MICROSTRUCTURE AND HARDNESS OF TWO …
chromium alloyed hammer mill can be the reason for faster wear of these hammers. Examination of working life of hammer mills and prolongation it more than 30 days can be explored in further work in cooperation with heat plants and etc. 6. REFERENCES [1] Tęcza G., Sobula, S.: Effect of Heat Treatment on Change Microstructure of Cast High-manganese