Austenite is a solid and, in general, will be polycrystalline. The formation of ferrite and iron carbide will start at the austenite grain boundaries and the final pearlite microstructure will have ...

We have just completed an etching study of iron carbides made in three different ways and of some tungsten carbide (1/32-in. equilateral triangles) single crystals. The iron carbide studies ...

In this tempering process, martensite precipitates Fe 3 C in an a-iron matrix and the micrographs ... elastic strain than martensite and the carbide phase is more dispersed giving a more ductile ...