Effect of hot‐rolling conditions on the tensile properties of multiphase steels exhibiting a TRIP effect (Englisch)
- Neue Suche nach: Godet, Stéphane
- Neue Suche nach: Harlet, Philippe
- Neue Suche nach: Delannay, Francis
- Neue Suche nach: Jacques, Pascal J.
- Neue Suche nach: Godet, Stéphane
- Neue Suche nach: Harlet, Philippe
- Neue Suche nach: Delannay, Francis
- Neue Suche nach: Jacques, Pascal J.
In:
Steel Research
;
73
, 6-7
;
280-286
;
2002
- Aufsatz (Zeitschrift) / Elektronische Ressource
-
Titel:Effect of hot‐rolling conditions on the tensile properties of multiphase steels exhibiting a TRIP effect
-
Beteiligte:Godet, Stéphane ( Autor:in ) / Harlet, Philippe ( Autor:in ) / Delannay, Francis ( Autor:in ) / Jacques, Pascal J. ( Autor:in )
-
Erschienen in:Steel Research ; 73, 6-7 ; 280-286
-
Verlag:
-
Erscheinungsdatum:01.06.2002
-
Format / Umfang:7 pages
-
ISSN:
-
DOI:
-
Medientyp:Aufsatz (Zeitschrift)
-
Format:Elektronische Ressource
-
Sprache:Englisch
-
Datenquelle:
Inhaltsverzeichnis – Band 73, Ausgabe 6-7
Zeige alle Jahrgänge und Ausgaben
Die Inhaltsverzeichnisse werden automatisch erzeugt und basieren auf den im Index des TIB-Portals verfügbaren Einzelnachweisen der enthaltenen Beiträge. Die Anzeige der Inhaltsverzeichnisse kann daher unvollständig oder lückenhaft sein.
- 211
-
Materials technology - Metallurgy of continuously annealed high strength TRIP steel sheet - Investigation of the effects of heat-treatment conditions on mechanical properties. Laboratory investigation. Effects of annealing conditions, cooling conditions from intercritical temperature to austempering temperature and austempering conditions. Optimum annealing temperature. Relation between mechanical properties and annealing time. Quenching rate and austempering conditions. Mill trials. Stability of the production. Mechanical properties and austempering start temperature. Stability of retained austenite.Matsuda, Hiroshi et al. | 2002
- 211
-
Metallurgy of continuously annealed high strength TRIP steel sheetMatsuda, Hiroshi / Kitano, Fusato / Hasegawa, Kohei / Urabe, Toshiaki / Hosoya, Yoshihiro et al. | 2002
- 218
-
Detailed study of the transformation mechanisms in ferrous TRIP aided steelsIung, Thierry / Drillet, Josée / Couturier, Audrey / Olier, Christopher et al. | 2002
- 218
-
Materials technology - Detailed study of the transformation mechanisms in ferrous TRIP aided steels - Study of austenite stabilisation through bainitic transformation during thermal treatment and its transformation into martensite during mechanical testing. Characterisation methods. Observation by means of transmission electron microscopy (TEM). Analysis of morphological features of the microstructure and composition of cementite particles in the steels. X-ray diffraction measurements. Kinetics of bainitic transformation. Cementite precipitation. Stability of retained austenite during mechanical testing.Iung, Thierry et al. | 2002
- 225
-
Theory, experiments and numerical modelling of phase transformations with emphasis on TRIPAntretter, Thomas / Fischer, Franz Dieter / Tanaka, Kikuaki / Cailletaud, Georges et al. | 2002
- 225
-
Materials technology - Theory, experiments and numerical modelling of phase transformations with emphasis on TRIP - Overview of the co-operative efforts aiming at the correct characterisation of the thermomechanical behaviour of materials during the process of a phase change. Physical conditions for the onset of transformation processes. Chemical driving forces in a multi-component system. Formulation of transformation criteria. Description of the mechanism governing the selection of a particular martensitic variant of the product phase out of a discrete number of possible variants. Experimental program investigating the thermomechanical behaviour of a maraging steel with special properties in the transformation regime. TRIP strain evolution during transformation. Material law for non-proportional loading paths. Validation of experimental findings by means of a numerical algorithm.Antretter, Thomas et al. | 2002
- 236
-
In situ observations on the austenite stability in TRIP‐steel during tensile testingKruijver, Suzelotte / Zhao, Lie / Sietsma, Jilt / Offerman, Erik / van Dijk, Niels / Margulies, Lawrence / Lauridsen, Erik / Grigull, Stephan / Poulsen, Henning / van der Zwaag, Sybrand et al. | 2002
- 236
-
Materials technology - In situ observations on the austenite stability in TRIP-steel during tensile testing - In-situ deformation tests on a steel displaying the transformation-induced plasticity (TRIP) effect. Monitoring the phase transformation by means of X-ray diffraction. Analysis of austenite (200) reflections. Evaluation of preferential orientations for the transformation to martensite. Application of the Ludwigson and Burger model to gain information about the stress dependence of the deformation induced martensite formation.Kruijver, Suzelotte et al. | 2002
- 242
-
Materials technology - Towards an austenite decomposition model for TRIP steels - Review of the current status of developing a fundamental model for describing the overall austenite decomposition kinetics to ferrite and carbide-free bainite in low carbon TRIP steels, alloying elements Mn and Si. Model for ferrite growth. Model validation. Possibility of extending the model to include bainite formation.Fazeli, Fateh et al. | 2002
