Microstructural Dependence of Work Hardening Behavior in Martensite-Ferrite Microalloyed Steels

被引：4
作者：
Anand, N. [1 ]
Sankaran, S. [1 ]
Madhavan, R. [2 ]
Suwas, Satyam [2 ]
Venugopal, P. [1 ]
机构：
[1] Indian Inst Technol, Dept Met & Mat Engn, Madras 600036, Tamil Nadu, India
[2] Indian Inst Sci, Dept Mat Engn, Bangalore 560012, Karnataka, India
来源：
JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE | 2015年 / 24卷 / 01期
关键词：
ferrite-martensite; intercritical annealing; microstructure; work hardening; DUAL-PHASE STEELS; WARM DEFORMATION; PRECIPITATION BEHAVIOR; GRAIN-SIZE; CARBON; NB; TI; TRANSFORMATION; TEMPERATURE; EVOLUTION;
D O I：
10.1007/s11665-014-1270-7
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Martensite-ferrite microstructures were produced in four microalloyed steels A (Fe-0.44C-Cr-V), B (Fe-0.26C-Cr-V), C (Fe-0.34C-Cr-Ti-V), and D (Fe-0.23C-Cr-V) by intercritical annealing. SEM analysis reveals that steels A and C contained higher martensite fraction and finer ferrite when compared to steels B and D which contained coarser ferrite grains and lower martensite fraction. A network of martensite phase surrounding the ferrite grains was found in all the steels. Crystallographic texture was very weak in these steels as indicated by EBSD analysis. The steels contained negligible volume fraction of retained austenite (approx. 3-6%). TEM analysis revealed the presence of twinned and lath martensite in these steels along with ferrite. Precipitates (carbides and nitrides) of Ti and V of various shapes with few nanometers size were found, particularly in the microstructures of steel B. Work hardening behavior of these steels at ambient temperature was evaluated through modified Jaoul-Crussard analysis, and it was characterized by two stages due to presence of martensite and ferrite phases in their microstructure. Steel A displayed large work hardening among other steel compositions. Work hardening behavior of the steels at a warm working temperature of 540 A degrees C was characterized by a single stage due to the decomposition of martensite into ferrite and carbides at this temperature as indicated by SEM images of the steels after warm deformation.
引用
收藏
页码：517 / 528
页数：12
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共 47 条
  • [1] Transformation and Deformation Texture Study in Friction Stir Processed API X80 Pipeline Steel
    Abbasi, Majid
    Nelson, Tracy W.
    Sorensen, Carl D.
    [J]. METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE, 2012, 43A (13): : 4940 - 4946
  • [2] An approach to prior austenite reconstruction
    Abbasi, Majid
    Nelson, Tracy W.
    Sorensen, Carl D.
    Wei, Lingyun
    [J]. MATERIALS CHARACTERIZATION, 2012, 66 : 1 - 8
  • [3] Thermomechanical processing in the intercritical region and tensile properties of dual-phase steel
    Ahmad, E.
    Manzoor, T.
    Hussain, N.
    [J]. MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2009, 508 (1-2): : 259 - 265
  • [4] Effect of ferrite volume fraction on work hardening behavior of high bainite dual phase (DP) steels
    Akbarpour, Mohammad Reza
    Ekrami, A.
    [J]. MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2008, 477 (1-2): : 306 - 310
  • [5] On the determining role of microstructure of niobium-microalloyed steels with differences in impact toughness
    Anumolua, R.
    Kumar, B. Ravi
    Misra, R. D. K.
    Mannering, T.
    Panda, D.
    Jansto, S. G.
    [J]. MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2008, 491 (1-2): : 55 - 61
  • [6] Investigation on the effects of hot forging parameters on the austenite grain size of vanadium microalloyed forging steel (30MSV6)
    Babakhani, A.
    Ziaei, S. M. R.
    Kiani-Rashid, A. R.
    [J]. JOURNAL OF ALLOYS AND COMPOUNDS, 2010, 490 (1-2) : 572 - 575
  • [7] Processes, microstructure and properties of vanadium microalloyed steels
    Baker, T. N.
    [J]. MATERIALS SCIENCE AND TECHNOLOGY, 2009, 25 (09) : 1083 - 1107
  • [8] Asymmetric and symmetric rolling of magnesium: Evolution of microstructure, texture and mechanical properties
    Biswas, Somjeet
    Kim, Dong-Ik
    Suwas, Satyam
    [J]. MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2012, 550 : 19 - 30
  • [9] Ultrafine grained ferrite/martensite dual phase steel fabricated by large strain warm deformation and subsequent intercritical annealing
    Calcagnotto, Marion
    Ponge, Dirk
    Raabe, Dierk
    [J]. ISIJ INTERNATIONAL, 2008, 48 (08) : 1096 - 1101
  • [10] On the Effect of Manganese on Grain Size Stability and Hardenability in Ultrafine-Grained Ferrite/Martensite Dual-Phase Steels
    Calcagnotto, Marion
    Ponge, Dirk
    Raabe, Dierk
    [J]. METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE, 2012, 43A (01): : 37 - 46
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