1-20 of 421 Search Results for

moisture diffusivity

Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
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
..., thermal 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...
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
... • Roy S. , Modeling of Anomalous Moisture Diffusion in Polymer Composites: A Finite Element Approach , J. Compos. Mater. , Vol 33 ( No. 14 ), 1999 , p 1318 – 1343 • Shimokawa T. , Hamaguchi Y. , and Katoh H. , Effect of Moisture Absorption on Hot/Wet Compressive Strength...
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
... temperature; thermal conductivity, diffusivity, and specific heat. Selected References Selected References • Cairns D.S. and Adams D.F. , “Moisture and Thermal Expansion of Composite Materials,” Report UWME-DR-101-104-1, Composite Material Research Group, University of Wyoming , Nov...
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
... Extensional-shear coupling and Poisson's ratio Fig. 8 Thermally induced loads Fig. 9 Thermal expansion coefficients for high-modulus graphite-epoxy system, [±θ] s Fig. 10 Effects of moisture and temperature on lamina stiffness measured at room temperature Fig. 11...
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
...). Includes complete MIL-17 database None, but database supports fiber and matrix properties Lamina: constitutive matrices, stress/strain, failure (max stress, max strain, Tsai-Wu); no engineering constants.Laminate: constitutive matrices, stress/strain, moisture diffusion, free edge effects, plate...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003440
EISBN: 978-1-62708-195-5
... of moisture from the surrounding environment. The physical mechanism for moisture gain, assuming there are no cracks or other wicking paths, is generally assumed to be mass diffusion following Fick's law, the moisture analog to thermal diffusion. While material surfaces in direct contact with the environment...
Book Chapter

Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003280
EISBN: 978-1-62708-176-4
...: Temperature and Humidity Effects , Reliability in Microelectronics , MRS Proc., Spring meeting , 1999 59. Xu G. , Mates T. , and Clarke D.R. , Moisture Diffusivity Measurement along SiO 2 /TiN Interface Using Secondary Ion Mass Spectroscopy (SIMS) , Reliability in Microelectronics...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003453
EISBN: 978-1-62708-195-5
...” The void volume, according to ASTM D 2734, “Test Method for Void Content of Reinforced Plastics” Moisture diffusivity and absorption or desorption properties, according to ASTM D 5229, “Test Method for Moisture Absorption Properties and Equilibrium Conditioning of Polymer Matrix Composite Materials...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003457
EISBN: 978-1-62708-195-5
... concentration Chemical degradation models Effect of matrix cracking Hygrothermal degradation Exposure temperature Moisture concentration Heating rate Moisture diffusion models Increase exposure temperature Increase moisture content Cycle moisture sorption Effect of moisture on residual stresses...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003462
EISBN: 978-1-62708-195-5
... at the individual ply level provide the greatest level of detailed information. This method basically predicts materials properties by modeling the composite as a plate built up from individual plies. The calculated properties may include the effect of hygrothermal expansion, moisture diffusivity, and density...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006050
EISBN: 978-1-62708-172-6
..., but if the vapor diffusion is expected to be from the inside space to the exterior, the coating should also have a higher perm rating. Additional information on wall design considerations, moisture considerations, and coating system challenges in masonry buildings is provided as follows. The design...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004170
EISBN: 978-1-62708-184-9
... plastic or polymeric packages by several orders of magnitude. The water molecules are small in size (with a diameter of 0.34 nm) and can diffuse through very small openings such as pores and cracks commonly found in plastic and polymeric materials. Figure 8 illustrates the time scale for moisture...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001405
EISBN: 978-1-62708-173-3
... summarize the importance of moisture in a submerged arc flux on the cracking sensitivity of a Soviet weld metal that has a yield strength of 830 MPa (120 ksi). It demonstrates that diffusible hydrogen levels as low as 7 mL/100 g can drop the critical strength to 105 MPa (15 ksi). (Note that a hydrogen...
Book Chapter

By Bruce Craig
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003634
EISBN: 978-1-62708-182-5
... Internal diffusion to stress concentration Surface or subsurface processes Carbon diffusion (decarburization); hydrogen diffusion; nucleation and growth (bubble formation) Hydrogen diffusion; nucleation and growth of bubble; steam formation Hydrogen diffusion to voids Unknown Adsorption...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005672
EISBN: 978-1-62708-198-6
... upon exposure to absorbed atmospheric moisture. The reaction rate is slower, especially in thick bond lines, because it is controlled by the diffusion of water. Caution should be taken in the packaging and storage of moisture-cured polyurethane adhesives. Polyurethane adhesives exhibit good...
Series: ASM Handbook Archive
Volume: 10
Publisher: ASM International
Published: 01 January 1986
DOI: 10.31399/asm.hb.v10.a0001747
EISBN: 978-1-62708-178-8
... hydrogen will continue to diffuse from the material at ambient temperatures, the sample must never be overheated and should be handled at reduced temperatures. Hydrogen in some materials, such as titanium, is compounded into many hydride forms. These materials may require addition of a tin flux to help...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003688
EISBN: 978-1-62708-182-5
... of the diffusion reaction between the steel surface and the molten coating metal. It is very important that this reaction take place across the entire surface area of the steel sheet. The intermetallic-bond layer has several important features. The inherent nature of the alloy layer formed on all hot-dip...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003482
EISBN: 978-1-62708-195-5
... It should be noted that in a number of situations, the method of wrapping has also been used to protect and retard corrosion of steel reinforcement. In addition to the protection afforded by the composites as a barrier to moisture diffusion and penetration, the added confinement also assists in resisting...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004172
EISBN: 978-1-62708-184-9
... and tin-lead alloys that are susceptible to corrosion. This article focuses on the key factors contributing to corrosion of electronic components, namely, chemicals (salts containing halides, sulfides, acids, and alkalis), temperature, air (polluted air), moisture, contact between dissimilar metals...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004168
EISBN: 978-1-62708-184-9
..., the moisture content is generally not as dynamic, so diffusion is normally the dominant transport mechanism. Figure 6 shows a typical profile of chloride ion concentration as a function of depth into atmospherically exposed concrete. Note how capillary action dominates near the surface and, as shown, how...