- 242
-
Towards an austenite decomposition model for TRIP steelsFazeli, Fateh / Militzer, Matthias et al. | 2002
- 249
-
Low‐alloy TRIP steels: a correlation between mechanical properties and the retained austenite stabilityVasilakos, Apostolos N. / Ohlert, Joachim / Giasla, Katerina / Haidemenopoulos, Gregory N. / Bleck, Wolfgang et al. | 2002
- 249
-
Materials technology - Low-alloy TRIP steels: A correlation between mechanical properties and the retained austenite stability - Correlation of mechanical properties with the retained austenite stability. Investigation of two low-alloy TRIP steels, one of them exhibiting a typical composition, the other being alloyed with aluminum. Influence of the heat treatment on the mechanical properties, amount and stability of the retained austenite.Vasilakos, Apostolos N. et al. | 2002
- 253
-
Materials technology - Development of high strength low alloy TRIP-aided steels with annealed martensite matrix - Formable high-strength low-alloy TRIP-aided sheet steels with annealed martensite matrix or TRIP-aided annealed martensitic steel for automotive applications. Amount and shape of retained austenite. Comparison of the stability of austenite obtained after strain-induced transformation and present in conventional TRIP-aided dual-phase steel with polygonal ferrite matrix. Elongation and reduction of area. Stretch-flangeability and bendability.Sugimoto, Koh-ichi et al. | 2002
- 253
-
Development of high strength low alloy TRIP‐aided steels with annealed martensite matrixSugimoto, Koh‐ichi / Kikuchi, Ryo / Hashimoto, Shun‐ichi et al. | 2002
- 259
-
Influence of silicon, aluminium, phosphorus and copper on the phase transformations of low alloyed TRIP‐steelsTraint, Sandra / Pichler, Andreas / Hauzenberger, Karl / Stiaszny, Peter / Werner, Ewald et al. | 2002
- 259
-
Materials technology - Influence of silicon, aluminium, phosphorus and copper on the phase transformations of low alloyed TRIP-steels - Prevention of carbide precipitation during annealing of low-alloyed TRIP-steels. Austenite stabilization by carbon. Substitution of silicon by other alloying elements, such as aluminium, copper and-or phosphorus. Influence of reduced silicon contents in combination with alloying elements being capable of substituting silicon completely or partially on the phase transformations occurring during heat treatment. Dilatometric measurements on cold rolled material. Influence of the cooling rate after the intercritical annealing on the transformation behaviour of the austenite upon cooling and isothermal holding in the bainitic range. Investigation of microstructure. Measurement of the content of retained austenite.Traint, Sandra et al. | 2002
- 267
-
Influence of Al, Si and P on the kinetics of intercritical annealing of TRIP‐aided steels: thermodynamical prediction and experimental verificationMahieu, Jan / Van Dooren, Danny / Barbé, Liesbeth / De Cooman, Bruno C. et al. | 2002
- 267
-
Materials technology - Influence of Al, Si and P on the kinetics of intercritical annealing of TRIP-aided steels: Thermodynamical prediction and experimental verification - Improvement of the processability of typical high CMnSi TRIP steels with special regard to galvanizing by alloying with other elements. Alloying with Al and P. Influence of these alloying elements on the re-austenitization kinetics during annealing. Identification of the differences in the influence of Si, Al and P on intercritical annealing of TRIP-aided steels. Equilibrium thermodynamics calculations and diffusion-controlled transformation simulations. Prediction of transformation behaviour. Dilatometric experiments. Verification of the results.Mahieu, Jan et al. | 2002
- 274
-
Materials technology - Effect of alloying elements on the microstructure-property relationship in thermomechanically processed C-Mn-Si TRIP steels - Study of the effect of additions of Nb, Al and Mo to Fe-C-Mn-Si TRIP steel on the final microstructure and mechanical properties after simulated thermomechanical processing. Laboratory simulations. Optical microscopy and image analysis, heat tinting technique and X-ray diffraction measurements. Tensile test. Volume fraction of retained austenite. Development of a comprehensive understanding of the structural aspect of the bainite transformation in these types of TRIP steels. Final microstructure. Combination of ultimate tensile strength and total elongation. Stability of retained austenite.Timokhina, Ilana B. et al. | 2002
- 274
-
Effect of alloying elements on the microstructure‐property relationship in thermomechanically processed C‐Mn‐Si TRIP steelsTimokhina, Ilana B. / Hodgson, Peter D. / Pereloma, Elena V. et al. | 2002
- 280
-
Effect of hot‐rolling conditions on the tensile properties of multiphase steels exhibiting a TRIP effectGodet, Stéphane / Harlet, Philippe / Delannay, Francis / Jacques, Pascal J. et al. | 2002
- 280
-
