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moisture expansion

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Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003378
EISBN: 978-1-62708-195-5
... the development of the relations between mid-surface strains and curvatures and membrane stress and moment resultants. The article discusses the properties, such as thermal expansion, moisture expansion, and conductivity, of symmetric laminates and unsymmetric laminates. It describes the distribution...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003442
EISBN: 978-1-62708-195-5
... of thermal expansion and coefficient of moisture expansion; glass transition temperature; thermal conductivity, diffusivity, and specific heat. lamina nonmechanical testing laminate nonmechanical testing nonmechanical properties composite materials ply thickness density coefficient of thermal...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003367
EISBN: 978-1-62708-195-5
... free volume. These result in lower moisture absorption, higher diffusivity, low cure shrinkage, low coefficient of thermal expansion (CTE), and low dielectric constant and dielectric loss when compared with epoxy and bismaleimide (BMI) systems. These attributes are particularly attractive for stable...
Book Chapter

Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003377
EISBN: 978-1-62708-195-5
... expansion coefficients, moisture swelling coefficients, static and dynamic viscoelastic properties, conductivity, and moisture diffusivity. unidirectional fiber composites aligned continuous fibers analytical method physical properties elasticity thermal expansion coefficients moisture swelling...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003390
EISBN: 978-1-62708-195-5
... changes and moisture absorption can have a significant impact on composite behavior, so laminate programs should be able to handle environmental loads. Engineering constants should include laminate expansion coefficients, and stress/strain calculations should include temperature and moisture components...
Image
Published: 01 December 2008
Fig. 6 Effects of moisture content of wood and atmospheric humidity on the expansion and shrinkage of three pattern woods More
Image
Published: 01 January 2006
Fig. 7 Mollier diagram showing the low-pressure turbine steam expansion line, thermodynamic regions of impurity concentration, and corrosion mechanisms. Percent moisture lines are given. SCC, stress-corrosion cracking; CF, corrosion fatigue. Courtesy of O. Jonas, Jonas, Inc. More
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003381
EISBN: 978-1-62708-195-5
... environment has not been ensured. Absorbing moisture induces some degree of volumetric expansion, which can induce warping and other structure-performance effects similar to thermal expansion issues, in addition to the fundamental effects on the base properties of the material. While this is not commonly...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006072
EISBN: 978-1-62708-172-6
... steel below. Vehicular traffic can spray water droplets, along with debris that can be abrasive to the coating system, onto the steel above the road deck. Moisture, dirt, and debris filter through the expansion dams of the deck, collecting on structural members immediately below. Where this happens...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0005754
EISBN: 978-1-62708-195-5
... amplitude cm centimeter DTUL de ection temperature under load CMC ceramic-matrix composite e natural log base, 2.71828 to the mean stress CME coef cient of moisture expansion E electrical (designator for glass) A angstrom CMM coordinate measuring machine E modulus of elasticity; Young s modulus ABS...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004155
EISBN: 978-1-62708-184-9
... by deposition or evaporation of moisture) Insufficient pH control (in both acid and alkaline regions) High-velocity, high-turbulence, and low-pH moisture The situation is illustrated in Fig. 7 and 8 , which shows a Mollier diagram with a typical LP turbine steam expansion line, the thermodynamic...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006037
EISBN: 978-1-62708-172-6
... bonding, cracking, chemical attack, and moisture that affect the polymeric floor coatings on concrete. abrasion resistance chemical resistance coating failures physical properties polymer chemistries thermal properties POLYMERIC FLOOR COATINGS (also called polymeric flooring systems...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003432
EISBN: 978-1-62708-195-5
... ASTM D 1895 Thermal properties, including glass transition temperature, coefficient of thermal expansion, and weight loss at temperature User defined Chemical exposure to acetone, chlorinated solvents, oils, hydraulic fluids, jet fuel, body fluids, alcohol User defined Moisture effects User...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003428
EISBN: 978-1-62708-195-5
... Abstract Environmental effects of ground and flight environments, including temperature extremes, damage by chemical fluids, moisture, and so forth, affect the durability of polymer-matrix composites. This article provides information on corrosion control methods in aircraft structures...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003465
EISBN: 978-1-62708-195-5
... advancement in T g and measurement of heat of reaction. Heating rate: 10 °C/min; nitrogen gas purge (50 mL/min). Curves rescaled and shifted for readability As mentioned previously, detection of the T g by DSC may prove difficult or impossible in highly filled composites or where moisture...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003475
EISBN: 978-1-62708-195-5
... configuration with a 60% fiber volume fraction, these materials systems can offer: a near-zero CTE (∼0.0±0.1 ppm/°C), a low coefficient of moisture expansion (80–160 ppm/ %M), an in-plane tensile modulus of up to 147 GPa (21 × 10 6 psi), tensile strength as high as 450 MPa (65 ksi), and densities...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003023
EISBN: 978-1-62708-200-6
... expansion, specific heat, and the determination of glass transition temperatures. It concludes with a discussion of the thermal and related properties of nine thermostat resin systems divided into three groups by low, medium, and high service temperature capabilities. differential scanning calorimetry...
Book Chapter

By Greg Kress
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003392
EISBN: 978-1-62708-195-5
... prior to a high-temperature cure, to prevent delamination from moisture expansion. All aramid-based materials should be stored in a low-humidity environment. Fiberglass is also susceptible to moisture degradation. Common fiber finishes applied to fiberglass to promote resin adhesion are water soluble...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006011
EISBN: 978-1-62708-172-6
... containing at least two hydroxyl (alcohol) groups. This article provides a detailed account of the protective coatings used in the building, infrastructure, and architectural markets. It focuses on the various types of polyurethane coatings used in these applications: moisture-cure and two-pack aromatic...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003048
EISBN: 978-1-62708-200-6
... generalizations, because in non-load-bearing adhesive applications, a flexible “sealant-type” material is often the adhesive of choice, particularly when vibration resistance and impact strength are required or when materials with widely differing coefficients of thermal expansion need to be bonded. Functions...