Calorized water-cooled copper components for metallurgical vessels
Tuyeres, Tuyere Coolers, Stack Cooling
Plates, Cigar Coolers, and Staves
Foundry Cupola Furnace
Electric Arc Furnace (EAF)
Burner Tips, Burner Blocks, and
Basic Oxygen Furnace (BOF)
Oxygen Lance Tips
Troughs, Panels, and Plates
by C. Copeland and S. Street, SeverstalDearborn, chosen AIST 2012 Gold Reliability Achievement Award winner, and presented at AISTech 2013, Pittsburgh, PA USA, May 2013
by T. Shellhammer, TVR Technologies LLC and R. Walsh, Alabama Copper & Bronze, presented at AISTech 2010, Pittsburgh, PA USA, May 2010
by T. Shellhammer, TVR Technologies LLC , and A. Park, Quantum Ceramalloy, presented at Conference of Metallurgists, Toronto, Canada, August 2015
Calorized Copper Microstructure
Microstructure and properties
Calorized Copper Microstructure & Properties
Top Layer Aluminia
Layer 2 Intermetallic
Layer 3 Cu/Al diffused layer
VH = Vickers Hardness
Photograph of a calorized sample as received and a mounted and polished cross-section for metallurgical examination. Note uniform thickness of the calorized layer in the cross-sectioned sample.
Molten Iron Splash Testing Calorized Sample
Poured on Copper Blocks 6” x 6” x 1” thick
|Plain Copper||Inconel Coated Copper||Calorized Copper|
|Weight of iron poured||
2 min. 50 sec.
3 min. 30 sec.
14 min. 0 sec.
Results –Calorized EAF Lance Tips and Burner Block