Microstructure and Mechanical Properties of Vacuum Hot Pressed P/M Short Steel Fiber Reinforced Aluminum Matrix Composites

Table 3

Sieve analysis of short steel fibers.

ASTM sieve number	Size (𝜇m)	% retained (30 min)
+16		Nil
−16 +25	1190	2
−25 +60	707	3
−60 +100	250	15
−100 +300	149	35
−300	50	45