Study on Decarburization Mechanism and Law of GCr15 Bearing Steel during Heat Treatment

Figure 4

Optical micrographs of decarburized surface of GCr15 bearing steel at (a) 700°C, (b) 750°C, (c) 800°C, (d), 850°C, (e) 900°C, (f) 950°C, (g) 1000°C, (h) 1050°C, (i) 1100°C, and (j) 1150°C for 40 min.

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