Crystal Structures Ferrite. Ferrite (α), is the crystal arrangement for pure iron. This form exists as part of the structure in most steels and can usefully absorb carbides of iron and other metals by ...

Single-Crystal Turbine Blades Earn ASME Milestone Status. ... High-temperature austenite, an FCC structure, has enough space for carbon atoms to squeeze in between the iron atoms.

The method of obtaining single-crystal samples requires application of large shear stress to the B2 austenite to create the martensite: we have shown that the 98° structure would form under such ...

The transition that determines the micro-structure of the alloy is a solid-state process: Austenite <-> Ferrite + Cementite Austenite is stable above 727 C and is an interstitial solid solution of ...

The two main types are austenitic and ferritic, ... At room temperature, the thermodynamically stable crystal structure of 304 stainless steel is bcc; nevertheless, ...

The microstructure of martensite in austenite is shown in the micrograph. The black grains are the martensitic phase and the white the non-transformed austenite. The transformation does not involve ...