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transformation products

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ahsssta.t53700115
EISBN: 978-1-62708-279-2
... Abstract Transformation-induced plasticity (TRIP) steels are characterized by their excellent strength and high ductility, which allow the production of more complicated parts for lightweight automotive applications. This chapter provides an overview of the compositions, microstructures...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.spsp2.t54410197
EISBN: 978-1-62708-265-5
... of martensite that takes place on cooling from the M s temperature to approximately 204 °C (400 °F) The prevalence of bainite as a transformation product The extraordinary variety of microstructures encountered The unexpected occurrence of ferrite in a high-carbon steel such as AISI 52100...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.lmcs.t66560221
EISBN: 978-1-62708-291-4
... velocity of transformation varies markedly with temperature, becoming vanishingly small above a critical temperature (the A 1 temperature); and the compositions of the products are different from that of the parent phase. After an incubation period, a colony of pearlite is nucleated—usually at an...
Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.t59310055
EISBN: 978-1-62708-326-3
... stresses include: Thermal expansion or contraction of a homogeneous material in a temperature gradient field Different thermal expansion coefficients of the various phases in a multiphase material Density changes due to phase transformations in the metal Growth stresses of reaction products...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480075
EISBN: 978-1-62708-318-8
... properties can be developed in titanium alloys. In this chapter, the various transformation products that result from heat treatment of titanium are discussed. The practical uses of such transformations in commercial heat treat practice are also presented. References 4.1 Murray...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.lmcs.t66560165
EISBN: 978-1-62708-291-4
... contributes to the production of spheroidal transformation products and why secondary graphitization sometimes occurs. cementite graphitization pearlite plastic deformation spheroidization A spheroidized structure , which consists of approximately spherical particles of cementite in a matrix...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060175
EISBN: 978-1-62708-261-7
... Abstract This chapter describes the classification of steels and the various compositional categories of commercial steel products. It explains how different alloying elements affect the properties of carbon and low-alloys steels and discusses strength, toughness, and corrosion resistance and...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.ex2.t69980195
EISBN: 978-1-62708-342-3
... Abstract Compared with other deformation processes used to produce semifinished products, the hot-working extrusion process has the advantage of applying pure compressive forces in all three force directions, enhancing workability. The available variations in the extrusion process enable a wide...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.ex2.t69980009
EISBN: 978-1-62708-342-3
... Abstract The hot-working process extrusion is used to produce semifinished products in the form of bar, strip, and solid sections, as well as tubes and hollow sections. The first part of this chapter describes the composition, properties, and applications of tin and lead extruded products with...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.spsp2.t54410099
EISBN: 978-1-62708-265-5
... Bainite is an intermediate temperature transformation product of austenite. This chapter describes the conditions under which bainite is likely to form. It discusses the effects of alloying on bainitic transformation, the difference between upper and lower bainite, and the influence of solute...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.spsp2.t54410335
EISBN: 978-1-62708-265-5
... Abstract The properties of martensite and the mechanisms that govern its formation are the key to understanding hardness and the hardenability of carbon steel. Martensite is a transformation product of austenite that requires rapid cooling to suppress diffusion-dependent transformation pathways...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.tb.msisep.t59220193
EISBN: 978-1-62708-259-4
... the final microstructure, and how the associated phase transformations are driven by nucleation and growth processes. It describes diffusionless and diffusive growth mechanisms and provides detailed information on the properties, structure, and behaviors of the transformation products produced, namely...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1999
DOI: 10.31399/asm.tb.cmp.t66770199
EISBN: 978-1-62708-337-9
... Abstract Mechanical treatments such as grinding and shot peening are often employed in the production of case-carburized parts. Grinding, besides restoring precision, removes carbide films, internal oxidation, and high-temperature transformation products. Shot peening strengthens component...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1999
DOI: 10.31399/asm.tb.cmp.t66770011
EISBN: 978-1-62708-337-9
... development of high-temperature transformation products as well as microstructure, hardenability, and carbon content and properties such as fatigue and fracture behaviors, hardness, and wear resistance. It also explains how to manage internal oxidation through material design, process control, and other...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240053
EISBN: 978-1-62708-251-8
... , and the nucleation rate, Ṅ , is shown in the Fig. 4.6 curves. At a given temperature, the overall transformation rate is given as the product of Ġ and Ṅ . For transformations that occur at high temperatures, the nucleation rate will be low and the growth rate will be high. This will result in...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.lmcs.t66560029
EISBN: 978-1-62708-291-4
... the eutectoid transformation products form during slow cooling. Other alloys contain a proeutectoid phase that forms before the eutectoid transformation takes place. The proeutectoid phase is ferrite in hypoeutectoid steels (<0.8% C) and cementite in hypereutectoid steels (>0.8% C). During...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2012
DOI: 10.31399/asm.tb.pdub.t53420143
EISBN: 978-1-62708-310-2
... reaction products from an invariant transformation have a different crystal structure than that of the parent phase. In contrast, solid-state transformation from a discontinuous precipitation involves the generation of new second phase within a matrix that has the same crystal structure as the parent phase...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240153
EISBN: 978-1-62708-251-8
... down toward room temperature. When the data are collected, they are used to plot the extent of transformation product in the microstructure on a temperature-time plot in the manner shown in Fig. 10.18 . A fully developed TTT curve with the transformation products marked on the diagram is shown in Fig...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2012
DOI: 10.31399/asm.tb.pdub.t53420015
EISBN: 978-1-62708-310-2
... the Fig. 2.15 curves. At a given temperature, the overall transformation rate is given as the product of Ġ and Ṅ . For transformations that occur at high temperatures, the nucleation rate will be low and the growth rate will be high. This will result in fewer particles that will grow to large...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2012
DOI: 10.31399/asm.tb.pdub.t53420303
EISBN: 978-1-62708-310-2
... Relationships in Ferrous Transformation Products , Phase Transformation of Ferrous Alloys , TMS , 1984 , p 11 – 41 15.11 Lindsley B.A. and Marder A.R. , The Morphology and Coarsening Kinetics of Spheroidized Fe-C Binary Alloys , Acta Mater. , Vol 46 , 1997 , p 341 – 351 15.12...