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exothermic compounds

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Published: 01 January 2022
Fig. 12.79 Application of exothermic sleeves and hot topping compounds More
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2024
DOI: 10.31399/asm.tb.phtpp.t59380039
EISBN: 978-1-62708-456-7
..., exothermic, salt, nitrogen, endothermic, ammonia, hydrogen, inert gas, and vacuum. furnace atmospheres heat treating ATMOSPHERES are widely used in a variety of processes. Depending on the heat-treating process used, furnace atmospheres may be designed to: Cleanse the surface of the product...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.pnfn.t65900219
EISBN: 978-1-62708-350-8
... Abstract Gaseous ferritic nitrocarburizing, like salt bath nitrocarburizing, involves the introduction of carbon and nitrogen into steel in order to produce a thin layer of iron carbonitride and nitrides, the "white layer" or compound layer, with an underlying diffusion zone containing...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2022
DOI: 10.31399/asm.tb.isceg.t59320217
EISBN: 978-1-62708-332-4
... of carbon in FCC (a) 2.14 1034 10 Rockwell C 40 High Pearlite Eutectoid mix of ferrite and cementite 827 20 Rockwell C 20 or BHN 250-300 High Cementite Intermetallic compound of carbon and iron 6.67 35 Brittle 550 BHN Very low (a) Unstable below eutectic temperature (727 °C...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.pht2.t51440085
EISBN: 978-1-62708-262-4
... for endothermic as well as exothermic atmosphere applications. Analyzers and associated control systems applied to a furnace should never be expected to correct deficiencies in the basic atmosphere produced by the gas generator. Instrumentation dedicated to the furnace is designed to provide information...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780343
EISBN: 978-1-62708-281-5
... affect the ultimate properties or end-use performance of a polymer. Although the compounding step introduces additional variables, they are often essential to allow processing and/or to develop specific properties that are not inherent in the virgin resin. It should be noted that the physical design...
Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.t59310001
EISBN: 978-1-62708-326-3
... and almost all organic compounds. However, metals, under normal freezing conditions, form long-range, orderly crystalline structures. Except for glasses, almost all ceramic materials form crystalline structures. Therefore, metals and ceramics are, in general, crystalline, while glasses and polymers...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060013
EISBN: 978-1-62708-261-7
... that atoms were tangible with an atomic weight , and later developed the law of multiple proportions, which states that if two elements can form more than one compound together, then the ratios of the masses of the second element that combine with a fixed mass of the first element will be ratios of a small...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870285
EISBN: 978-1-62708-314-0
...-strength, glass fiber-reinforced parts using either thermoset or thermoplastic resins. Compression molding is the single largest primary manufacturing process used for automotive composite applications today. The three main groups of materials that are compression molded are sheet molding compounds...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230055
EISBN: 978-1-62708-298-3
..., there is a complete listing of currently accepted beryllium thermodynamic data. The thermodynamic constants of beryllium and its compounds have been compiled, and from these data an attempt is made to explain the difficulties that surround the extraction of beryllium and to predict the thermodynamic conditions...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230093
EISBN: 978-1-62708-298-3
... Abstract This chapter reviews the basic chemistry of beryllium metals and compounds, including beryllium hydroxide, beryllium carbonates, beryllium fluoride, and beryllium chloride. It discusses the uses as well as application challenges of various forms of beryllium and includes information...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230117
EISBN: 978-1-62708-298-3
... Abstract This chapter discusses the synthesis of important beryllium compounds, including beryllium borides, beryllium carbide, beryllium carbonates, beryllium carboxylates, beryllium halides, beryllium hydride, beryllium hydroxide, beryllium nitrate, beryllium nitride, beryllium oxalate...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780359
EISBN: 978-1-62708-281-5
..., it is not possible to accurately state minimum concentration detection limits. However, it is generally considered that materials present within a compounded plastic resin at concentrations below 1% may be below the detection limits of the spectrometer. Given this restriction, it is likely that most major...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.pht2.t51440141
EISBN: 978-1-62708-262-4
... compounds 480–590 (900–1100) 125 μm–0.75 mm (5–30 mils) 50–70 Salt Diffused nitrogen, nitrogen compounds 510–565 (950–1050) 2.5 μm–0.75 mm (0.1–30 mils) 50–70 Ion Diffused nitrogen, nitrogen compounds 340–565 (650–1050) 75 μm–0.75 mm (3–30 mils) 50–70 Carbonitriding and nitrocarburizing...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780115
EISBN: 978-1-62708-281-5
... increases the processibility and thermal stability of polyvinyl chloride (PVC). Copolymerization of acrylonitrile with styrene increases the T g . Plasticizers are low-molecular-weight compounds that are often compounded into high-molecular-weight polymers to improve processibility, impact strength...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290009
EISBN: 978-1-62708-319-5
... powders: In such mixtures as copper and tin, the bulk chemistry tests as bronze, but each particle is either pure copper or pure tin. A mixture of elemental iron powder with a prealloyed composition can be mixed to result in a final stainless steel composition (17-4 PH, 316L). Compound or alloy...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780159
EISBN: 978-1-62708-281-5
... have processing, performance, and cost limitations. The second method is generally more cost effective. Flame-retardant additives include antimony trioxide, chlorine and bromine compounds, phosphorus compounds, and aluminum trihydrate ( Ref 3 ). Fire-resistant engineering plastics and elastomers...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280135
EISBN: 978-1-62708-267-9
...) in nitrogen Miscellaneous Contaminants All exposed surfaces of heat-resisting alloy parts should be kept free of dirt, fingerprints, oil, grease, forming compounds, lubricants, and scale. Lubricants or fuel oils that contain sulfur-bearing compounds are particularly active in corroding the metal...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2007
DOI: 10.31399/asm.tb.pmsspmp.t52000223
EISBN: 978-1-62708-312-6
... decomposition of a metal carbonyl geneous sintered material that gives solid compound such as nickel tetracarbonyl coherence to the other phase(s) present. Ni(CO)4 or iron pentacarbonyl Fe(CO)5. binder removal. The chemical or thermal extraction of the binder from a compact. charge. The powder fed into a die...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2012
DOI: 10.31399/asm.tb.pdub.t53420239
EISBN: 978-1-62708-310-2
... sample temperature rises temporarily above that of the reference sample, resulting in an exothermic peak. Conversely, a transition accompanied by absorption of heat reduces the temperature of the test sample compared to that of the reference sample, leading to an endothermic peak. For example...