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piezoelectric ceramics

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Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003062
EISBN: 978-1-62708-200-6
... electronics industry, namely, dielectric, piezoelectric, ferroelectric, sensing, magnetic and superconducting devices. advanced ceramics applications dielectric devices electric power industry electronics industry ferroelectric devices magnetic devices piezoelectric devices sensing devices...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003059
EISBN: 978-1-62708-200-6
... Abstract This article provides crystallographic and engineering data for single oxide ceramics, zirconia, silicates, mullite, spinels, perovskites, borides, carbides, silicon carbide, boron carbide, tungsten carbide, silicon-nitride ceramics, diamond, and graphite. It includes data on crystal...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003049
EISBN: 978-1-62708-200-6
..., or insulating ceramics, are generally used in the form of capacitor elements and electronic insulators. The dielectric materials can be of either bulk, thick film, or thin film form. Piezoelectrics are materials that deform upon the application of an electric field, or conversely, that develop an...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003055
EISBN: 978-1-62708-200-6
... Abstract Ceramics usually require some form of machining prior to use to meet dimensional and surface quality standards. This article focuses on abrasive machining, particularly grinding, and addresses common methods and critical process factors. It covers cylindrical, centerless, and disk...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003054
EISBN: 978-1-62708-200-6
... Abstract Sintering provides the interparticle bonding that generates the attractive forces needed to hold together the otherwise loose ceramic powder mass. It also improves hardness, strength, transparency, toughness, electrical conductivity, thermal expansion, magnetic saturation, corrosion...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003053
EISBN: 978-1-62708-200-6
... to a water-based system. Tape casting, a very specialized ceramic fabrication technique, was developed during the 1940s as a method of forming thin sheets of piezoelectric materials and capacitors ( Ref 33 ). It is used to form sheets that have large surface areas with very thin cross sections...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006471
EISBN: 978-1-62708-190-0
... transducers for ultrasonic inspection. The most common types of piezoelectric materials used for ultrasonic search units are quartz, lithium sulfate, lithium niobate, and polarized ceramics such as barium titanate, lead zirconate titanate (PZT), lead metaniobate, and piezoelectric composites...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001226
EISBN: 978-1-62708-170-2
... much smaller dents. Piezoelectric transducers are made up of several components. The ceramic (usually lead zirconate) crystal is sandwiched between two strips of tin. When voltage is applied across the strips it creates a displacement in the crystal, known as the piezoelectric effect. When these...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003052
EISBN: 978-1-62708-200-6
... Abstract This article explains how ceramic powders are made. It begins by briefly describing the raw materials used in structural clay products, whitewares, refractories, and advanced ceramics. It then examines various additives that promote uniformity at different stages of the process. After...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003005
EISBN: 978-1-62708-200-6
... materials, including ferrous alloys, nonferrous alloys, ceramics, cermets and cemented carbides, engineering plastics, polymer-matrix composites, metal-matrix composites, ceramic-matrix and carbon-carbon composites, and reviews their general property characteristics and applications. It describes the...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006466
EISBN: 978-1-62708-190-0
... defects in metals, ceramics, glasses, polymers, and composites with examples. acoustic microscopy ceramics C-mode scanning acoustic microscopy composites glasses polymers scanning acoustic microscopy scanning laser acoustic microscopy polymers THE GENERAL TERM acoustic microscopy is...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003066
EISBN: 978-1-62708-200-6
... Neoparies (b) Japan 2.7 6.2 50 7.3 … … … … … … … … (a) Former Soviet Union. (b) Composition given for white product. Table 20 Piezoelectric and pyroelectric glass-ceramics Primary phase Density, g/cm 3 Dielectric constant Tan δ Specific heat, J/cm 3 · K...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006757
EISBN: 978-1-62708-295-2
... processes involved in the selection of metallurgical samples, the preparation and examination of metallographic specimens in failure analysis, and the analysis and interpretation of microstructures. Examination and evaluation of polymers and ceramic materials in failure analysis are also briefly discussed...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006658
EISBN: 978-1-62708-213-6
... nanometers in diameter. Piezoelectric ceramics were used to control the motion of the probe relative to the sample, and a vibration-isolation system similar to that used in the scanning tunneling microscope was used. In the initial AFM instrument, vertical and horizontal resolution was a few nanometers...
Series: ASM Handbook
Volume: 4B
Publisher: ASM International
Published: 30 September 2014
DOI: 10.31399/asm.hb.v04b.a0005935
EISBN: 978-1-62708-166-5
... the frequency ranges from 0.1 Hz to 180 kHz with a receiving sensitivity of −211 dB re 1V/μPa in a wide range of working temperatures between 40 and 80 °C (100 and 180 °F). The hydrophone is a piezoelectric transducer; that is, it uses piezoelectric ceramics as sensing elements. The piezoelectric...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006633
EISBN: 978-1-62708-213-6
... distortions mainly result because of the presence of a hysteresis loop in piezoelectric ceramics. These may also result if the scan frequency approaches the upper frequency limit of the X - and Y -drive amplifiers or the upper frequency limit of the feedback loop ( z -component). In addition, electronic...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006454
EISBN: 978-1-62708-190-0
... resonant sensor is a piezoelectric ceramic (transducer) that converts movement into an electrical voltage. The ceramic is housed in a suitable enclosure with a wear plate and a connector, as shown in Fig. 6 . The ceramic is excited by acoustic motion at the surface to which the wear plate is coupled and...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003236
EISBN: 978-1-62708-199-3
... types of piezoelectric materials used for ultrasonic search units are quartz; lithium sulfate; and polarized ceramics such as barium titanate, lead zirconate titanate, and lead metaniobate. Table 1 summarizes characteristics and applications of these materials. Table 1 Characteristics and...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006438
EISBN: 978-1-62708-190-0
..., water or air immersion transducers, or laser velocimetry sensors. Guided wave ultrasound using piezoelectric, EMAT, or magnetostrictive sensors. This is a growing inspection approach because of advancement of techniques for focusing, steering, temperature, and dispersion curve compensation, and...
Series: ASM Handbook
Volume: 24
Publisher: ASM International
Published: 15 June 2020
DOI: 10.31399/asm.hb.v24.9781627082907
EISBN: 978-1-62708-290-7