| abstract |
The Fe-base sintered alloy comprises (in wt.%) 3-15 Ni, 3-15 Mo, 0.5-5 Cr, 0.5-2 C and balance Fe, in which Ni, Mo and Cr are dissolved in an Fe-based matrix, and Mo and Cr are dispersed as fine carbide, or intermetallic cpd. in the matrix, and 3-20 wt.% hard phase particles contg. (in wt.%) 50-57 Cr, 18-22 Mo, 8-12 Co, 0.1-1.4% C, 0.8-1.3 Si and balance Fe are uniformly dispersed in the matrix. |