High temperature oxidation behavior of high speed steel for hot rolls material

LiZhou、FangLiu、ChangshengLiu、DaleSun、LisongYao

2005Acta Scientiarum Naturalium Universitatis SunyatseniEngineering被引 4

摘要

The oxidation characteristics of high speed steel (HSS) were studied at 500 to 800℃. The non-isothermal oxidation and isothermal oxidation (500, 575, 650, 725, 800℃) of HSS were investigated by thermo-gravimetric analysis (TGA). The microstructure, morphology and oxide scale thickness of the isothermal oxidation samples were analyzed by optical microscope (OM), electron probe micro analyzer (EPMA), X-ray diffraction spectrum (XRD) and scanning electron microscope (SEM). The results indicate that the oxidation rate of HSS is very slow at 500 to 650℃, increasing gradually at 650 to 750℃, and drastically at 750 to 800℃, because the phase transformation happens at about 750℃.

引用本文（GB/T 7714）

LiZhou, FangLiu, ChangshengLiu, 等. High temperature oxidation behavior of high speed steel for hot rolls material[J]. Acta Scientiarum Naturalium Universitatis Sunyatseni, 2005.

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