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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
.... inorganic 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...
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
... in the inorganic binders and modern hot-air-cured sodium silicate systems appear to have addressed some of the shakeout and reclaimability issues, promising a bright future again in cast iron applications ( Ref 11 , 13 , 29 , 30 ). Cement Molding Cement molding is the oldest chemically bonded inorganic...
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: 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 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. Vinyl...
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
... 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 of setting. Sand...
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
... and fines resistance (b) Flow ability (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...
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: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003693
EISBN: 978-1-62708-182-5
..., the inorganic zinc- rich coatings are more widely 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...
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
... side by side with other powder coatings. Separate powder booths and air are a must in an enclosed area to avoid contamination. Any contamination will result in craters in the finish of parts having the other powder chemistries. Powders based on this binder system give excellent performance...
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 Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006056
EISBN: 978-1-62708-175-7
... Method 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...
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
..., loose wood pattern with very limited accuracy. 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...
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...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005255
EISBN: 978-1-62708-187-0
... as a pneumatic unit with a closed, heated reservoir tank that is equipped with a thermostat, pressure regulator, heated valve, and nozzle and is connected to the shop air line for pressurization. A small die is held against the nozzle with one hand while the valve is operated with the other. Such machines...
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
... vehicle and binder are often used synonymously. A problem with many of the organic solvents used in coating formulations or added as thinners in the field is that, after evaporating from the coating film into the air, they can react with nitrogen oxides and carbon monoxide in the presence...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003052
EISBN: 978-1-62708-200-6
... for castables Japan, United States, France, and United Kingdom Phosphoric acid … Permanent bond for low-temperature fired (400 °C, or 750 °F) refractories Commodity chemicals Sodium silicate … Air-setting bond for mortars Commodity chemical Tars/pitches … Bonding systems for carbon-containing...
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...
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: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003692
EISBN: 978-1-62708-182-5
... monomers are widely used for coating such home appliances as refrigerators, washing machines, dryers, dishwashers, freezers, and air conditioners. The coatings have excellent adhesion and detergent resistance, and they have short curing times at relatively low curing temperatures. The major advantages...