1-20 of 72 Search Results for

boriding

Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240395
EISBN: 978-1-62708-251-8
...; 70 Alloy steels, tool steels Produces a thin carbide (TiC) case for resistance to wear; high temperature may cause distortion Boriding 400–1150 750–2100 13–50 0.5–2 40–70 Alloy steels, tool steels, cobalt and nickel alloys Produces a hard compound layer; mostly applied over hardened tool...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.sap.t53000025
EISBN: 978-1-62708-313-3
... phase and geometrically and topologically close-packed phases, and describes how superalloy microstructure can be modified via heat treatments and directional solidification. It also discusses the role of carbides, borides, oxides, and nitrides and the detrimental effects of sulfocarbides...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230117
EISBN: 978-1-62708-298-3
... Abstract This chapter discusses the synthesis of important beryllium compounds, including beryllium borides, beryllium carbide, beryllium carbonates, beryllium carboxylates, beryllium halides, beryllium hydride, beryllium hydroxide, beryllium nitrate, beryllium nitride, beryllium oxalate...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280025
EISBN: 978-1-62708-267-9
... alloys. Some carbide- and γ′-forming elements may contribute significantly to chemical properties as well. Borides may form in the iron-nickel-and nickel-base superalloys. Detrimental phases also form in the superalloys. Among these phases are σ, μ, and Laves. These phases are so-called topologically...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350183
EISBN: 978-1-62708-315-7
... TiN coatings applied by various thin-film processes Fig. 15 Compares the surface hardness of hardened tool steel and a cemented carbide with that of the following surface-hardening processes: TRD, CVD, PVD, boriding, chrome plating, electroless nickel-phosphorus plating, ferritic...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280357
EISBN: 978-1-62708-267-9
... atom fraction of particular element N v = individual electron vacancy number of particular element n = number of elements in the matrix There was clearly a need in this type of calculation system to incorporate the effects of carbides, borides, and γ′ formation on the γ matrix...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.sap.t53000111
EISBN: 978-1-62708-313-3
... crystallographic directions. If machining of the alloy is necessary, alloys with high carbon contents complicate the process, because carbides may form regardless of heat treatment and will reduce machinability. High boron and borides should be avoided for the same reason. The work-hardening tendency of an...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.sap.t53000139
EISBN: 978-1-62708-313-3
...: Ref 1 , 2 Fig. D.11 The lamellar constituent is a boride (M3B2) formed by incipient fusion. The two large crystals are metal carbide. Optical microscope, original magnification 1500×. Condition: As fabricated (as forged) Source: Ref 1 , 2 Fig. D.12 Needles of sigma phase...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350095
EISBN: 978-1-62708-315-7
... of Chromium Diffusion (Chromize) Coatings in a High Temperature Coal Combustion Atmosphere , Surface Modification Technologies IV , Sudarshan T.S. , Bhat D.G. , and Jeandin M. , Ed., TMS , 1991 , p 471 27. Sinha A.K. , Boriding (Boronizing) , Heat Treating , Vol 4...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2012
DOI: 10.31399/asm.tb.pdub.t53420289
EISBN: 978-1-62708-310-2
... primary chromium-boride particles was desired. After consulting the B-Cr-Ni phase diagram, a series of samples having acceptable amounts of total chromium borides and chromium matrix were made and tested. Subsequent fine tuning of the composition to ensure fabricability of welding rods, weldability, and...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170290
EISBN: 978-1-62708-297-6
... effects necessarily occur in a given alloy. (b) Hardening by precipitation of Ni 3 Ti also occurs if sufficient Ni is present. (c) If present in large amounts, borides are formed Fig. 3 Alloying elements used in nickel-base superalloys. The height of the element blocks indicates the...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.tb.aacppa.t51140007
EISBN: 978-1-62708-335-5
.... Bismuth additions improve the machinability of cast aluminum alloys at concentrations greater than 0.1%. Boron combines with other metals to form borides, such as AlB 2 and TiB 2 . Titanium boride forms stable nucleation sites that interact with active grain-refining phases such as TiAl 3 for grain...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.tb.aacppa.t51140007
EISBN: 978-1-62708-335-5
.... Bismuth additions improve the machinability of cast aluminum alloys at concentrations greater than 0.1%. Boron combines with other metals to form borides, such as AlB 2 and TiB 2 . Titanium boride forms stable nucleation sites that interact with active grain-refining phases such as TiAl 3 for grain...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2013
DOI: 10.31399/asm.tb.mfub.t53740325
EISBN: 978-1-62708-308-9
... manganese steels, martensitic air-hardening steels, erosion-resistant stainless steels, tungsten carbides, cobalt-base/carbide alloys, cobalt- and nickel-base/Laves alloys, nickel-base/boride alloys, and bronzes. Corrosion-resistant alloy coatings include austenitic stainless steels (300 series and some...
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
... less than the solubility limit of 0.01 wt%, the volume fraction of borides tends to be quite small. Borides are hard particles that also form at grain boundaries. The boride is found in superalloys in the form of M 3 B 2 , with a tetragonal unit cell. Embrittling topologically close-packed (tcp...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.aceg.t68410091
EISBN: 978-1-62708-280-8
... grain size can be refined by the addition of titanium as titanium boride, improving the properties and pressure tightness and reducing solidification shrinkage. Titanium is controlled at about 0.2 to 0.25%. Modification of silicon by the addition of strontium (sodium and calcium) alters the size and...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350001
EISBN: 978-1-62708-315-7
... oxidation resistance Boronizing (boriding) Improved wear resistance, oxidative wear, and surface fatigue Ion implantation Improved friction and wear resistance for a variety of substrates Laser alloying Improved wear resistance Adding a surface layer or coating Organic coatings (paints...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.tb.aacppa.t51140039
EISBN: 978-1-62708-335-5
..., they differ from true master alloys added to the melt exclusively for alloying purposes. To be effective, grain refiners must introduce controlled, predictable, and operative quantities of aluminides and borides or carbides in the correct form, size, and distribution for grain nucleation. Refiners in...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.tb.aacppa.t51140039
EISBN: 978-1-62708-335-5
..., they differ from true master alloys added to the melt exclusively for alloying purposes. To be effective, grain refiners must introduce controlled, predictable, and operative quantities of aluminides and borides or carbides in the correct form, size, and distribution for grain nucleation. Refiners in...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060197
EISBN: 978-1-62708-261-7