INFLUENCE OF THE TYPE OF IRON POWDER ON THE TENSILE STRENGTH OF Fe – C POWDER MATERIALS ALLOYED WITH COOPER
- 1 Faculty of Mechanical and Precision Engineering, Technical University of Gabrovo, Bulgaria
In the present study the influence of the monitored type iron powder, and the process of sintering in the presence of a liquid phase on the tensile strength of the powder metallurgical samples of the system Fe-C-Cu . Research samples are subjected made of three types of iron powders – ASC 100.29, SC 100.26 and NC 100.24. Thereto is added of 0,2 to 0,8% carbon and 2,5% copper. After sintering the measured density of the samples in the range of 6,20÷7,00g/cm3. Are presented graphics, amending the tensile strength of the samples depending on their density and the concentration of copper and carbon in the iron matrix.