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chemical cleanliness

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Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006421
EISBN: 978-1-62708-192-4
... Abstract Lasers evolved as a versatile materials processing tool due to their advantages such as rapid, reproducible processing, chemical cleanliness, ability to handle variety of materials, and suitability for automation. This article focuses on state-of-the-art laser applications to improve...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005340
EISBN: 978-1-62708-187-0
... Abstract Several qualitative, semiquantitative, and quantitative tests are available to estimate and control metal cleanliness, particularly inclusion concentration of aluminum alloys. This article provides a description of a few of the metal cleanliness assessment techniques, such as chemical...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006016
EISBN: 978-1-62708-172-6
..., and chemical contaminants. When inspecting concrete prior to coating installation, three areas of concern exist: surface roughness, moisture content in concrete, and acidity/alkalinity of the surface. The article provides information on the industry standards for assessing surface cleanliness. It details...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005777
EISBN: 978-1-62708-165-8
... are chemical cleaning methods. The electrochemical cleaning methods include electropolishing, electrolytic alkaline cleaning, and electrolytic pickling. The article provides information on cleanliness measurement methods such as qualitative tests and quantitative tests to ensure product quality. Health hazards...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006024
EISBN: 978-1-62708-172-6
... Abstract This article reviews the steps involved in presurface-preparation inspection: substrate replacement; removal of weld spatter, rounding of sharp edges, and grinding of slivers/laminations; and removal of rust scale, grease, oil, and chemical (soluble salt) contamination. It focuses...
Image
Published: 30 November 2018
reaction that occurs in each process, assure the cleanliness of the surface going into the next reaction, and limit dragout from the preceding chemical tank. More
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
...- and ultrahigh-pressure waterjetting prior to recoating. Visual standard: SSPC-SP4/NACE 7. Photos depict degrees of cleanliness and flash rusting (c) . Mechanical, chemical, or thermal preparation of concrete SSPC-SP13; NACE 6 Prepares cementitious surfaces for bonded protective coating or lining systems...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005300
EISBN: 978-1-62708-187-0
..., and inclusions. While the existing types of inclusion material that would be present in melting and holding furnaces and/or transfer ladles will vary from foundry to foundry, their removal is essential for proper molten metal cleanliness. A number of commercially accepted melt treatment techniques are being...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004108
EISBN: 978-1-62708-184-9
.... Photos depict degrees of cleanliness and flash rusting (c) Mechanical, chemical, or thermal preparation of concrete SSPC-SP13; NACE 6 Prepares cementitious surfaces for bonded protective coating or lining systems Industrial blast cleaning SSPC-SP14; NACE 8 Used to clean painted or unpainted...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003099
EISBN: 978-1-62708-199-3
.... These include standard bearing steels, such as high-carbon bearing steels and carburizing bearing steels; and special-purpose bearing steels, such as high-temperature service bearing steels and corrosion-resistant bearing steels. chemical composition rolling-element bearings special-purpose bearing...
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
... Abstract Maintenance coating is an important part of any meaningful asset-preservation strategy in facilities producing pulp and paper and other chemicals. This article discusses maintenance coating for carbon steel structures and process equipment exposed to normal external pulp and paper mill...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001226
EISBN: 978-1-62708-170-2
... of surface cleaning chemicals is contained in the article “Environmental Regulation of Surface Engineering” in this Volume. The article “Vapor Degreasing Alternatives” in this Volume includes descriptions of cleaning systems (some using ultrasonics) that have been designed to meet regulatory requirements...
Book Chapter

Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005202
EISBN: 978-1-62708-187-0
... Abstract The vacuum arc remelting (VAR) process is widely used to improve the cleanliness and refine the structure of standard air melted or vacuum induction melted (VIM) ingots. It is also used in the triplex production of superalloys. This article illustrates the VAR process...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001453
EISBN: 978-1-62708-173-3
..., then additional chemical cleanings should be employed. Once vapor degreasing is accomplished, care must be taken to maintain the surface cleanliness of the brazed components by handling in an environmentally clean atmosphere. Additional methods of chemical cleaning to remove oxides and other adherent metallic...
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...
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
... the methods for maintaining process chemical concentrations. Rinse Water Quality The quality of the rinse water has a significant impact on the cleanliness of the part. Tap water will effectively rinse a surface but often will leave a residue that has nothing to do with the cleaner used. The type...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006130
EISBN: 978-1-62708-175-7
... Abstract This article is a comprehensive collection of tables that list the nominal chemical composition of common powder metallurgy (PM) high-alloy tool steels, namely, PM high-speed, cold working, and corrosion-resistant tool steels. chemical composition cold working tool steel...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003434
EISBN: 978-1-62708-195-5
.... References References 1. Ou J. , Quality in Composite Sandwich Fabrication , Masters Thesis, Dept. Of Chemical Engineering, Massachusetts Institute of Technology , May 1994 2. “Airborne Particulate Cleanliness Classes in Cleanrooms and Clean Zones” , FED-STD- 209E, Department...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006054
EISBN: 978-1-62708-175-7
... to 1380 °F). Brazing temperature should be kept sufficiently low so the superhard tool material does not convert to its soft, hexagonal form. Mating surfaces should be adequately prepared and surface cleanliness should be given special attention to ensure successful brazing. Fig. 4 Schematic...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005200
EISBN: 978-1-62708-187-0
... is taken after all additions are complete. Based on the analysis of this sample, trim additions are made to bring the melt into a very precise compositional range. Because there are no ongoing chemical changes in the melting, as there are in EAF/AOD, the compositional requirements of a melt may be met...