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tungsten carbide-based metal-matrix composite overlays

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Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003162
EISBN: 978-1-62708-199-3
... in flux-coated form for shielded metal arc welding (SMAW) and as a continuous wire (with an internal flux) for open arc welding. Tungsten carbide composites generally possess very high resistance to abrasion and very low impact strength. Performance in a given situation is dependent upon (a...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003157
EISBN: 978-1-62708-199-3
... refractory metals or their carbides include Mo-Ag, WC-Ag, W-Ag, WC-Cu, and W-C-Ag systems. Silver-base composites can be divided into two types: type 1 uses a pure element (nickel, tungsten, or molybdenum) or graphite as the dispersed phase; and type 2 composites use semirefractory oxides (CdO, SnO 2 , or...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003005
EISBN: 978-1-62708-200-6
... materials, including ferrous alloys, nonferrous alloys, ceramics, cermets and cemented carbides, engineering plastics, polymer-matrix composites, metal-matrix composites, ceramic-matrix and carbon-carbon composites, and reviews their general property characteristics and applications. It describes the...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003167
EISBN: 978-1-62708-199-3
... the bearing will operate and of prior experience in similar applications. All commercial significant bearing metals, with the exception of silver, are polyphase alloys. As indicated below, these polyphase alloys can be classified according to basic microstructural types. Type I: Soft Matrix...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003217
EISBN: 978-1-62708-199-3
... electrodeposited coatings hot-dip coatings porcelain enameling rust-preventive compound coatings weld-overlay coatings HOT-DIP COATING processes are used to apply coatings of zinc, zinc-iron, aluminum, aluminum-silicon alloy, Zn-5Al alloy, 55Al-Zn alloy, and lead-tin alloy to carbon steels. Metals such...
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
... operational factors are in the article “Heat Treatment Metallurgy of Nickel-Base Alloys” in this Volume. The fcc structure of the nickel matrix (γ) and its alloys offers high-temperature creep resistance and the ability to be strengthened by solid-solution hardening, carbide...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003817
EISBN: 978-1-62708-183-2
... networks of chromium-rich M 7 C 3 particles within the cobalt-rich solid solution (matrix). Sand-cast alloy 6 contains approximately 13 wt% of such carbides. Castings and weld overlays of those alloys with higher carbon and tungsten contents exhibit hypereutectic structures containing very large chromium...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003206
EISBN: 978-1-62708-199-3
... Abstract Arc welding methods can be classified into shielded metal arc welding, flux-cored arc welding, submerged arc welding, gas metal arc welding, gas tungsten arc welding, plasma arc welding, plasma-metal inert gas (MIG) welding, and electroslag and electrogas welding. This article provides...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001313
EISBN: 978-1-62708-170-2
... electroplating finishing joining mechanical grinding molten caustic process molybdenum niobium oxidation-resistant coatings pickling plating refractory metals solvent cleaning surface cleaning tantalum tungsten THE REFRACTORY METALS include niobium (also known as columbium), tantalum...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006267
EISBN: 978-1-62708-169-6
.... Strengthening of cobalt-base alloys is accomplished by solid-solution alloying (e.g., molybdenum, tungsten, tantalum, and niobium) in combination with carbon to promote carbide precipitation. Compared to the wrought alloys, cast cobalt-base superalloys are characterized by higher contents of high-melting metals...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003148
EISBN: 978-1-62708-199-3
... crystallographic nature of cobalt (in particular its response to stress), the solid-solution-strengthening effects of chromium, tungsten, and molybdenum, the formation of metal carbides, and the corrosion resistance imparted by chromium. Generally, the softer and tougher compositions are used for high-temperature...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005335
EISBN: 978-1-62708-187-0
... by the presence of chromium, molybdenum, silicon, and tungsten. The fcc structure is necessary for high-temperature strength and ductility at all temperatures. The composition of the fcc matrix phase is a function of overall alloy composition and the phases that precipitate during solidification...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006787
EISBN: 978-1-62708-295-2
...-generation plants (coal, oil, natural gas, and nuclear), pulp and paper mills, waste-incineration sites, numerous industrial chemical processes, diesel engines (power, land vehicle, and maritime), and gas turbine (land-based, marine shipboard, and aircraft). Predicting corrosion of metals and alloys or...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003120
EISBN: 978-1-62708-199-3
.... Cobalt-base superalloys are readily joined by gas metal-arc welding (GMAW) or gas tungsten-arc welding (GTAW) techniques. Cast alloys such as WI-52 and wrought alloys such as Haynes 188 have been extensively welded. Filler metals generally have been less highly alloyed cobalt-base alloy wire, although...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001304
EISBN: 978-1-62708-170-2
... descaling Acid cleaning The most important considerations in selecting one of the above methods are: Thickness of rust or scale Composition of metal Condition of metal (product form or heat treatment) Allowable metal loss Surface finish tolerances Shape and size of workpieces...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006638
EISBN: 978-1-62708-213-6
... standards-based k -ratio/matrix correction protocol. Thus, the raw x-ray intensity values at each pixel used for simple elemental mapping can be replaced with rigorously calculated compositional values. The gray or color scale that is assigned to the pixel thus is related directly to concentration and not...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003065
EISBN: 978-1-62708-200-6
... gives a detailed account of production, properties and application of fiberglass, optical fibers, glass spheres and ceramic glasses, and describes the forms, classification, compositions and properties of glass/metal and glass-ceramic/metal seals. fiberglass forming glass melting glass spheres...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.9781627081719
EISBN: 978-1-62708-171-9
Book Chapter

Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001293
EISBN: 978-1-62708-170-2
... refractory metal (tungsten, molybdenum, tantalum, etc.) carbides and/or complex intermetallic phases in a NiAl and/or Ni 3 Al matrix, formed by the removal of nickel from the underlying alloy, thereby converting its Ni-Ni 3 Al structure to those phases. Conversely, if the activity of aluminum in the source...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001303
EISBN: 978-1-62708-170-2
... or tubular rod (stick electrode) Gas-tungsten arc (GTAW) Bare cast or tubular rod Gas-metal arc (GMAW) Tubular or solid wire Flux-cored open arc Tubular wire (flux cored) Submerged arc (SAW) Tubular or solid wire Plasma transferred arc (PTA) Powder Laser beam Powder...