Materials technology - Effect of hot-rolling conditions on the tensile properties of multiphase steels exhibiting a TRIP effect - Study of TRIP-assisted multiphase steels in cold-rolled and annealed state. Effect of hot deformation of austenite on the tensile properties. Low-carbon steel with a microstructure consisting of an intercritical ferritic matrix, bainite and retained austenite. Medium-carbon steel consisting of bainite and retained austenite. Prior hot deformation of austenite and work-hardening.Godet, Stéphane et al. | 2002
- 287
-
Materials technology - Forming response of retained austenite in a C-Si-Mn high strength TRIP sheet steel - Information on TRIP steels with respect to forming response of retained austenite in complex strain states. Study of austenite transformation behaviour in different strain paths by determining the amount of retained austenite before and after forming. Forming experiments. Uniaxial tension and balanced biaxial stretching. Relationship between the volume fraction of austenite, strain and forming modi. Ferrite texture. Transformation behaviour of austenite in accordance with different strain conditions.Streicher, Amy M. et al. | 2002
- 287
-
Forming response of retained austenite in a C‐Si‐Mn high strength TRIP sheet steelStreicher, Amy M. / Speer, John G. / Matlock, David K. et al. | 2002
- 294
-
Materials technology - Development and characterization of high strength impact resistant Fe-Mn-(Al, Si) TRIP-TWIP steels - Ductility and strengthening behaviour of iron manganese steels with Mn mass contents of 15 to 30 %. Austenite stability and stacking fault energy. Impact on the microstructure to be developed under certain stress state or during severe plastic deformation. Medium Mn mass contents and martensitic g-e-a phase transformation. Dislocation glide. Mn mass content, elongation and twinning formation. Influence of alloying elements Al and Si on mechanical properties of iron-manganese alloys. Dynamic tensile and compression tests with varying temperature and strain rate. Microstructure under near crash conditions. Deformation induced twinning. Determination of deep drawing and stretch forming behaviour.Brüx, Udo et al. | 2002
- 294
-
Development and characterization of high strength impact resistant Fe‐Mn‐(Al‐, Si) TRIP/TWIP steelsBrüx, Udo / Frommeyer, Georg / Grässel, Oliver / Meyer, Lothar Werner / Weise, Andrea et al. | 2002
- 299
-
Constitutive model of the TWIP effect in a polycrystalline high manganese content austenitic steelAllain, Sébastien / Chateau, Jean‐Philippe / Bouaziz, Olivier et al. | 2002
- 299
-
Materials technology - Constitutive model of the TWIP effect in a polycrystalline high manganese content austenitic steel - TEM study of a steel with a high manganese content. Mechanical twining (TWIP effect) during the deformation at room temperature. Microtwins, deformation, dislocations, effective grain size. Deduction of a constitutive model from a model proposed by Bouaziz and Guelton. Integration of microtwin organisation. Quantification of twinning. Nucleation law for the microtwins. Flow stress deduction from the dislocation density. Mean free path, grain and twin boundaries, forest dislocations. Calculation of strain. Model application.Allain, Sébastien et al. | 2002
- 303
-
Materials technology - Properties and application of TRIP-steel in sheet metal forming - Low alloyed and high alloyed TRIP steels to be applied in sheet forming processes. Forming limits in deep drawing processes Young's modulus, pre-strain. Component properties of deep drawn parts. Testing of different lubricant types as regards forming conditions.Doege, Eckart et al. | 2002
- 303
-
Properties and application of TRIP‐steel in sheet metal formingDoege, Eckart / Kulp, Steffen / Sunderkötter, Christina et al. | 2002
- 309
-
Influence of constant and variable restraining force on springback of TRIP700 and stainless steel gradesGreisert, Carsten / Wesemannm, Jürgen et al. | 2002
- 309
-
Materials technology - Influence of constant and variable restraining force on springback of TRIP700 and stainless steel grades - Strength of newly developed high strength steels like dual phase and transformation induced plasticity grades as well as austenitic grades like AISI 304 and AISI 301. Springback due to the multiphase microstructure and the austenite martensite transformation during forming. Influence of different process parameters of six high strength steels on springback after stamping. Material properties. Uniaxial tensile tests. Mdified Duncan Shabel test. Investigation of different process parameters.Greisert, Carsten et al. | 2002
- 314
-
Improvement of weldability of TRIP steels by use of in‐situ pre‐ and post‐heat treatmentsCretteur, Laurent / Koruk, Ali Ihsan / Tosal‐Martínez, Lucía et al. | 2002
- 314
-
Materials technology - Improvement of weldability of TRIP steels by use of in-situ pre- and post-heat treatments - Low alloy TRIP-aided steels for automotive industry. Carbon equivalent. Weldability. Hardness of the heat affected zone. Spot welding of TRIP steels. Improvement of the resistance of the welds. Selection of the welding cycle parameters. Optimisation of the welding cycle for a cold-rolled TRIP steel with a tensile strength above 700 MPa. Mechanical properties of the welds. Pre- and post-heat treatments.Cretteur, Laurent et al. | 2002
-
Top themes of the next Issues| 2002