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isothermal solidification

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Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.pb.t51230207
EISBN: 978-1-62708-351-5
... commences at composition C βL . Dissolution of some parent continues through stage 2, and the zone of liquid widens, until composition C Lα is reached, when isothermal solidification begins. In stage 3, isothermal solidification proceeds and is completed when the last increment of liquid transforms...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2013
DOI: 10.31399/asm.tb.mfub.t53740103
EISBN: 978-1-62708-308-9
... Abstract This chapter discusses bulk deformation processes and how they are used to reshape metals and refine solidification structures. It begins by describing the differences between hot and cold working along with their respective advantages. It then discusses various forging methods, including open...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.mgppis.t60400023
EISBN: 978-1-62708-258-7
...) at the prior austenite grain boundaries in a matrix of pearlite. 4% picral etch. 500× Fig. 2.6 A hypoeutectoid AISI/SAE 1040 steel showing a ferrite (white etching constituent) and pearlite (dark etching constituent) microstructure. 4% picral and 2% nital etch. 800× Fig. 2.8 An isothermal...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.smnm.t52140209
EISBN: 978-1-62708-264-8
... carbides during the solidification process. Fig. B2 Isothermal section of the Fe-C-Cr-4.0%Mo alloy system at 1100 °C (2010 °F). Source: Ref B1 Research on 154CM at Crucible ( Ref B1 ) found that the %Cr in the austenite produced at 1065 °C (1950 °F) is approximately 10%. This result agrees...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2012
DOI: 10.31399/asm.tb.pdub.t53420117
EISBN: 978-1-62708-310-2
... on cooling through the peritectic isotherm. The generalized form of this peritectic reaction is: L + α → β   ( peritectic reaction ) Because the β phase surrounds the solid α particles, as shown in Fig. 6.1 , α atoms must diffuse through the β crust to reach the liquid for the reaction...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240075
EISBN: 978-1-62708-251-8
... E.L. and Kearney A. , Aluminum Foundry Products , Properties and Selection: Nonferrous Alloys and Special-Purpose Materials , Vol 2 , ASM Handbook , ASM International , 1990 5. Winegard W.C. , An Introduction to the Solidification of Metals , Institute of Metals , London...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.pb.t51230047
EISBN: 978-1-62708-351-5
... (a) Authors’ own measurements Cobalt-base brazing alloys produced as foils by rapid solidification Table 2.6 Cobalt-base brazing alloys produced as foils by rapid solidification Composition, wt% Melting range Solidus Liquidus Co Cr Ni W B Si Pd °C °F °C °F Bal 21.0...
Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.t59310331
EISBN: 978-1-62708-326-3
... … 815 1500 D 3.22 1.73 0.75 … 0.03 0.47 … … E 3.21 2.24 0.67 0.02 0.50 0.52 … … Fig. 10 Isothermal transformation diagrams for two gray irons of slightly different compositions. Source: Ref 16 Fig. 11 Effect of alloy content and austenitization temperature...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.lmcs.t66560309
EISBN: 978-1-62708-291-4
... Fig. 11.1 A representative example of a section of a fusion weld illustrating the terminology used to identify features of the weld. The locations of a number of isotherms in the heat-affected zone in the parent metal are also indicated. Fig. 11.2 Brazed and braze-welded joints...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2012
DOI: 10.31399/asm.tb.pdub.t53420135
EISBN: 978-1-62708-310-2
... and the associated solidification structures. It also discusses the morphology of the microstructure produced during directional solidification and the classification criteria of low- and high-dome alloys. copper-lead alloys monotectic alloy systems phase diagrams solidification structures ANOTHER...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.tb.ssde.t52310281
EISBN: 978-1-62708-286-0
... or liquidus would change with varying alloy composition. Map : Two axis variables (such as temperature, pressure, composition, or activity of the components) are changed at the same time. Isoplethal sections are generated by varying temperature and composition of one of the components. Isothermal sections...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.tb.msisep.t59220551
EISBN: 978-1-62708-259-4
... Solidification sequences typical of austenitic stainless steels. Besides the primary phase forming from the liquid, the important morphological aspects of the as-cast product are also indicated. A = austenite, F = ferrite, Ac = acicular, N = lacy or network, Vm = vermicular or skeleton, D = dendritic, ID...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.spsp2.t54410621
EISBN: 978-1-62708-265-5
... high-speed, water-hardening, shock-resistant, and hot and cold work tool steels. It discusses the influence of alloy design on the evolution of microstructure and properties during solidification, heat treating, and hardening operations. It also describes critical phase transformations and the effects...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040257
EISBN: 978-1-62708-300-3
...Abstract Abstract This chapter discusses the processes of isothermal and hot-die forging and their use in producing aerospace components. It explains how isothermal forging was developed to provide a near-net shape component geometry and well-controlled microstructures and properties...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.tb.msisep.t59220193
EISBN: 978-1-62708-259-4
... and Performance , ASM International , 2005 14. Zhao J.C. and Notis M.R. , Continuous Cooling Transformation Kinetics Versus Isothermal Transformation Kinetics of Steels: A Phenomenological Rationalization of Experimental Observations , Mat. Sci. Engin. , Vol 15 , 1995 , p 135 – 208...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.aceg.t68410151
EISBN: 978-1-62708-280-8
... gravity to fill the mold and gravity to feed the solidification shrinkage. The steel mold is used cycle after cycle for nearly 80,000 to 100,000 pours; recoating of the refractory coating occurs after a few hundred to a thousand pours. Although the process is termed “permanent mold,” molds have a finite...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2012
DOI: 10.31399/asm.tb.pdub.t53420087
EISBN: 978-1-62708-310-2
..., the solidification and scale of eutectic structures, and the competitive growth of dendrites and eutectic colonies or cells. It also examines the different types of precipitation structures that form during slow cooling cycles. aluminum-silicon alloys eutectic systems lead-tin-alloys microstructure...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240117
EISBN: 978-1-62708-251-8
.... This results in a decrease in the electrical resistivity because the valence electrons that carry the electrical charge are now less scattered. The isothermal changes in electrical resistance of copper during recovery at three different temperatures are shown in Fig. 8.7 . Note that recovery is initially very...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280117
EISBN: 978-1-62708-267-9
... know-how, Astroloy was made into disks for gas turbine applications. However, the forging process was more costly than with earlier alloys and the results prone to more scatter than desired. A solution to these problems was to minimize segregation through rapid solidification of the metal...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550299
EISBN: 978-1-62708-307-2
... of thermal stresses. Three processes have been successfully used to break down the cast structure of gamma titanium aluminide alloys: isothermal forging, conventional (canned) forging, conventional (canned) extrusion, and equal-channel angular extrusion ( Table 6.7 ). For each approach, the ingot...