I am working in deformation and processing of Fe-Si alloy. I found difficulties in determine Tnr temperature of Fe-Si alloys. Kindly, anyone can help me to find Tnr.
Eventually, if you do not have access to a thermo-mechanical simulator, you can estimate Tnr using mean flow stress data got from hot rolling tests carried out at a laboratory or industrial rolling mill. See, for example,
https://www.jstage.jst.go.jp/article/isijinternational1989/34/11/34_11_917/_pdf
You can determine Tnr temperature through multi-hit deformation test. This test generally carried out using thermo-mechanical simulator. If you do not have that facilities you simply can be estimate the approx Tnr temperature using Boratto equation. Here I have attached few link for your convenience.
https://link.springer.com/article/10.1007%2Fs11595-016-1423-7
https://link.springer.com/content/pdf/10.1361/105994906X150812.pdf
https://pdfs.semanticscholar.org/3064/3b099422c76f458c6435dd04daaca6897f51.pdf
Eventually, if you do not have access to a thermo-mechanical simulator, you can estimate Tnr using mean flow stress data got from hot rolling tests carried out at a laboratory or industrial rolling mill. See, for example,
https://www.jstage.jst.go.jp/article/isijinternational1989/34/11/34_11_917/_pdf
There is a paper looking at the influence of Si on Tnr that you might find useful.
L. JIANG, A. O. HUMPHREYS and J. J. JONAS " Effect of Silicon on the Interaction between Recrystallization and Precipitation in Niobium Microalloyed Steels" ISIJ International, Vol. 44 (2004), No. 2, pp. 381–387
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