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sir bhadeshia you are a great metallurgist'please upload a comprehensive lecture about why the different colours display during welding of different metals or alloys ,how they effect the weld properties and process of welding.
Click the link below. Reason for decolourization of the weld puddle is well explained. ua-cam.com/video/eLw_RBF4WQ8/v-deo.html
It is very well explained.
at 12:30 , what's the microstructure of dark/gray constituent?
These are the regions of austenite left untransformed at the temperature where acicular ferrite forms, and may decompose to martensite on cooling.
Black deve ser ferrita
O branco é de fato, ferrite
sir bhadeshia you are a great metallurgist'please upload a comprehensive lecture about
why the different colours display during welding of different metals or alloys ,how they effect the weld properties and process of welding.
Click the link below. Reason for decolourization of the weld puddle is well explained. ua-cam.com/video/eLw_RBF4WQ8/v-deo.html
It is very well explained.
at 12:30 , what's the microstructure of dark/gray constituent?
These are the regions of austenite left untransformed at the temperature where acicular ferrite forms, and may decompose to martensite on cooling.
Black deve ser ferrita
O branco é de fato, ferrite