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air-setting organic binders

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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
... binders organic binders air-setting organic binders gaseous catalysts liquid catalysts sodium silicates furan no-bake resins phenolic no-bake resins urethanes NO-BAKE SAND MOLDS are based on curing of inorganic or organic binders with either gaseous catalysts or liquid catalysts. Vapor-cured...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006049
EISBN: 978-1-62708-172-6
... advantages have resulted in their increased use. Organic Binders Organic zinc-rich coatings are most commonly formulated from epoxy polyamide and polyurethane binders. Alkyds have been used for some air-dry formulations, but they are most commonly used with baking formulations, notably...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003053
EISBN: 978-1-62708-200-6
..., and then final viscosity measurements are performed before de-airing and casting. Organic polymers are common slip ingredients that serve a number of functions, such as dispersants, viscosity modifiers, plasticizers, and binders (in reference to their utility for improving green body strength). Aqueous...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006297
EISBN: 978-1-62708-179-5
... as well as the consistency of the results and can be increased by various tools, for example, an air hammer. Snap or tight flasks are used, and the material and geometry of flasks can be varied depending on the type of binder system used. Both green sand and self-setting chemically bonded mixtures can...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003693
EISBN: 978-1-62708-182-5
... used. Zinc-Rich Coatings with Organic Binders Organic zinc-rich coatings are most commonly formulated from epoxy polyamide and polyurethane binders. Alkyds have been used for some air-dry formulations, but they are most commonly used with baking formulations, notably in the automotive industry...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006533
EISBN: 978-1-62708-207-5
... between the resin and MDI, forming urethane bonds that rapidly set the mixture. The catalyst controls the speed of setting. In phenolic-ester-cured systems, the binder is a low-viscosity, highly alkaline phenolic resole resin, and the hardener is a liquid organic ester, which controls the speed...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006141
EISBN: 978-1-62708-175-7
... (or strands if a die with multiple orifices is used) is cooled as they are moved forward on a belt. The cooling is often accelerated through the use of forced air being blown over the strand(s) generally through the use of multiple air knives as it is traveling forward on a belt. The cooled strands...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005242
EISBN: 978-1-62708-187-0
... (b) Air drying rate (a) Pouring smoke (a) Metals not recommended Ease of Reclaimability (b) °C °F Organic thermosetting resins   Shell processes : F (shell)   Dry blend H M L M F G H … G 260 500 F E N M …   Warm coat (solvent) H M L M...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006053
EISBN: 978-1-62708-175-7
... carbon activity in the furnace and magnetic saturation of the sintered part. Excessive carbon left behind during binder burnout can increase carbon level on sintering. The magnetic saturation of sintered parts can be reduced if powder is exposed to air or humidity for an extended length of time due...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003172
EISBN: 978-1-62708-199-3
... with clay, resins, or silicate compounds. Because sand molds are permeable, the air displaced by the metal when it enters the mold can escape through the mold. Bonded Sand Molds In bonded sand molds, the sand particles are held together with chemical bonds. The bonds that are developed must be easily...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006056
EISBN: 978-1-62708-175-7
... for Fisher Number of Metal Powders and Related Compounds Air Permeability 0.50–50 B430 – Standard Test Method for Particle Size Distribution of Refractory Metal Powders and Related Compounds by Turbidimetry Turbidimetry N/A B761 – Standard Test Method for Particle Size Distribution of Metal Powders...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006015
EISBN: 978-1-62708-172-6
... and microamperes, respectively) setting (charging by corona), resulting in too-low kilovolts and microamperes, too much powder per spray gun, and too many fine particles Poor grounding of objects Gun too far from object Blocked application equipment Too-low ejector or transport air pressure...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005249
EISBN: 978-1-62708-187-0
...), the anhydride will absorb water and will revert to the hemihydrate. Similarly, when plaster of Paris (the hemihydrate) is mixed with water, gypsum (the dihydrate) is reestablished, yielding a coherent solid in a few minutes. This reaction is termed setting. Prolonged exposure of the hemihydrate to moist air...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006051
EISBN: 978-1-62708-172-6
... and on the surface once applied. Volatile components evaporate from the coating into the air after the coating is applied to the surface. Therefore, volatile components are present in the wet film but not in the dried film of the coating. Nonvolatile components typically include the resin or binder, the pigmentation...
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
... in.); such thick films would not be possible in a paint containing volatile solvents, because the thickness of the film would prevent solvent evaporation. Paints can be classified by the type of binder or resin into categories: Air-drying oils (for example, linseed oil, alkyds) Lacquers (vinyls...
Series: ASM Handbook
Volume: 24A
Publisher: ASM International
Published: 30 June 2023
DOI: 10.31399/asm.hb.v24A.a0006960
EISBN: 978-1-62708-439-0
... and inhalation Unsafe exposure to both the powder and the binders can include ingestion and inhalation. If ingested, drink plenty of water. Do not induce vomiting. Move the affected person to fresh air. If respiratory irritation occurs, seek medical attention immediately. Recommended...
Book Chapter

Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005244
EISBN: 978-1-62708-187-0
... and to facilitate removal of the core from the casting during shakeout. Figure 1 illustrates various elements for coremaking by baking (perhaps by air-setting outside the core box). In the top row, core boxes are shown after compaction. In each of the middle and lower views, the core box has been inverted...
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
.... Sand is packed around the pattern by hand, air rammer, or sand slingeres, and the pattern is withdrawn to form the cavity for the molten metal. Much of the tolerance potential of the process is lost by molder operations that fall into the category of art rather than science. Examples include variations...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002430
EISBN: 978-1-62708-194-8
... the auspices of CABO as a joint effort of BOCA, SBCCI, and ICBO with heavy input from the American Society of Heating, Refrigerating, and Air Conditioning Engineers, Inc. (ASHRAE) and the Illuminating Engineering Society of North America (IESNA). Copies are obtainable from any CABO member. ANSI Documents...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004125
EISBN: 978-1-62708-184-9
... contain silicone binders. These silicone coatings contain aluminum flakes as pigment and are designed to withstand temperatures up to 650 °C (1200 °F). They can be applied by conventional air spray and are cured by heating to 204 °C (400 °F) for 1 h or upon reaching elevated temperatures during component...