Figure 1 : Optical Micrograph of the sample showing effect of compression on retained austenite (Light areas) and martensite (Dark areas) morphology [magnification-100X].

From: Stability of retained austenite in high carbon steel under compressive stress: an investigation from macro to nano scale

Figure 1

(a) Sample without compression deformation. (b) Sample with compression deformation (2000 MPa).