High Temperature Oxidation Behavior Of High Speed Steel For Roll In Water Vapor
14TH CONGRESS OF INTERNATIONAL FEDERATION FOR HEAT TREATMENT AND SURFACE ENGINEERING, VOLS 1 and 2, PROCEEDINGS(2004)
Abstract
The oxidation behavior of high speed steel (HSS) was researched by high temperature thermo balance at 500 to 800 degrees C in water vapor. The morphology was observed by scanning electron microscope, the microstructure of oxide scale was analyzed by energy dispersive spectrometer and X-ray diffraction spectrum. The results indicate that the mass gain of HSS increases with oxidation temperature rising, the effect of oxidation temperature on the morphology is obvious, water vapor temperature only affects mass gain and affects hardly morphology of oxide scale at the same oxidation temperature. The relevant oxidation mechanisms are also discussed.
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Key words
high speed steel, high temperature oxidation, isothermal oxidation, mass gain, carbide
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