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remelt hardening

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Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006322
EISBN: 978-1-62708-179-5
... for annealing ductile iron castings for different alloy contents and for castings with and without eutectic carbides. The article discusses the induction surface hardening and remelt hardening of ductile iron. It concludes with information on the effect of heat treatment on fatigue strength of ductile...
Series: ASM Handbook
Volume: 4D
Publisher: ASM International
Published: 01 October 2014
DOI: 10.31399/asm.hb.v04d.a0005953
EISBN: 978-1-62708-168-9
... mechanical properties of D-6AC caused by melting practice ( Table 8 ), the characteristics of the two steels are similar. Table 8 Typical fracture toughness of D-6AC with either electric arc furnace/vacuum arc remelting (EAF/VAR) or electric arc furnace/argon-oxygen decarburization/vacuum arc remelting...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005771
EISBN: 978-1-62708-165-8
... implantation is given in Ref 20 and in Corrosion , Volume 13 of ASM Handbook , formerly Handbook, 9th edition . Surface hardening with arc lamps is used in applications that involve surface remelting or surface hardening by solid-phase recrystallization. Examples include the surface remelting of cast...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001412
EISBN: 978-1-62708-173-3
... vacuum arc remelted. As a result, the transverse ductility and toughness of 15-5PH stainless steel are superior to those of 17-4PH. However, its weldability is essentially the same as that of 17-4PH and the same welding processes and procedures are used. A matching 15-5PH filler wire (AMS 5826) is...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005817
EISBN: 978-1-62708-165-8
... intelligent solutions for processing in connection with suitable facilities concepts. There are other EB surface-layer technologies in which, in contrast to EBH, the material zones subjected to energy input by EB change to the liquid state up to a certain depth, such as remelting (without additives), and...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003091
EISBN: 978-1-62708-199-3
..., and rotor steels have higher quality requirements and tighter composition control than plain carbon or ordinary low-alloy steels. The production of special-quality steels requires vacuum-based induction or electric remelting and refining capabilities. The article explores the types and characteristics...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006485
EISBN: 978-1-62708-207-5
... Abstract Ingot casting is the vital conduit between molten metal provided by primary production and recycling, and the manufacture of aluminum and aluminum alloy products. This article discusses various ingot forms, such as remelt ingot, billets, ingots for rolling, fabricating ingot, and...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003141
EISBN: 978-1-62708-199-3
... Abstract Titanium metal passes through three major steps during processing from ore to finished product: reduction of titanium ore to sponge (porous form), melting of sponge and scrap to form ingot, and remelting and casting into finished shape. This article describes primary fabrication...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005870
EISBN: 978-1-62708-167-2
... Abstract Residual stresses are stresses within a part that result from non-uniform plastic deformation or heating and cooling and play a vital role in ensuring long life of the induction-hardened steel parts. This article provides a description of the formation of residual stresses, and factors...
Series: ASM Handbook
Volume: 1
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v01.a0001027
EISBN: 978-1-62708-161-0
... as a replacement for titanium in certain aircraft parts. The AF1410 material (see Table 1 for composition) is air hardenable in sections up to 75 mm (3 in.) thick. The preferred melting practice is presently vacuum induction melting followed by vacuum arc remelting (VIM/VAR). However, initially VIM...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003200
EISBN: 978-1-62708-199-3
... magnitude, power density, and beam position, it is well suited for surface hardening as well. These power densities are much too high for nondestructive heat treating, however. Destructive heat treating in this context refers to controlled remelting of ferrous and nonferrous materials. An energy...
Series: ASM Handbook
Volume: 4D
Publisher: ASM International
Published: 01 October 2014
DOI: 10.31399/asm.hb.v04d.a0005948
EISBN: 978-1-62708-168-9
.../remelting also is used to improve strength and ductility by inclusion removal. Although knowledge of the thermal hysteresis in iron-nickel alloys was observed as early as 1927 ( Ref 3 ), the first extensive research toward development of commercial iron-nickel maraging steels was conducted in the late...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006266
EISBN: 978-1-62708-169-6
... properties of wrought alloys. Cast products, in turn, are produced by remelting ingots created from elemental and revert stock, where the structure, properties, and cleanliness are a direct result of the specific casting process that produces the final product form. In this case, there is less opportunity to...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002401
EISBN: 978-1-62708-193-1
... Abstract The mechanism of contact fatigue can be understood in terms of several sources of stress concentration, or stress raisers, within the macroscopic Hertzian stress field. This article focuses primarily on rolling contact fatigue of hardened bearing steels. It discusses Hertzian shear...
Series: ASM Handbook
Volume: 1
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v01.a0001024
EISBN: 978-1-62708-161-0
... can be produced by one of these techniques: Clean-steel air-melt practices Electroslag remelting Air melting followed by vacuum are remelting Vacuum induction melting followed by vacuum arc remelting Cleanliness, cost and reliability can increase depending on which practice is...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006275
EISBN: 978-1-62708-169-6
... measured with a Vickers hardness tester using a 2.5 kg (5.5 lb) load. Because the specimens in group A could not be prepared for hardness testing before they were quenched, a different procedure was necessary to permit testing to commence after 1 min. These specimens were remelted in small, flat-based...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003114
EISBN: 978-1-62708-199-3
... melted in relatively small-tonnage electric arc furnaces to economically achieve composition tolerances, cleanliness, and precise control of melting conditions. Special ladle refining and secondary remelting processes such as electroslag remelting and vacuum arc remelting have been introduced to satisfy...
Series: ASM Handbook
Volume: 1
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v01.a0001048
EISBN: 978-1-62708-161-0
... in electric arc furnaces or in the basic oxygen furnace. Primary melting may be followed by a further refining procedure such as ladle treatments, vacuum arc remelting (VAR), or electroslag remelting (ESR). An ingot or billet product from the electric furnace is used as an electrode in these...
Series: ASM Handbook
Volume: 4D
Publisher: ASM International
Published: 01 October 2014
DOI: 10.31399/asm.hb.v04d.a0005960
EISBN: 978-1-62708-168-9
... fracture toughness. AF 1410 is typically manufactured via vacuum induction melting (VIM) followed by vacuum arc remelting (VAR) to achieve the required low levels of impurities. For improved or finer grain size, producers often recommend forging reductions of 40% below 900 °C (1650 °F). This grade is...
Series: ASM Handbook
Volume: 4D
Publisher: ASM International
Published: 01 October 2014
DOI: 10.31399/asm.hb.v04d.a0005937
EISBN: 978-1-62708-168-9
... austenitizing ductile iron fatigue strength hardenability heat treatment induction hardening martempering nitriding normalizing quenching remelt hardening stress relieving surface hardening tensile properties DUCTILE CAST IRONS (also known as nodular or spheroidal graphite iron) are heat...