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melt treatment

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Published: 01 December 2018
Fig. 4.8 Melt treatment system with a dosing furnace More
Image
Published: 01 December 2018
Fig. 4.9 Melt treatment system with a metal pump More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170091
EISBN: 978-1-62708-297-6
..., giving it distinct advantages in a number of applications. The article also discusses the role of melt treatment elements and explains how alloying and heat treatment affect tensile strength, hardness, toughness, and ductility. compacted graphite iron Composition Introduction and Overview...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.tb.aacppa.t51140047
EISBN: 978-1-62708-335-5
... of hydrogen in aluminum at 1 atm hydrogen pressure The solubility curve for hydrogen in aluminum typically describes equilibrium conditions. No more hydrogen than indicated can be dissolved at any temperature. Control of melting conditions and melt treatment can result in substantially reduced...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 June 2023
DOI: 10.31399/asm.tb.atia.t59340063
EISBN: 978-1-62708-427-7
..., molten metal treatment, control of inclusions, ingot grain refinement, and direct chill (DC) or continuous casting. aluminum alloys belt casters continuous casting direct chill ingot casting inclusions melting molten metal processing scrap charging Direct chill (DC) ingots used...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2022
DOI: 10.31399/asm.tb.isceg.t59320001
EISBN: 978-1-62708-332-4
... integrity. casting cost drivers ENGINEERED GEOMETRY and its microstructures impact casting performance. Engineering a product’s geometry requires knowledge of the alloys’ castability and the mechanical properties achieved by controlled cooling in molds. The melting of metal and heat treatment...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2022
DOI: 10.31399/asm.tb.isceg.t59320207
EISBN: 978-1-62708-332-4
... from 0.010 to 0.025% for compacted graphite formation. Sulfur additions resulfurize by melt treatment with: Iron sulfide or iron pyrites powder (containing about 49% sulfur) or Briquettes of iron sulfide. The addition of briquettes is preferred because the recovery is high (about 90...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.aceg.t68410021
EISBN: 978-1-62708-280-8
... casting producer with stringent quality control capability. The prototype casting producer should have: Good degassing, filtration and melt treatment practices Effective modification and grain refinement Specialized gating, feeding, and oxide prevention knowledge Localized chilling...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.tb.aacppa.t51140061
EISBN: 978-1-62708-335-5
... are reduced, insoluble phases may be physically altered, and susceptibility to corrosion may be affected. 7.1 Solution Heat Treatment Exposure to temperatures corresponding to maximum safe limits relative to the lowest melting temperature for a specific heat treatable composition results in dissolution...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480161
EISBN: 978-1-62708-318-8
... melting, electron beam hearth melting, rammed graphite mold casting, sand casting, investment casting, hot isostatic pressing, weld repair, and heat treatment -- along with related equipment, process challenges, and achievable properties and microstructures. It also explains how titanium parts...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350087
EISBN: 978-1-62708-315-7
... Abstract This chapter discusses surface engineering treatments, including flame hardening, induction hardening, high-energy beam hardening, laser melting, and shot peening. It describes the basic implementation of each method, the materials for which they are suited, and their effect on surface...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060247
EISBN: 978-1-62708-261-7
... Abstract The commercial relevance of cast irons is best understood in the context of the iron-carbon phase diagram, where their composition places them near the eutectic point, which sheds light on why they melt at lower temperatures than steel and why they can be cast into more intricate...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280323
EISBN: 978-1-62708-267-9
... and ductility. It thus reduces alloy rupture capabilities. Once a component has exceeded its incipient melting point, normal properties cannot be fully restored by any customary heat treatment. In cast alloys, incipient melting may occur at temperatures substantially below the temperatures predicted from alloy...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2000
DOI: 10.31399/asm.tb.aet.t68260119
EISBN: 978-1-62708-336-2
... is then skimmed of surface oxides. Fluxing and Degassing Fluxing is a chemical treatment of molten aluminum. The chemical compounds are usually inorganic salt mixtures. Fluxing also includes the treatment of aluminum melts by inert or reactive gases to remove solid or gaseous impurities. In aluminum...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240563
EISBN: 978-1-62708-251-8
... cobalt-based superalloys melting primary fabrication heat treatment secondary fabrication aluminide diffusion coatings overlay coatings SUPERALLOYS are nickel-, iron-nickel-, and cobalt-base alloys generally used at temperatures above approximately 540 °C (1000 °F). They exhibit a combination...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.spsp2.t54410551
EISBN: 978-1-62708-265-5
... Surface Modification Laser and electron beams provide very high energy, directed sources of heat, and are used for many surface-modification techniques. Depending on power input, high-energy beams may be used for cutting and welding, surface melting and alloying, and localized surface heat treatment...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.htgpge.t67320185
EISBN: 978-1-62708-347-8
... by design requirements, material selection, and proper heat treatment. This chapter addresses the cost factors and tradeoffs involved in selecting a material, design features, and a heat treating process to optimize gear performance for a particular application. General Conclusions Finishing Cost...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.9781627082693
EISBN: 978-1-62708-269-3
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240527
EISBN: 978-1-62708-251-8
..., forging, casting, heat treating, and secondary fabrication. It also discusses the advantages and disadvantages of titanium and its alloys in various applications. melting primary fabrication forging casting heat treatment secondary fabrication titanium titanium alloys THE PRIMARY...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 June 2023
DOI: 10.31399/asm.tb.atia.t59340083
EISBN: 978-1-62708-427-7
... of cast products is also included. aluminum-silicon casting alloys expendable mold grain refinement inclusions melt treatment porosity reusable mold shape casting shape-casting applications solidification Examples of (a) aluminum cast components by sand-mold casting. Courtesy...