Grain Boundaries of M23c6 Particles in High Chromium Creep Resistant Steels, Stability and Effect on Creep Rate
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چکیده
D. A. Skobir Balantič, B. Žužek, F. Vodopivec, Institute of Metals and Technology, Ljubljana, Slovenia Specimens of high chromium creep resistant steel were tempered at 800 °C for different times and examined in SEM. After short tempering stringers of cementite particles are formed at ferrite grain boundaries. By longer tempering, the content of chromium and molybdenum increase up to Cr18Fe3Mo2C6 and the number of stringers decreases what gradually increase the creep rate.
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