Figure 5c shows the martensitic structure
in UCHAZ, which its presence is due to the high cooling rate experienced in RSW.
Furthermore, a comparison of the predicted results with the experimental ones  indicated that such a model could be available for representing the characteristics of the low temperature martensitic structure
The quenched base metal specimens presented martensitic structure
, but due to the low carbon they have noted some ferrite sites, as proved in Figure 10(b).
Considerable changes occurred after the hardening step: uniformly-distributed fine precipitates of intermediate phases have formed in the martensitic structure
Nitinol normally exists in an austenitic crystalline phase that transforms to a martensitic structure
on stressing at a constant temperature.
The only finding is that the X-ray diffraction method did not show presence of any martensitic structure
in the chip samples.
As emphasized in the theoretical section, the connection between a single variant of martensite and the parent austenitic phase is provided by a twinned martensitic structure
, which is able to satisfy the compatibility conditions both with the austenite (over the habit plane) and with the single variant.
Extendo-Die hot work die steel, with a fully martensitic structure
, has superior wear resistance and toughness when compared with H-13 tool steel, especially in large sections heavier than 3[inches] to 4[inches].
Considerable changes occurred after the hardening step: uniformlydistributed fine precipitates of intermediate phases have formed in the martensitic structure
Tempering of the martensitic structure
at approximately 620 deg C leads to the reformation of the finely dispersed austenitic structure.
When these materials are heated the martensitic structure
is changed into austenitic structure.
Microstructural examination of the failed sleeve revealed a coarse tempered martensitic structure
. Prior austenitic grain size was approximately ASTM 1.