1-20 of 24 Search Results for

piezoelectric force sensors

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
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
... Components of an atomic force microscope (AFM) stage. A mechanical structure supports both the force sensor and the xyz piezoelectric scanner. The vertical resolution of an AFM is primarily established by the rigidity of the mechanical structure. All AFMs have an xyz scanner for moving the probe...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003062
EISBN: 978-1-62708-200-6
... modulators and displays. Besides piezoelectrics, a wide range of ceramic materials have been developed as gas, oxygen, temperature, voltage, and humidity sensors. Typically, these are based on semiconducting oxides such as TiO 2 , ZnO, modified BaTiO 3 , SnO 2 , and MgCr 2 O 4 . Because many of these...
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
... of a nanometer and approximately 75 μm in diameter, respectively, and an eyelash and a drop of water have a mass of approximately 100 nN and 10 μN, respectively). Fig. 6 Principle of operation of the atomic force microscope. A sample mounted on a piezoelectric scanner is scanned against a...
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 Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006454
EISBN: 978-1-62708-190-0
... radiates out into the structure and excites a sensitive piezoelectric transducer. As the stress in the material is raised, many of these emissions are generated. Signals from one or more sensors are amplified, detected, and measured to produce data for display and interpretation. Fig. 1 Basic...
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: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006460
EISBN: 978-1-62708-190-0
... Industry 4.0 revolution. Laser-ultrasonics is a particular implementation of ultrasonic nondestructive inspection in which ultrasound is generated and detected by lasers. The piezoelectric transducer widely used in the usual or conventional inspection by ultrasound is replaced by a laser and optical...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006441
EISBN: 978-1-62708-190-0
... done mainly at Imperial College London, from approximately 1990 onward. This addressed the understanding of the modes and their interactions with defects ( Ref 13 , 14 , 15 , 16 , 17 , 19 , 20 ); the development of piezoelectric transducers ( Ref 10 ); the development of a methodology for...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006458
EISBN: 978-1-62708-190-0
... nonmagnetic and magnetic metals using inductive coupling and, specifically, without the use of a mechanical coupling medium between the transducer and the adjacent metal. The most common coupling mechanisms are the Lorentz force on induced currents (various first-principle methods of deriving Lorentz force...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006679
EISBN: 978-1-62708-213-6
... as a sensor of the working-electrode potential. Applied voltage is varied, depending on the position of the variable resistor. Fig. 10 Circuit of controlled-potential electrolysis cell for voltammetry Voltammetry involves measuring the current-voltage relationships when electroactive...
Book Chapter

By S.L. Rohde
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001288
EISBN: 978-1-62708-170-2
..., when using an rf discharge voltage, it is important to realize that the magnetron source functions as a “true” magnetron only during a portion of the voltage oscillation. Because the electric field vector varies in amplitude and direction, the forces acting on the electrons in the plasma vary during...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006478
EISBN: 978-1-62708-190-0
... kilohertz. For solid laminate material and higher-frequency inspection, it is necessary for the ultrasonic transducers and electronics to have very high sensitivity. Air-coupled UT can be performed with piezoelectric transducers or with microelectromechanical (MEM) transducers ( Ref 10 , 11 , 12 , 13...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003055
EISBN: 978-1-62708-200-6
... conventional pressing/firing 20 s Piezoelectric transducer elements 25.4 mm diameter × 5.1 mm thick with 5.1 mm square hole through Same as above 1.5 min Piezoelectric sensors 19 mm long tube with 0.45 mm wall Same as above 2.25 min Source: Ref 33 In general, the normal grinding...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003059
EISBN: 978-1-62708-200-6
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003021
EISBN: 978-1-62708-200-6
... thermoset and vulcanized rubber components can only be joined using adhesive bonding or mechanical fastening methods. Thermoplastic resins, on the other hand, can be softened as a result of the weakening of secondary van der Waals or hydrogen bonding forces between adjacent polymer chains. Therefore...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001294
EISBN: 978-1-62708-170-2
... multilayer structure. Ferroelectrics are a class of high-dielectric materials that may also be piezoelectric and pyroelectric. These materials are suitable for a wide variety of thin film electronic applications, including displays, sensors, nonvolatile random access memories, optical switches, modulators...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003052
EISBN: 978-1-62708-200-6
... SnO 2 High-purity tin dissolved in nitric acid and coprecipitated with other oxides Surface-controlled conductivity Sensors PZT (lead zirconium titanate) High-purity oxides Coprecipitated oxides High piezoelectric coefficients Change of polarization with temperature Transducers Actuators...
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
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003053
EISBN: 978-1-62708-200-6
... uniaxial direction. The process is sometimes referred to as dust pressing, die pressing, or uniaxial compaction. The compaction force is generally applied only in the vertical direction by counteracting mechanical or hydraulic rams. Complex shapes possessing multiple holes, levels, and diameters can be...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006677
EISBN: 978-1-62708-213-6
... eucentric point. In modern systems, the stage motion is controlled with high precision and with accurate readbacks through a convenient user interface. Stages often use a combination of mechanical gears and piezoelectric motors to accurately position features of interest under the beam. There are some...