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metal exposure

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Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006786
EISBN: 978-1-62708-295-2
... fasteners were cadmium plated for galvanic compatibility with the aluminum structure. (a) Photograph showing failure at the head-to-shank fillet. (b) Intergranular fracture morphology. Failure was attributed to liquid-metal-induced embrittlement caused by excessive temperature exposure while under stress...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003120
EISBN: 978-1-62708-199-3
... mechanical properties and chemical composition of nickel, iron, and cobalt-base superalloys in both the cast and wrought forms. chemical composition cobalt-base superalloys environmental factors high-temperature applications iron-base superalloys mechanical properties metal processing...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001296
EISBN: 978-1-62708-170-2
..., usually a metal, and its environment that produces a deterioration of the material and its properties.” Because corrosion is related to the material and its environment, it occurs under an immense variety of conditions. The environment includes not only the gas atmospheres or liquid media in their actual...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003839
EISBN: 978-1-62708-183-2
... microscope micrograph of localized corrosion on silicon/aluminum metal-matrix composite (MMC) after exposure to aerated 0.5 M Na 2 SO 4 at 30 °C (86 °F) for 120 h in the open-circuit condition ( Ref 41 ). Notice the formation of microcrevices by silicon particles in relief. This silicon/aluminum MMC...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006478
EISBN: 978-1-62708-190-0
... acoustic transducer, radiography, thermography, and low-frequency vibration methods. The article also provides information on NDE methods commonly used for metal-matrix composites. acoustic emission computed tomography digital radiography eddy-current electromagnetic acoustic transducer fiber...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006258
EISBN: 978-1-62708-169-6
... composites. It discusses the microstructures used for the most common magnesium alloys used in metal-matrix composites, namely, magnesium-aluminum, magnesium-rare earth and magnesium-lithium alloys. The article focuses on the most common methods of heat treatment, including solution heat treatment...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005670
EISBN: 978-1-62708-198-6
... Abstract This article focuses on the use of noble and precious metals for biomedical applications. The noble metals include gold, platinum, palladium, ruthenium, rhodium, iridium, and osmium. The physical and mechanical properties of the noble and precious metals are presented in tables. A...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003830
EISBN: 978-1-62708-183-2
... Abstract Zinc is one of the most used metals, ranking fourth in worldwide production and consumption behind iron, aluminum, and copper. This article commences with an overview of the applications of zinc that can be divided into six categories: coatings, casting alloys, alloying element in...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001277
EISBN: 978-1-62708-170-2
... Rapid chalking on exterior exposure, poor resistance to oxidizing acids, yellows in clears Moderate, high Maintenance paints, automotive primers, appliances, metal products Fluorocarbon Solvent, powder Bake Highest exterior durability, chemical resistance Adhesion, recoatability, high baking...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001224
EISBN: 978-1-62708-170-2
... off of it. If impurities such as oil or detergent residue are present, water will tend to bead up and stay on the surface.) The solvent phase of the emulsion is very effective in dissolving oils and grease without attacking the base metal. Thus, an emulsion system should be considered when evaluating...
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 Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005776
EISBN: 978-1-62708-165-8
... transferred to the nitrocarburizing salt bath at 570 °C (1060 °F). The major components of the baths for both processes are normally alkali metal cyanide and cyanate. Salts are predominately potassium, with sodium. Liquid nitrocarburizing processes are used to improve wear resistance and fatigue properties...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003829
EISBN: 978-1-62708-183-2
... 750 90 13 125 18 600 1110 76 11 88 13 800 1470 55 8 57 8 1000 1830 28 4 26 4 The exceptional corrosion resistance of platinum is extensively covered in the literature ( Ref 1 , 7 , 10 ). Platinum is one of the few metals that is unaffected by atmospheric exposure...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006286
EISBN: 978-1-62708-169-6
... temperature), the quench severity—or the ability to extract heat from hot metals—is approximately four times as high for titanium as that accepted for steel, under conditions of moderate circulation or agitation. Table 5 ( Ref 26 ) shows the comparison. The thermal gradient near the quenching end is much...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006280
EISBN: 978-1-62708-169-6
.... Cartridge brass 70 30 … Good cold working properties. Used for ammunition cases Common brass 43 37 … Also called rivet brass. Cheap and standard for cold working DZR brass 85 15 … Dezincification-resistant brass with a small percentage of arsenic Gilding metal 95 5 … Softest type of...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005806
EISBN: 978-1-62708-165-8
... appearance in an etched micrograph). Underneath the white layer is a diffusion zone, which also contains carbonitrides of alloying elements ( Fig. 1 ) or a supersaturated metallic matrix of either expanded austenite or expanded martensite (or a mixture of the two), depending on the identity of the starting...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003044
EISBN: 978-1-62708-200-6
... shear test tensile test TENSILE DATA generated in accordance with ASTM D 3039 for polymer-matrix composites and D 3552 for metal-matrix composites are based on coupon-level testing. It is often desired to use coupon-level data for design purposes. Thus, it is appropriate to consider the merits, for...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005665
EISBN: 978-1-62708-198-6
... Abstract This article highlights corrosion resistance and ion release from main transition metallic bearings that are used as medical devices. It discusses the main issues associated with the in vivo presence of ions and their biocompatibility during the exposure of patients to different...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003825
EISBN: 978-1-62708-183-2
... Abstract Tantalum is one of the most versatile corrosion-resistant metals known. The outstanding corrosion resistance and inertness of tantalum are attributed to a very thin, impervious, protective oxide film that forms on exposure of the metal to slightly anodic or oxidizing conditions. This...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006026
EISBN: 978-1-62708-172-6
... activity (water penetration and corrosion) at the metal surface underlying the coating ( Fig. 37 ). The activity is a result of exposure to an accelerated weathering environment or immersion in a specific medium. ISO 16773-2, “Paints and Varnishes—EIS on High-Impedance Coated Specimens,” describes this...