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Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003694
EISBN: 978-1-62708-182-5
... of visible contaminants, removal of invisible contaminants, and roughening of the surface. Solvent or chemical washing, steam cleaning, hand tool cleaning, power tool cleaning, water blasting, and abrasive blast cleaning, are some preparation methods discussed. The article describes the most common...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003052
EISBN: 978-1-62708-200-6
...-phase reactions, filtration and washing, and powder recovery techniques. It concludes with a discussion on characterization, centering on size distribution analysis, specific surface area, density, porosity chemical composition, phase, and surface composition. ceramic powders ceramic processing...
Book Chapter

Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005243
EISBN: 978-1-62708-187-0
... and expansion defects. It considers a variety of sand reclamation systems, including wet washing/scrubbing and thermal-calcining/thermal-dry scrubbing combinations. chemically bonded sand molding green sand molding molding equipment flask molds flaskless molds springback expansion defects sand...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001324
EISBN: 978-1-62708-170-2
... and rinse water to drain away when the parts are removed from the tank. If these fluids do not drain away properly, it could lead to corrosion of ferrous metals and excessive depletion of the cleaning chemical from the wash tank. The proper racking of parts will help to eliminate this possibility...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004172
EISBN: 978-1-62708-184-9
.... This article focuses on the key factors contributing to corrosion of electronic components, namely, chemicals (salts containing halides, sulfides, acids, and alkalis), temperature, air (polluted air), moisture, contact between dissimilar metals in a wet condition, applied potential differences, and stress...
Book Chapter

By J.R. Keough
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005820
EISBN: 978-1-62708-165-8
... and operation of salt quenching including considerations of time, temperature, environment, and safety, as well as critical characteristics such as the composition of the quenchant, agitation, and water additions. chemical analysis environmental safety salt quenching THE USE OF MOLTEN SALTS...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006007
EISBN: 978-1-62708-172-6
... with excellent adhesion and a tough finish resistant to abrasion, chemical degradation, and soil-stress damage. It is a 100% solids system with no solvents. The FBE coatings are formulated specifically to meet the needs of the various markets, because physical and performance requirements are different...
Book Chapter

Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005354
EISBN: 978-1-62708-187-0
....” Additional information on the types of organic and inorganic no-bake systems is also provided in the article “Aggregates and Binders for Expendable Molds” in this Volume. No-Bake Sand Processing Refractory Coatings for Chemically Bonded Sands Refractory coatings or washes are often necessary...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001373
EISBN: 978-1-62708-173-3
... structures that are present in thermite welds depend on the chemical composition of the weld metal and on the cooling rate of the joint after pouring is completed. Figure 1 shows a typical macrostructure of a carbon steel rail thermite weld and the microstructure of the fusion zone, the fusion line...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004158
EISBN: 978-1-62708-184-9
... ). On older units with uncooled turbin blades and vanes, abrasive blasting using crushed nutshells or other media is sometimes used. Water washing is the primary method of compressor cleaning in most industrial gas turbines and can be performed either off-line or online. Online washing usually employs just...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003231
EISBN: 978-1-62708-199-3
... INSPECTION is a nondestructive method used to find discontinuities that are open to the surface of solid, essentially nonporous materials. Indications of flaws can be found regardless of the size, configuration, internal structure, and chemical composition of the workpiece being inspected, as well as flaw...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006062
EISBN: 978-1-62708-172-6
..., to strongly alkaline chemical digestion. Washing, bleaching, and refining of the fibrous product involves a variety of processes and environments. These environments may have a pH in the range from 2 to 12; they may be strongly oxidizing or reducing, hot or cold. Sheet-making operations (paper or board) have...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006504
EISBN: 978-1-62708-207-5
... varieties of applications of such products. It describes the two main categories of cleaning that can be used with most any metal, namely, mechanical cleaning and chemical cleaning. The article provides a discussion on the laboratory evaluation of cleaners, field testing of cleaners, and cleaner types...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003819
EISBN: 978-1-62708-183-2
... or accelerating corrosion: galvanic coupling, differential aeration, alkalinity, and stray currents. The resistance of lead and lead alloys to corrosion by a wide variety of chemicals is attributed to the polarization of local anodes caused by the formation of a relatively insoluble surface film of lead corrosion...
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
... with the chemical and physical action of the cleaning solution. Spray washing machines are usually engineered to a particular installation. Part, size, volume, time necessary to clean and rinse, and subsequent operations are factors that influence individual machine design. Many machines provide for more than...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006440
EISBN: 978-1-62708-190-0
... methods. It can be used to process workpieces quickly and efficiently. It is important, however, that the washing operation be carefully controlled because water-washable penetrants are susceptible to overwashing. The essential operations involved in this method are illustrated schematically in Fig. 7...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006014
EISBN: 978-1-62708-172-6
... be prepared for painting by application of a wash primer or chemical treatment or by brush-off blast cleaning. Wash Primer One option for surface preparation consists of applying a wash primer to the cleaned galvanized surface. Wash primers typically are vinyl-butyral-based materials that acid etch...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006006
EISBN: 978-1-62708-172-6
... brought into play to protect that surface, ranging from a simple 1 mil vinyl wash primer applied over a nonprepared, as-manufactured surface to sophisticated multicoat epoxy systems that parallel interior coating systems in moisture and chemical resistance. Some types of insulation known to harbor...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003748
EISBN: 978-1-62708-177-1
... by dipping in boiling 4% aq. H 2 SO 4 . Then, chemical polish at 70 °C (160 °F) for 1 min Pure lead 20 mL acetic acid 30 mL H 2 O 2 50 mL methanol … Pure lead, Lead alloys 75 mL acetic acid 25 mL H 2 O 2 Pour solution rapidly over sample (50 mL in 3–4 s) in a random pattern. Quickly wash...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001317
EISBN: 978-1-62708-170-2
...Abstract Abstract The chemical process being catalyzed should have a high productivity within a specified reactor volume with high reaction rates for the desired reactions and low rates for undesired reaction pathways. This article reviews the general catalyst preparation procedures, namely...