Processing, microstructure adjustments, and mechanical properties of dual phase steels: A review

Kalhor, Alireza; Taheri, Ali; Mirzadeh, Hamed; Uthaisangsuk, Vitoon

doi:10.1080/02670836.2021.1944524

Cited by 19 publications

(10 citation statements)

References 251 publications

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“…Pengujian ini dilakukan untuk mengetahui persebaran butir ferrite yang terdapat pada spesimen dengan variasi media pendingin yang berbeda. [18].…”

Section: Hasil Uji Metalografiunclassified

Pengaruh Media Pendingin Proses Laku Panas Terhadap Persebaran Butir Ferrite dan ketangguhan Mild Steel AISI 1020

Halimi,

M. W. Arif Sektiono,

D. Setiawan

et al. 2024

permadi

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This research aims to determine the toughness properties and microstructure of AISI 1020 steel material which was previously treated by using a variety of cooling media including air cooling, oil cooling and grease cooling. After being cooled by using several cooling media, it was continued with impact and microstructure testing. The results showed that AISI 1020 steel specimens using air cooling media, had the average impact strength value of 19.1 joules/mm, while those using oil cooling media had an average impact strength of 35.2 joules/mm, and those using grease cooling media had an impact strength of 45 joules/mm. From this data, the one with the highest impact strength value was the grease cooling media at 45 joules/mm and the one with the lowest impact strength was the air cooling media, namely 19.1 joules/mm. The results of metallographic observations were obtained when the grease media was used, the distribution of ferrite was reduced and did not have time to form, whereas in steel that was cooled with oil, the distribution of ferrite was almost the same as the untreated material and for air media, the shape of the ferrite structure spread and formed evenly.

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“…Pengujian ini dilakukan untuk mengetahui persebaran butir ferrite yang terdapat pada spesimen dengan variasi media pendingin yang berbeda. [18].…”

Section: Hasil Uji Metalografiunclassified

Pengaruh Media Pendingin Proses Laku Panas Terhadap Persebaran Butir Ferrite dan ketangguhan Mild Steel AISI 1020

Halimi,

M. W. Arif Sektiono,

D. Setiawan

et al. 2024

permadi

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“…Ferrite/martensite dual-phase (DP) steels have been the focus of research and industrial applications over the past decades. DP steels are attractive materials for automotive-related sheet forming applications since they have high ultimate tensile strength, high ductility, high initial strain hardening rates and macroscopically homogenous plastic flow [1,2]. These property enhancements are achieved by ferritic and martensitic constituents.…”

Section: Introductionmentioning

confidence: 99%

Characterisation of damage by means of electrical measurements: Numerical predictions

Güzel,

Kaiser,

Lücker

et al. 2023

Proc Appl Math and Mech

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Understanding damage mechanisms and quantifying damage is important in order to optimise structures and to increase their reliability. To achieve this goal, experimental‐ and simulation‐based techniques are to be combined. Different methods exist for the analysis of damage phenomena such as fracture mechanics, phase field models, cohesive zone formulations and continuum damage modelling. Assuming a typical ‐type damage formulation, the governing equations of continua that account for gradient‐enhanced ductile damage under mechanical and electrical loads are derived. The mechanical and electrical sub‐problems give rise to the local form of the balance equation of linear momentum, the micromorphic balance relation and the continuity equation for the electric charge, respectively. Experimental investigations indicate that changes in electrical conductivity arise due to the evolution of the underlying microstructure, for example, of cracks and dislocations. Therefore, motivated by deformation‐induced property changes, the effective electrical conductivity is assumed to be a function of the damage variable. This eventually allows the prediction of experimentally recorded changes in the electrical resistance due to mechanically‐induced damage processes. Interpreting the resistivity as a fingerprint of the material microstructure, the simulation approach proposed in the present work contributes to the development of non‐destructive electrical‐resistance‐based characterisation methods. To demonstrate the applicability of the proposed framework, different representative simulations are studied.

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“…[29][30][31] Since the TRIP steels are usually processed by high-temperature thermomechanical processing followed by cold rolling and finial TRIP heat treatment, the preceding hot-rolling route [32,33] and cooling from the hot-rolling temperature to the ambient temperature might significantly change the initial microstructure and mechanical properties of steels. [34] Regarding the copper-added TRIP-aided multiphase steels, the effects of thermomechanical processing history on the mechanical properties should be further studied for optimization of mechanical properties. Accordingly, the present work is dedicated to unravel the importance of the processing history and initial microstructure on the microstructure and mechanical properties of Cu-bearing TRIP steel.…”

Section: Introductionmentioning

confidence: 99%

“…[ 29–31 ] Since the TRIP steels are usually processed by high‐temperature thermomechanical processing followed by cold rolling and finial TRIP heat treatment, the preceding hot‐rolling route [ 32,33 ] and cooling from the hot‐rolling temperature to the ambient temperature might significantly change the initial microstructure and mechanical properties of steels. [ 34 ]…”

Section: Introductionmentioning

confidence: 99%

Tailoring the Mechanical Properties of Copper‐Added Transformation‐Induced Plasticity‐Aided Multiphase Steel by Thermomechanical Processing

Deldar,

Mirzadeh,

Habibi Parsa

2023

steel research int.

Self Cite

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The microstructure and mechanical properties of a low‐alloy Cu‐bearing transformation‐induced plasticity (TRIP) steel and their dependence on the processing history were investigated in the present work. The distributions of the retained austenite and bainite were found to be dependent on the initial cold‐rolled microstructure, which can be tailored by the preceding hot rolling route (unidirectional/cross rolling) and the subsequent cooling rate (furnace/air cooling). Mechanical properties and TRIP effect strongly depended on the initial microstructure, where the air cooled sheet showed remarkable mechanical properties; while the cross rolled sheet showed isotropic properties. The addition of copper resulted in an increase in the amount of the retained austenite, enhancement of strength‐ductility balance, and improvement of the hardening behavior of TRIP‐assisted high‐performance steel.This article is protected by copyright. All rights reserved.

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Processing, microstructure adjustments, and mechanical properties of dual phase steels: A review

Cited by 19 publications

References 251 publications

Pengaruh Media Pendingin Proses Laku Panas Terhadap Persebaran Butir Ferrite dan ketangguhan Mild Steel AISI 1020

Pengaruh Media Pendingin Proses Laku Panas Terhadap Persebaran Butir Ferrite dan ketangguhan Mild Steel AISI 1020

Characterisation of damage by means of electrical measurements: Numerical predictions

Tailoring the Mechanical Properties of Copper‐Added Transformation‐Induced Plasticity‐Aided Multiphase Steel by Thermomechanical Processing

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