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Steel Procurement. Steel Procurement. Steel: flame cut Issue: magnetic properties? Thermal process FeO Oxy-fuel cutting Acetylene + oxygen Bring iron to flame temperature Add. Oxygen to oxidize Fe O 2 blows FeO away from cut How much of material is affected by heat? . Flame Cutting. - PowerPoint PPT Presentation

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1 25 November 2013 Holger Witte Brookhaven National Laboratory Advanced Accelerator Group Steel Procurement

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Steel ProcurementHolger WitteBrookhaven National LaboratoryAdvanced Accelerator Group

#25 November 2013Steel ProcurementSteel: flame cutIssue: magnetic properties?Thermal processFeOOxy-fuel cuttingAcetylene + oxygenBring iron to flame temperatureAdd. Oxygen to oxidize FeO2 blows FeO away from cutHow much of material is affected by heat?

#25 November 2013

Flame CuttingWood, W.E. Heat-affected Zone Studies of Thermally Cut Structural Steels. Federal Highway Administration and Oregon Graduate Institute of Science and Technology, 1994.#25 November 2013

Hardness#25 November 2013FEA Simulation

Efficient simulation of oxygen cutting using a composite heat source model. http://dx.doi.org/10.1016/j.ijheatmasstransfer.2012.10.011#25 November 2013

Flame cutting#25 November 2013

Finite Element Simulationk, cp: constantQ: 6.44 x 109 W/m3v: 3 mm/sWorst case? #25 November 2013

Temperature Profile#25 November 2013Flame-cuttingCan affect magnetic propertiesIf carried out correctly: limited effect?Annealing? Monitoring PRYfiducial markers? Summary#25 November 2013

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