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molybdenum-base conversion coating

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Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001808
EISBN: 978-1-62708-180-1
... wear of metal parts are also discussed. The article concludes with a discussion on the influence of metallurgical factors and fabrication practices on the fatigue properties of materials, as well as the effects of surface coatings. abrasive wear adhesive wear axial fatigue bending fatigue...
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
... in Cobalt-Sodium Mixed Sulfate Formation and Low Temperature Hot Corrosion , High Temperature Corrosion , NACE-6, NACE International , Houston, TX , 1983 , p 513 – 518 164. Mishra A.K. , Mechanism of Na 2 SO 4 -Induced Corrosion of Molybdenum Containing Nickel-Base Superalloys at High...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001816
EISBN: 978-1-62708-180-1
... temperature for two sizes of boiler tubes and two values of heat flux. (a) and (b) The effect of scale thickness on the temperature gradient across the scale. (c) and (d) The effect of scale thickness on the temperature of the metal at the outer surface of the tube. The graphs are based on a continuous...
Book Chapter

Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003548
EISBN: 978-1-62708-180-1
... in the environment and is carried away or produces a loosely adherent, porous coating now greater in thickness. Because of the porosity in the oxidation (rust), this metal is still considered active or able to continue degrading. Coating specialists have been able to formulate a phosphoric-acid-based compound...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006778
EISBN: 978-1-62708-295-2
... removed from a cast component may not necessarily bear relation to grade/condition determination based on separately poured test bars, results suggested the G3000 grade designation for automotive gray cast iron. The typical fracture morphology within the matrix was transgranular cleavage...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006783
EISBN: 978-1-62708-295-2
... corrosion of the substrate can occur at pores, damage sites, and edges in the noble metal coating. Sacrificial metal coatings provide cathodic protection of the more-noble base metal, as in the case of galvanized steel or alclad aluminum, which is widely used in the aircraft industry. Thermally sprayed...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003524
EISBN: 978-1-62708-180-1
..., hacksaws, band saws, or soft abrasive cutoff wheels flooded with water-based soluble oil solution to keep metal surfaces cool and corrosion-free. Dry cutting with an air-driven abrasive disk may also be used with care to remove small specimens from large parts if kept cool, along with coating the fracture...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006824
EISBN: 978-1-62708-329-4
... rate of the unhardened surface can be worsened. Conversely, on precision surfaces such as compressor blade/disc attachment surfaces, ductile coatings such as Cu-Ni-In can be used to equalize surface loads and minimize asperity fracture. Solid lubricants such as molybdenum disulfide have been employed...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003543
EISBN: 978-1-62708-180-1
... removed from a cast component may not necessarily bear relation to grade/condition determination that is based on separately poured test bars, results were suggestive of the G3000 grade designation for automotive gray cast iron. The typical fracture morphology within the matrix was transgranular cleavage...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006780
EISBN: 978-1-62708-295-2
... and molybdenum) and nickel-base superalloys require temperatures near 1000 °C (1830 °F) to activate the onset of creep deformation engineering significance. Typical materials and application temperatures of some creep-resistant alloys are listed in Table 2 . The creep behavior of polymeric materials is more...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003507
EISBN: 978-1-62708-180-1
..., whether performed at room temperature or at elevated temperatures, makes them common sources of surface discontinuities, such as laps, seams, and cold shuts. Oxides, slivers or chips of the base material, or foreign material also can be embedded into the surface during working. These surface imperfections...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006810
EISBN: 978-1-62708-329-4
... 0.607 1.00 Nickel 0.10 0.75 10.00 10.16 11.06 10–14 Chromium 0.068 2.00 16.00 19.43 19.46 16–18 (c) Molybdenum 0.023 0.65 2.00 2.86 2.88 2–3 Iron bal bal bal bal bal bal (a) Maximum content unless range is given. (b) Carbon content is 0.03% max for type...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003539
EISBN: 978-1-62708-180-1
... rotating beam specimen. Sample was sputter coated with platinum for SEM examination. Fig. 51 Features observed on fatigue area of polycarbonate rotating beam specimen. (a) Optical view at base of notch. (b) Higher magnification electron fractograph. Sample was sputter coated with platinum for SEM...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001812
EISBN: 978-1-62708-180-1
... and the fastener, moisture and fuel leaks around the fastener, and fretting. Load-carrying capacity has been significantly improved by increasing the head diameter of fasteners in order to distribute loads over a greater surface area. The bases of nuts and collars were similarly increased. Fasteners...
Book Chapter

Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003562
EISBN: 978-1-62708-180-1
... of normal slip for a crossed steel cylinder arrangement. Source: Ref 21 Fig. 12 Comparison of the theoretically predicted diameter of the nonslip region versus slip amplitude based on experimental data Fig. 13 Plot of specific wear rate versus amplitude of slip. Each core is the result...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006805
EISBN: 978-1-62708-329-4
... ,” A 574-17, ASTM International , 2017 • “ Standard Specification for Corrosion Protective Fastener Coatings with Zinc Rich Base Coat and Aluminum Organic/Inorganic Type ,” F 2833-11(2017), ASTM International , 2017 • “ Standard Specification for Electrodeposited Coatings on Mechanical...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006776
EISBN: 978-1-62708-295-2
... with platinum for scanning electron microscopy examination. Fig. 51 Features observed on fatigue area of polycarbonate rotating-beam specimen. (a) Optical view at base of notch. (b) Higher-magnification electron fractograph. Sample was sputter coated with platinum for scanning electron microscopy...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006785
EISBN: 978-1-62708-295-2
..., there are four general categories of SCC propagation mechanisms: anodic dissolution, film-induced cleavage, adsorption-based mechanisms, and hydrogen embrittlement. Each mechanism is described briefly. For a more in-depth discussion, the reader is referred to the articles “ Introduction to Environmentally...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003510
EISBN: 978-1-62708-180-1
..., but the degree of embrittlement is enhanced by nickel, manganese, and chromium content. Tempering should be carried out below this range for steels susceptible to this embrittlement or above the range, followed by rapid quenching through the range. Molybdenum additions minimize the susceptibility of steels...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003553
EISBN: 978-1-62708-180-1
... articles ( Ref 1 , 2 ), review articles ( Ref 3 , 4 , 5 , 6 , 7 , 8 ), and the Selected References listed at the end of this article. General Characteristics of SCC Based on extensive empirical investigations, a number of special characteristics of SCC have been observed and categorized...