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The influence of post-deformation annealing temperature on the mechanical properties of low-carbon ferritic steel deformed by the DRECE method Cover

The influence of post-deformation annealing temperature on the mechanical properties of low-carbon ferritic steel deformed by the DRECE method

Materials Science-Poland
Volume 39 (2021): Issue 3 (September 2021)
By: Karolina Kowalczyk  
Open Access
|Dec 2021

Figures & Tables

Fig. 1

(A) Comparison of the stress–strain curves of the DRECE-processed low-carbon steel strips; (B) The curve depicting the change in total elongation against annealing temperature. DRECE, dual rolls equal channel extrusion
(A) Comparison of the stress–strain curves of the DRECE-processed low-carbon steel strips; (B) The curve depicting the change in total elongation against annealing temperature. DRECE, dual rolls equal channel extrusion

Fig. 2

STEM photographs of low-carbon steel annealed for 60 min in different temperature variants after seven DRECE passes; deformed sample (A), annealed at 550°C (B), 650°C (C), 650°C (D). DRECE, dual rolls equal channel extrusion; STEM, scanning transmission electron microscopy
STEM photographs of low-carbon steel annealed for 60 min in different temperature variants after seven DRECE passes; deformed sample (A), annealed at 550°C (B), 650°C (C), 650°C (D). DRECE, dual rolls equal channel extrusion; STEM, scanning transmission electron microscopy

Fig. 3

Fracture surfaces of samples after static tensile test: (A) after seven DRECE passes (B) annealed at 650°C. DRECE, dual rolls equal channel extrusion
Fracture surfaces of samples after static tensile test: (A) after seven DRECE passes (B) annealed at 650°C. DRECE, dual rolls equal channel extrusion

Mechanical properties of steel strips after selected passes in the SPD and annealing processes; the results are presented as measurement ± expected error

ConditionUTS, MPaYS, MPaTEL, %UE, %
As received314 ± 6180 ± 447 ± 420 ± 2.0
After 1st DRECE pass393 ± 10385 ± 814 ± 41.2 ± 0.1
After 3rd DRECE pass415 ± 6390 ± 812 ± 31.1 ± 0.1
After 7th DRECE pass495 ± 3487 ± 99 ± 51.1 ± 0.1
After annealing at 450°C479 ± 5462 ± 614 ± 22.0 ± 0.7
After annealing at 500°C470 ± 3459 ± 514 ± 42.4 ± 0.6
After annealing at 550°C459 ± 4448 ± 316 ± 42.8 ± 0.9
After annealing at 600°C451 ± 4428 ± 721 ± 35.1 ± 1.0
After annealing at 650°C436 ± 2415 ± 329 ± 27.5 ± 1.5
After annealing at 700°C340 ± 6188 ± 441 ± 215.7 ± 1.2
DOI: https://doi.org/10.2478/msp-2021-0034 | Journal eISSN: 2083-134X | Journal ISSN: 2083-1331
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Language: English
Page range: 430 - 435
Submitted on: Oct 4, 2021
Accepted on: Nov 27, 2021
Published on: Dec 30, 2021
Published by: Wroclaw University of Science and Technology
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year
Keywords:
severe plastic deformation,
mechanical properties,
low-carbon steel
Related subjects:
Materials sciences,
Materials sciences, other,
Nanomaterials,
Functional and smart materials,
Materials characterization and properties

© 2021 Karolina Kowalczyk, published by Wroclaw University of Science and Technology
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

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