Research Article

Development of New PM Iron-Based Materials for Self-Lubricating Bearings

Figure 3

Porosity of the alloys 1 (a), 2 (b), and 3 (c) sintered at 900°C for 50 minutes.
248037.fig.003a
(a)
248037.fig.003b
(b)
248037.fig.003c
(c)