Why pearlite shows different colours at 500 magnification?

13 December 2019 1 9K Report

In eutectoid rail steel , Mostly at 500 magnification it shows dark brown , yellowish or off white appearance, why it appears like that because in mild steel it appears in black color

Raghu Shant

Pearlite is seen with different colors in bright field illumination due its orientation of individual pearlite colony. At Higher magnification when when light reflects back into eyepiece in optical microscope color is seen different. In actual terms pearlite has no color.

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