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thermosetting precursor

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Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003373
EISBN: 978-1-62708-195-5
... precursors, namely, thermoplastic, thermosetting, and evaporative or solvent carriers. It provides a description of the advantages and limitations of various methods involved in chemical vapor infiltration. The article concludes with a discussion on matrix contribution to composite properties. carbon...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003031
EISBN: 978-1-62708-200-6
... is mined in Brazil and made into precursor rods in France. Quartz fibers contain 99.95% silica but have a density of 2.25 g/cm 3 , only somewhat less than that of fiberglass. Because both high-silica glass, with a tensile strength of 180 MPa (26 ksi), and quartz, at 900 MPa (130 ksi), are both much weaker...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003441
EISBN: 978-1-62708-195-5
... materials used for thermoset and thermoplastic resin matrices. It reviews the identification of the individual characteristics of thermoset and thermoplastic resin along with the test methods normally used for their determination. The article contains a table that lists properties and tests for uncured...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003019
EISBN: 978-1-62708-200-6
... Abstract The compression molding process is most commonly called the sheet molding compound (SMC) process in reference to the precursor sheet molding compound material it uses. This article discusses the types of materials used for sheet manufacture, and describes the manufacturing...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003487
EISBN: 978-1-62708-195-5
... of an experimental or thermosetting type, in the form of a thin lm ment for an interval of time. calculated value to an accepted recognized of resin, used under heat and pressure as an air-bubble void. Air entrapment within and be- standard or speci ed value. Compare with interleaf in the production of bonded struc...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003014
EISBN: 978-1-62708-200-6
... Abstract Injection molding is a process of forcing or injecting a fluid plastic material into a closed mold. The process generally has the advantages of being more readily automated and of permitting finer part details. Injection-molding compounds are thermoplastic or thermosetting materials...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006935
EISBN: 978-1-62708-395-9
... and tend to line up in the direction of flow. Molecules in thermoplastic polymers are much longer than those in the unreacted liquid resin precursors to thermosets. The orientation effect in thermoplastics melt flow, such as occurs in injection molding, is much greater than that which occurs...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005728
EISBN: 978-1-62708-171-9
... information on how the materials themselves respond to the various test methods. The article focuses on the test methods themselves, including those test parameters that can be varied and the influence of each on the results obtained. coating characterization coating testing liquid precursor plasma...
Book

Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.9781627081955
EISBN: 978-1-62708-195-5
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003064
EISBN: 978-1-62708-200-6
... Impregnants The two general categories of matrix precursors used for carbon-carbon densification are thermosetting resins, such as phenolics and furfurals, and pitches based on coal tar and petroleum. The thermosetting resins polymerize to form cross-linked, infusible solids. As a result of pyrolysis...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.9781627083959
EISBN: 978-1-62708-395-9
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003402
EISBN: 978-1-62708-195-5
... (advanced thermoset manufacturing methods): resin flows through stationary fiber network. Examples are liquid composite molding, thermoset pultrusion, filament winding, and autoclave. Short-Fiber Suspension Manufacturing Methods Short-fiber suspension manufacturing methods consist of manufacturing...
Book Chapter

Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003541
EISBN: 978-1-62708-180-1
... themselves into an orderly structure. In general, simple polymers (with little or no side branching) crystallize very easily. Crystallization is inhibited in heavily cross-linked (thermoset) polymers and in polymers containing bulky side groups. There are three categories of polymers: thermoplastics...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006865
EISBN: 978-1-62708-395-9
... structure. In general, polymers that have a reasonably regularly ordered chain structure and little or no side branching will crystallize under suitable conditions. Crystallization is inhibited in heavily cross-linked (thermoset) polymers and in polymers that contain bulky side groups. There are three...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003005
EISBN: 978-1-62708-200-6
... (grade A ingot) 1.36 2.38 Magnesium (ingot) 0.29 0.51 Brass (ingot) 1.25 2.18 Mild steel (sheet) 0.27 0.47 Amino resin thermoset 0.85 1.49 Nylon 6/6 0.25 0.44 Aluminum (ingot) 0.78 1.37 Aluminum (ingot) 0.21 0.37 Phenolic thermoset 0.75 1.31 PMMA 0.19 0.33 Silicon...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003422
EISBN: 978-1-62708-195-5
... Precursor Impregnants The two general categories of matrix precursors used for carbon-carbon densification are thermosetting resins, such as phenolics and furfurals, and pitches based on coal tar and petroleum. The thermosetting resins polymerize to form cross- linked, infusible solids. As a result...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003350
EISBN: 978-1-62708-195-5
..., including high chemical inertness, high shear strength, and good property retention at high temperatures. Early work on sintered aluminum powder was a precursor to discontinuously reinforced MMCs. The development of high-strength monofilaments—first boron and then silicon carbide (SiC)—enabled significant...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002460
EISBN: 978-1-62708-194-8
... shape (the near-net-shape powder processing operation is a plus) or when the resulting properties warrant the additional cost. Thermoplastics are often fabricated in ways similar to those used to fabricate metals. Precursor polymer powders are heated to a temperature at which they flow viscously...
Book Chapter

Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003364
EISBN: 978-1-62708-195-5
... temperature applications BISMALEIMIDE (BMI) RESINS are a relatively young class of thermosetting polymers that are gaining acceptance by industry because they combine a number of unique features including excellent physical property retention at elevated temperatures and in wet environments, almost...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003365
EISBN: 978-1-62708-195-5
... Abstract This article discusses the properties and applications of two types of polyimide resins: condensation polyimides and addition-type polyimides. It describes the chemistry of condensation-type polyimides during synthesis, processing of polyamide acid precursor solution to polyimide...