transformations</topic><topic>Physics</topic><topic>Powder metallurgy. 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A, Structural materials : properties, microstructure and processing</jtitle><date>2004-10-10</date><risdate>2004</risdate><volume>383</volume><issue>1</issue><spage>158</spage><epage>165</epage><pages>158-165</pages><issn>0921-5093</issn><eissn>1873-4936</eissn><abstract>In an effort to minimize the distortion of bearing steel rings during the production process, 100Cr6 steel billets are spray formed with a unique cooling control system to control the cooling and solidification behavior of the deposits. Effects of heating around the deposits, gas cooling at the substrate bottom and the gas flow over the deposits are investigated both by numerical simulation and experiment. Porosity profiles and microstructures of spray formed bearing steel are examined and evaluated. The investigation results show that the thermal boundary conditions of the deposits play important roles on the cooling and solidification behavior of the deposits, especially at the deposit periphery. 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| ispartof | Materials science & engineering. A, Structural materials : properties, microstructure and processing, 2004-10, Vol.383 (1), p.158-165 |
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| source | Elsevier ScienceDirect Journals |
| subjects | Applied sciences Cooling strategies Cross-disciplinary physics: materials science rheology Exact sciences and technology Foundry engineering Materials science Metals. Metallurgy Modeling Other casting methods. Solidification Phase diagrams and microstructures developed by solidification and solid-solid phase transformations Physics Powder metallurgy. Composite materials Process development Production techniques Solidification Spray forming Technology |
| title | Control of cooling during spray forming of bearing steel billets |
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