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dual-phase steels

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Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ahsssta.t53700095
EISBN: 978-1-62708-279-2
...Abstract Abstract Dual-phase (DP) steels have the widest usage in automotive industry because of their excellent combination of strength and ductility. This chapter provides an overview of the composition, microstructure, processing, deformation mechanism, mechanical properties, formability...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240371
EISBN: 978-1-62708-251-8
.... They are low-alloy structural steels, SAE/AISI alloy steels, high-fracture-toughness steels, maraging steels, austenitic manganese steels, high-strength low-alloy steels, dual-phase steels, and transformation-induced plasticity steels. alloying elements mechanical properties low-alloy structural steels...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.spsp2.t54410233
EISBN: 978-1-62708-265-5
... This chapter discusses various alloying and processing approaches to increase the strength of low-carbon steels. It describes hot-rolled low-carbon steels, cold-rolled and annealed low-carbon steels, interstitial-free or ultra-low carbon steels, high-strength, low-alloy (HSLA) steels, dual-phase...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.tb.msisep.t59220445
EISBN: 978-1-62708-259-4
...Abstract Abstract This chapter discusses the properties and behaviors of advanced high-strength steels used in the automotive industry, including dual- and complex-phase steels, transformation-induced plasticity steels, ferritic-bainitic steels, and quenched and partitioned steels. It explains...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500107
EISBN: 978-1-62708-317-1
...Abstract Abstract This chapter discusses the forming characteristics of dual-phase (DP) and transformation-induced plasticity (TRIP) steels. It begins with a review of the mechanical behavior of advanced high-strength steels (AHSS) and how they respond to stress-strain conditions associated...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ahsssta.t53700199
EISBN: 978-1-62708-279-2
... ), EDP Sciences , 2009 , p 1007 – 1013 10.1051/dymat/2009141 13.6 Calcagnotto M. , Ponge D. , and Raabe D. , Effect of Grain Refinement to 1 μm on Strength and Toughness of Dual-Phase Steels , Mat. Sci. Eng. A , Vol 527 ( No. 29–30 ), Nov 2010 , p 7832 – 7840 10.1016...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ahsssta.t53700059
EISBN: 978-1-62708-279-2
... As an example, a classification of DP 500/800 refers to dual-phase steel with 500 MPa (73 ksi) minimum yield strength and 800 MPa (116 ksi) minimum ultimate tensile strength. The steel grade designator uses the classification shown in Table 3.1 . High-strength steel (HSS) and advanced high-strength steel...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.mgppis.t60400001
EISBN: 978-1-62708-258-7
... with Formability Bake-Hardenable, Low-Alloy Steels Dual-Phase, Low-Alloy Steels For the corrosion-resistant steels, the system established by the AISI is not based on composition, but on microstructure. Thus, the stainless steels are classified as austenitic, ferritic, austeniticferritic, martensitic...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.mgppis.t60400049
EISBN: 978-1-62708-258-7
... grain boundaries. 4% picral etch. (a) 40× and (b) 100× Another form of decarburization is shown in Fig. 3.29 . In this case, hot-rolled AISI/SAE 1045 steel billets were slow cooled from the austenite phase region over a period of several days to prevent surface cracking and to remove hydrogen...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.tb.ssde.t52310225
EISBN: 978-1-62708-286-0
... on basic 301 developed by Outokumpu and how they stack up against the most competitive carbon steels, dual-phase steels, and TRIP steels ( Ref 1 ). The value of a material as an energy-absorbing structure (i.e., one that enhances crash worthiness) is measured by the energy it can absorb per unit of mass...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.mgppis.t60400023
EISBN: 978-1-62708-258-7
... treatment (as in steels) and solidification (as in cast irons). The chapter describes how the development of the iron-carbon phase diagram, coupled with the understanding of the kinetics of phase transformations through the use of isothermal transformation diagram, were breakthroughs in the advancement...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ahsssta.t53700023
EISBN: 978-1-62708-279-2
.... Figure 2.21 compares the microstructures of various phases of steel grades. Ferrite and martensite have single-phase microstructures. Dual-phase (DP) steel has a two-phase ferrite and martensite, while transformation-induced plasticity (TRIP) steel has a multiphase ferrite, bainite/martensite...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.mgppis.t60400215
EISBN: 978-1-62708-258-7
.... Matrix is lath martensite. Marshall’s reagent. 200× Fig. 8.18 A dual-phase steel showing epitaxial ferrite (new ferrite) at prior austenite grain boundaries. The epitaxial ferrite formed when the steel was heated into the two-phase region. Austenite formed at the grain boundaries, and ferrite...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ems.t53730069
EISBN: 978-1-62708-283-9
... are strengthened by a combination of precipitation of carbonitrides, finer grain sizes, and solid-solution effects. The formability of these steels is somewhat lower than plain carbon steels of the same carbon content, but adequate for most automobile parts. Dual-phase steels, which are quenched from the ferrite...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.spsp2.t54410213
EISBN: 978-1-62708-265-5
... , 1981 11.7 Matlock D.K. , Zia-Ebrahimi F. , and Krauss G. , Structure, Properties, and Strain Hardening of Dual-Phase Steels , Deformation, Processing, and Structure , Krauss G. , Ed., American Society for Metals , 1984 11.8 Garrison W.R. Jr. , and Moody...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.tb.msisep.t59220069
EISBN: 978-1-62708-259-4
... Steel Containing 0.15 wt% C , Metall. Trans. A , Vol 12 , ( No. 3 ) 1981 , p 443 – 50 10.1007/BF02648541 9. Lepera F.S. , Improved Etching Technique for the Determination of Percent Martensite in High-Strength Dual-Phase Steels , Metallography , Vol 12 , 1979 , p 263 – 68 10.1016...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170193
EISBN: 978-1-62708-297-6
... processing significantly. For example, niobium or niobium-titanium HSLA steels develop high r (drawability) values in interstitial-free steels ( Fig. 4 ). Dual-phase steels, which feature hard martensite particles in a soft ductile ferrite matrix are also highly formable ( Fig. 4 ). The low-carbon content...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1984
DOI: 10.31399/asm.tb.mpp.t67850165
EISBN: 978-1-62708-260-0
... in a resulfurized aluminum-killed alloy steel. Top left, as-polished; top right, ZnSe applied to as-polished surface; bottom left, preetched with nital, then tint-etched with Beraha’s lead sulfide etch; bottom right, etched with aqueous 1.5% CrO 3 for 2 min, 300×. Figure 3-42 Microstructure of dual-phase...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.lmcs.t66560039
EISBN: 978-1-62708-291-4
... , McGraw-Hill , New York , 1984 , p. 637 . 13. Lawson R.D. , Matlock D.K. , and Krauss G. , Fundamentals of Dual-Phase Steels , Bramfitt B.L. and Kot R.A. , Ed., TMS-AIME Warrendale, PA , 1981 . 14. Krauss G. , Steels. Heat Treatment and Processing...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2015
DOI: 10.31399/asm.tb.piht2.t55050191
EISBN: 978-1-62708-311-9
...Incremental (scan) versus static contour gear hardening by dual-frequency induction heating: Sample gear development data Table 10.1 Incremental (scan) versus static contour gear hardening by dual-frequency induction heating: Sample gear development data Characteristic Data Gear...