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dielectric properties

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Published: 01 November 1995
Fig. 33 Dielectric properties of Pb(Mg 0.33 Nb 0.67 )O 3 More
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Published: 01 November 1995
Fig. 1 Techniques for measuring dielectric properties More
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003026
EISBN: 978-1-62708-200-6
... methods used to determine the following dielectric properties of plastics: dielectric breakdown voltage, dielectric strength, dielectric constant, dissipation factor, arc tracking resistance, insulation resistance, volume, and surface resistivity or conductivity. The test specifications and conditions...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003001
EISBN: 978-1-62708-200-6
... Abstract This article is a collection of tables that present information on the physical properties of periodic table elements, and maximum service temperatures, dielectric constants and typical dielectric properties of selected nonmetallic materials. dielectric constants dielectric...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005736
EISBN: 978-1-62708-171-9
... Abstract Thermal spray processes involve complete or partial melting of a feedstock material in a high-temperature flame, and propelling and depositing the material as a coating on a substrate. This article describes the properties of sprayed electronic materials, including dielectrics...
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
... characteristics that justify their higher cost in many applications. They possess a unique balance of properties and are particularly notable for their low dielectric constant and dielectric loss, low moisture absorption, low shrinkage, and low outgassing characteristics. Despite their relatively high cost...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006475
EISBN: 978-1-62708-190-0
... for microwave reflectometry involves the inspection of bowling balls for air cavities, internal cracks, and inclusions. Material properties that affect the dielectric constant and loss factor can be nondestructively measured with microwaves, provided that the response occurs in the microwave frequency range...
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
... in a resin-dominated direction. In fiber-dominated orientations, the superior fiber stiffness controls the composite stiffness and masks the effect of the resin. Dielectric Analysis Dielectric analysis measures dielectric properties of a material as a function of temperature, time, and frequency under...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003375
EISBN: 978-1-62708-195-5
..., and relatively low cost. Polyimide resin is much more expensive than phenolic resin, but provides high-temperature resistance and low dielectric properties. Epoxy resin, also relatively expensive, is used in specialty applications, such as satellites. Each honeycomb material provides certain properties...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003007
EISBN: 978-1-62708-200-6
... Properties Plastics have insulating and dielectric properties that make them ideal for many electrical and electronic applications. The environment for these types of applications might include such factors as high-voltage differences, electrical ruptures due to high-current arcing, heat due...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006913
EISBN: 978-1-62708-395-9
.... Electrical Tests In the electrical and electronics industry, the tests explained in the following section are widely used to determine the electrical properties of insulating materials, particularly plastics. Dielectric Breakdown Voltage and Dielectric Strength For materials used in applications...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005744
EISBN: 978-1-62708-171-9
..., coatings are sealed with a silicone resin to avoid moisture absorption and subsequent changes in the dielectric properties of the as-sprayed coatings, which crystallize in the hygroscopic gamma-Al 2 O 3 phase. In other situations where the roll must be electrically conductive, plasma-sprayed Al 2 O 3 -TiO...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003049
EISBN: 978-1-62708-200-6
... insulation, low dielectric loss, impermeability to gases, high absorption of certain radiation, and tailorable properties. Compositions range from soda-lime to vanadium-phosphate glasses. Glasses for optical applications must have the appropriate index of refraction, which determines the refraction...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006915
EISBN: 978-1-62708-395-9
... distorts after a refrigerator rests on it for many years. Various combinations of springs and dashpots can more closely approximate behavior of actual materials for modeling purposes. Electrical Properties Volume and surface resistivity, the dielectric constant, dissipation factor, dielectric...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003353
EISBN: 978-1-62708-195-5
... D, dielectric Low dielectric constant Table 1 gives compositions and Table 2 gives physical and mechanical properties of commercial glass fibers. Compositions of commercial glass fibers Table 1 Compositions of commercial glass fibers Fiber Ref Composition, wt% SiO 2...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002475
EISBN: 978-1-62708-194-8
... ( Ref 7 , 8 ). Properties of the crystalline materials may be direction dependent. As already indicated above, a materials property is often temperature dependent. Fig. 1 Frequency dependency of dielectric constant for selected dielectric materials The Ohm's law equations ( Eq 1 , 2 , 3...
Book Chapter

By Tim Pepper
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003363
EISBN: 978-1-62708-195-5
... on an isophthalic polyester and a BPA fumarate as well as the influence of filler type. Electrical properties of glass-polyester composites Table 11 Electrical properties of glass-polyester composites Volume resistivity, 50% relative humidity, Ω· m 10 10 –10 12 Dielectric strength, kV/mm (kV...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003062
EISBN: 978-1-62708-200-6
... adhesion. For dielectrics, carbon residues will decrease the breakdown voltage, produce blistering bubbles and other unqualified properties, and even short the circuits. Binders for nitrogen firing include pyrolytic materials such as long chain depolymerizable compounds, which can be decomposed...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003368
EISBN: 978-1-62708-195-5
... composites fabrication structural laminates aerospace applications THERMOPLASTICS have attractive mechanical properties for many supersonic aircraft requirements and for most commercial aircraft requirements. They also offer dimensional stability and attractive dielectric characteristics. Good flame...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003032
EISBN: 978-1-62708-200-6
... the reference temperature (room temperature) and the temperature of interest. 10 −6 /K × 5 9 = μin./in. × °F Definitions of the electrical properties used as standards for comparison of resins, fibers, and resin-fiber composites are: Dielectric: An insulating medium between two...