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refractory carbides

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Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006076
EISBN: 978-1-62708-175-7
...Abstract Abstract The two most important classes of materials that are manufactured via infiltration methods are copper- and silver-infiltrated refractory metals and refractory carbides, and copper-infiltrated steels. This article focuses on copper-infiltrated steels and discusses the basic...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006052
EISBN: 978-1-62708-175-7
...Abstract Abstract This article discusses the methods and procedures used to extract, purify, and synthesize tungsten carbide powder, metal, and other refractory carbide/nitride powders used in hard metal production. Selection of powders, additives, equipment, and processes for making ready...
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001104
EISBN: 978-1-62708-162-7
...Properties of refractory metal carbides Table 1 Properties of refractory metal carbides Carbide Hardness, HV (50 kg) Crystal structure Melting point Theoretical density, g/cm 3 Modulus of elasticity Coefficient of thermal expansion, μm/m · K °C °F GPa 10 6 psi TiC 3000...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003152
EISBN: 978-1-62708-199-3
... (straight grade). The light constituent is the cobalt binder. (a) Fine grain size. (b) Medium grain size. (c) Coarse grain size. All at 1500× Abstract Abstract Cemented carbides belong to a class of hard, wear-resistant, refractory materials in which the hard carbide particles are bound together...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006091
EISBN: 978-1-62708-175-7
... the processing, properties, and performance of electrical contacts based on PM or hybrid composite technologies with refractory metals and compounds. These metals and compounds include tungsten, molybdenum, carbide-based composites, and silver-base composites. The article explains composite manufacturing methods...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001318
EISBN: 978-1-62708-170-2
.... In the higher temperature range, 1700 to 2200 °C (3092 to 3992 °F), refractory carbides and borides have been used for short time periods. Coating deposition techniques that have been used include pack cementation, CVD, and slurry processes. Coating architectures are normally built using combinations...
Book Chapter

Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002123
EISBN: 978-1-62708-188-7
... Metals Handbook . Cast cobalt alloys contain a primary phase of cobalt-rich solid solution that is strengthened by chromium and tungsten and is dispersion strengthened by complex, hard, refractory carbides of tungsten and chromium ( Ref 2 , 3 ). Nominal compositions for two commercially available...
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001105
EISBN: 978-1-62708-162-7
... Other Refractory Cermets Carbide-Base Cermets Carbonitride-Base Cermets Nitride-Base Cermets Oxide-Base Cermets Boride-Base Cermets Carbon-Containing Cermets Powder Preparation Static Cold Pressing Cold Hydrostatic Pressing Warm Extrusion of Cement Powder Mixtures Power...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005629
EISBN: 978-1-62708-174-0
...Characteristics of typical friction stir welding tool materials Table 1 Characteristics of typical friction stir welding tool materials Material characteristic Tool material class Tool steels Superalloys Refractory metals Carbides, cermets, and ceramics Superabrasives Room...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003551
EISBN: 978-1-62708-180-1
... those chemical and physical properties that make them applicable for structures, or as components of systems, that are exposed to environments above 538 °C (1000 °F).” Nowadays, refractories are made of not only oxides and nonoxide compounds (carbides, nitrides, and carbons), but also of metallic...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003064
EISBN: 978-1-62708-200-6
... for initiation of melting °C °F Graphite to refractory metal Moderate Silver, copper, titanium alloy 780 1435 Graphite to refractory metal Moderate Gold, palladium alloy 1190 2175 C-C to C-C, and graphite to graphite High Zirconium 1823 3315 C-C to C-C, and graphite to graphite...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003422
EISBN: 978-1-62708-195-5
... Not possible Not possible Possible Not possible Possible Carbon-carbon and graphite joining Table 3 Carbon-carbon and graphite joining Primary substrates joined Operating temperature Braze material Temperature for initiation of melting °C °F Graphite to refractory metal...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001280
EISBN: 978-1-62708-170-2
... to 1095 °C (1000 to 2000 °F) Silicide coatings for protection of refractory metals against oxidation Table 7 Silicide coatings for protection of refractory metals against oxidation Constituents of as-applied coating Suitable substrate metal Oxidation protection (a) Application...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006133
EISBN: 978-1-62708-175-7
... equipment must be more rigid and have greater torque to ensure optimal results. Carbide and, on occasion, cast cobalt tools give acceptable tool life and cutting properties. Tool sharpness is critical to cut refractory metals cleanly. Worn tools can tear the material, resulting in microcracks that can limit...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003838
EISBN: 978-1-62708-183-2
... Method for Apparent Porosity in Cemented Carbides,” B 276, Annual Book of ASTM Standards , American Society for Testing and Materials 20. Weast R.C. , Ed., Handbook of Chemistry and Physics , 67th ed. , CRC Press , 1986 21. Storms E.K. , Refractory Carbides , Academic...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003151
EISBN: 978-1-62708-199-3
... solubility for other refractory and reactive metals. The single largest use for tantalum is as powder and anodes for electronic capacitors, representing about 50% of total consumption. Tantalum is used as an alloying element in superalloys, and tantalum carbide is an important constituent in cemented...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003449
EISBN: 978-1-62708-195-5
...) Silicon carbide matrix SiC 0 480 69.6 4–5 3.6–4.5 11 SiC + TiB 2 (p) 16 480 69.6 8.9 8.1 19 SiC + TiC (p) 15 680 98.6 5.1 4.6 19 Silicon nitride matrix Si 3 N 4 0 800 116 7 6.4 12 Si 3 N 4 + TiC (p) 30 800 116 4.3 3.9 15 Si 3 N 4 + SiC (p...
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002190
EISBN: 978-1-62708-188-7
...) refractory metals or alloys with single-point and box tools Table 1 Turning wrought, cast, and powder metallurgy (P/M) refractory metals or alloys with single-point and box tools Material Hardness, HB Condition Depth of cut (a) , mm (in.) High-speed steel (HSS) tool Uncoated brazed carbide...
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002124
EISBN: 978-1-62708-188-7
...Properties of refractory metal carbides Table 1 Properties of refractory metal carbides Carbide Hardness, HV (50 kg) Crystal structure Melting point Theoretical density, g/cm 3 Modulus of elasticity Coefficient of thermal expansion, μm/m · K °C °F GPa psi × 10 6 TiC...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006123
EISBN: 978-1-62708-175-7
...). Unlike the others, rhenium does not form a carbide. Figures 1 and 2 compare the temperature-dependent ultimate tensile strengths and elastic moduli of the refractory metals. Mechanical and physical properties of pure refractory metals Table 1 Mechanical and physical properties of pure...