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hydrogen permeation

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Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003844
EISBN: 978-1-62708-183-2
... epoxy resin structure The structural formula depicts each atom of carbon, hydrogen, and oxygen in the molecule. The lines between each of the atoms indicate the chemical bonds between the atoms. These electronic bonds hold the atoms together to form a molecule. The number of lines (or bonds...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006073
EISBN: 978-1-62708-172-6
... comprised of oxygen, carbon, silicon, iron, magnesium, neon, sulfur, and calcium. Each element is important because its presence contributes to the solar spectrum as it is received on earth. The sun emits energy created by the thermonuclear fusion of hydrogen into helium. Four hydrogen nuclei have more mass...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003836
EISBN: 978-1-62708-183-2
..., including hydrogen embrittlement and stress-corrosion cracking. hydrogen embrittlement stress-corrosion cracking liquid phase quenching transition metal-metal binary alloys transition metal-metalloid alloys amorphous simple metal-transition metal-rare earth metal alloys AMORPHOUS, or glassy...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001268
EISBN: 978-1-62708-170-2
... strike will permeate such pores, and the metal powder will fill and bridge them. Also, because the potential for hydrogen embrittlement is extremely low, any pores in the part should not accumulate significant amounts of hydrogen. In order to ensure the quality of the mechanically plated parts, the...
Series: ASM Handbook
Volume: 4B
Publisher: ASM International
Published: 30 September 2014
DOI: 10.31399/asm.hb.v04b.a0005926
EISBN: 978-1-62708-166-5
...-based atmospheres, industrial gas nitrogen-base atmospheres, argon atmospheres, and hydrogen atmospheres. Atmospheres for backfilling, partial pressure operation, and quenching in vacuum are also discussed. Furnace atmospheres constitute four major groups of safety hazards in heat treating: fire...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003837
EISBN: 978-1-62708-183-2
... influencing kinetics, stress-cracking corrosion, and hydrogen embrittlement of aqueous corrosion. It also explains the practical issues dealing with the corrosion problems. aqueous corrosion corrosion high-temperature corrosion hot corrosion hydrogen embrittlement oxidation silicides stress...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003848
EISBN: 978-1-62708-183-2
... chemical resistance. Fluoroelastomers (FKM, FFKM) owe their excellent resistance to heat and oil to the high ratio of fluorine to hydrogen, the strength of the carbon-fluorine bond and the absence of unsaturation. The basic building blocks, in the case of FKM dipolymers, are vinylidene fluoride (VF 2...
Series: ASM Handbook
Volume: 4B
Publisher: ASM International
Published: 30 September 2014
DOI: 10.31399/asm.hb.v04b.a0005944
EISBN: 978-1-62708-166-5
... treating. The high conductivity and low viscosity of molten sodium give it a high heat transfer coefficient. On the other hand, sodium is chemically reactive with water. If sodium touches water, it extracts and combines with the oxygen of water, leaving the hydrogen. The explosion of the hydrogen occurs by...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001319
EISBN: 978-1-62708-170-2
... small sampling of those that occur in an oxygen glow discharge. As the components formed during the ionization recombine, they release energy and photons, emitting a faint blue glow and much UV radiation. The photons in the UV region have enough energy to break the carbon-carbon and carbon-hydrogen...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.9781627081801
EISBN: 978-1-62708-180-1
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006031
EISBN: 978-1-62708-172-6
... could be used to prepare a practical formulation. The structure of PVDF ( Fig. 2c ) contains alternating carbon-fluorine and carbon-hydrogen bonds. This structure provides a polarity that enables the formulation of practical coatings that resist environmental degradation, dirt retention, oxidation...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003828
EISBN: 978-1-62708-183-2
... hydrogen embrittlement of uranium are discussed briefly. In view of its catastrophic nature, a detailed review of the corrosion of uranium in hydrogen (hydriding) has also been included. Protection of uranium using plating and surface modification is discussed, with particular emphasis on techniques that...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006059
EISBN: 978-1-62708-172-6
... thermoplastic sheet linings; such linings are anchored into the concrete when placed and subsequently seam-welded. When pump station wet wells are constructed in such a way that extensive settling of solids occurs in them, buildup of the solids can produce anaerobic conditions that lead to excessive hydrogen...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003845
EISBN: 978-1-62708-183-2
... hydrogen peroxide environments ( Ref 1 , Ref 10 , Ref 11 , Ref 12 ). The great majority of FRP equipment made with polyester and epoxy vinyl-ester resins is cured using methyl ethyl ketone peroxide (the initiator), cobalt naphthenate (the promoter), and in cool/cold...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006070
EISBN: 978-1-62708-172-6
...; entrains particulates in dust, smoke, and other pollutants; and leaches minerals from soils. Most ionic material readily dissociates in water, and water itself will ionize slightly into hydrogen and hydroxide ions. If water-soluble salts are present, they will also dissociate in water, significantly...
Book Chapter

By Donald M. Mattox
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001289
EISBN: 978-1-62708-170-2
... by bombardment is in the form of desorption of volatile materials (“ion scrubbing”). For reactive gases such as hydrogen or oxygen, the cleaning is in the form of reaction with contaminants such as hydrocarbons and desorption of volatile reaction products such as CO or CH 3 . Energetic reactive ions...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0006515
EISBN: 978-1-62708-200-6
... high performance HPLC high-performance liquid chromatography HPSN hot-pressed silicon nitride HR Rockwell hardness (requires a scale designation, such as HRC for Rockwell C hardness) H-SB-BL hydrogenated styrene-butadiene block copolymers HV Vickers hardness...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001278
EISBN: 978-1-62708-170-2
... also build viscosity by increasing molecular weight and hydrogen bonding. The higher molecular weight is a key factor in the durability and appearance of the coatings. However, Piccirilli et al. ( Ref 23 ) have shown that polyesters alone can be made suitable for elastomeric coatings. The polyesters...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001229
EISBN: 978-1-62708-170-2
... spray resulting from hydrogen that forms when acid attacks steel Lower acid consumption Minimize the risk of hydrogen embrittlement When used at appropriate concentrations, inhibitors should not appreciably affect the rate of scale or rust removal. A number of additives have been used in...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006652
EISBN: 978-1-62708-213-6
... stub for TEM or scanning electron microscopy characterization, followed by image analysis. The nitrogen content could be determined after drying with combustion analysis (carbon-hydrogen-nitrogen analysis). The silica nanoparticle loading could be determined in several ways: by ICP-MS analysis of the...