Examples of 'residual austenite' in a sentence
Meaning of "residual austenite"
residual austenite - Residual austenite refers to the untransformed austenite that remains in a material after a phase transformation process, such as during the cooling of steel
How to use "residual austenite" in a sentence
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residual austenite
This composition has insufficient residual austenite.
This is because the residual austenite causes unevenness of strength.
The microstructure may possibly also include bainite and residual austenite.
High amount of residual austenite decreases the stretch flangability.
Silicon stabilizes the ferrite and stabilizes the residual austenite at room temperature.
No residual austenite observable.
Martensite is obtained by transformation of residual austenite in which ferrite transformation proceeds.
The residual austenite transforms into martensite during bending or tensile processing.
The measured área fraction is used as the volume fraction of the residual austenite.
The presence of residual austenite gives an undeformed sheet high ductility.
A residual structure may be one type or two types of bainite and residual austenite.
Slight residual austenite.
The bainite is effective for increasing the amount of C in residual austenite.
The residual austenite is a structure for greatly improving a balance between strength and ductility.
This element stabilizes the ferrite and the residual austenite at room temperature.
See also
The residual austenite has a necking suppressing effect during bending by significantly improving ductility.
Al is an element required for causing residual austenite in the same way as Si.
The residual austenite level therefore increases from those surface regions toward said central regions.
As a result, an extremely stable residual austenite phase is obtained.
Residual austenite contributes to the improvement of the formability due to the TRIP effect.
Above that temperature, the residual austenite level is higher.
Residual austenite content of hot-rolled sheet.
It is necessary in this case that the quantity of residual austenite be greater than 5 %.
The proportion of residual austenite is measured by RX diffraction.
This condition is necessary so that the structure after cooling contains at least 8 % residual austenite.
Up to 5 % residual austenite in surface percentage can also be tolerated in the microstructure.
Thus, the initial presence of ductile residual austenite is associated with a high deformability.
The residual austenite phase is unstable, and the stretch flangeability is poor.
Preferably, the mean size of the residual austenite islands does not exceed 2 microns.
Like silicon, it has a very low solubility in cementite and it stabilizes the residual austenite.
Therefore, this residual austenite does not adversely affect sag resistance.
Here, the ductility is improved using the transformation induced plasticity of the residual austenite.
In this case, the residual austenite prevents the movement of the dislocations.
Cold-rolled strip steel with mainly ferriticbainitic matrix with dispersed residual austenite islands.
The mean size of the residual austenite islands preferably does not exceed 1 micron.
Remarks, The microstructure is of the ferrite-bainite type and has no residual austenite.
Further, the formation of residual austenite becomes insufficient and the ductility deteriorates.
The TRIP effect is based on the deformation-induced conversion of the residual austenite into martensite.
Film-like residual austenite accordingly typically takes the form of finely distributed lamellae.
The results show that in all cases, the residual austenite level is substantially equal.
In addition, the residual austenite is excessively generated and the delayed fracture resistance is decreased.
Therefore, the volume fraction of the residual austenite is 1 % or more.
In contrast, this residual austenite is effective for improving the resistance and the fatigue resistance.
The total content of martensite and residual austenite is less than 5 %.
Furthermore, the residual austenite is transformed into martensite by deformation-induced transformation in a shot peening step.
Thus, an upper limit of the volume fraction of the residual austenite is 8 %.
For the purpose of obtaining fine residual austenite islands, the following will be chosen,.
Residual austenite rate, A test sheet was chemically polished to ¼ thickness from its surface.
Then, circle-equivalent diameters of residual austenite grains were measured by using an image processing software.
Moreover, in the process of the present invention, 1 % or more residual austenite remains.
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Examples of using Austenite
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It is formed by the transformation of austenite by a nondiffusional mechanism
Austenite is in equilibrium with ferrite and cementite
C carbon content of austenite at the peritectic pe temperature
