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Why ultrasonic frequency more than 3MHz cannot be produced by magnetostriction generator?
Ultrasonic frequencies above 3 MHz cannot effectively be produced by magnetostrictive generators due to the limitations in the magnetostrictive materials and their mechanical properties. At higher frequencies, the energy losses due to internal damping and material imperfections increase, making efficient transduction difficult. Additionally, the physical size and design constraints of the magnetostrictive elements often limit their operational frequency range, resulting in diminished performance beyond this threshold. Consequently, alternative transduction methods, such as piezoelectric transducers, are typically employed for higher frequency applications.
What uses do smart materials have?
Electroactive * Piezoelectric Materials * Ionic Polymers * Magneto/Electro-Rhological Fluids Thermo-Active * Shape-Memory Alloys Magneto-Active * Magneto/Electro-Rhological Fluids * Magnetostrictive Materials
What are Ultrasonics?
Ultrasonic scalers are used to remove calculus rapidly from the tooth surface. The scaling tip vibrates in the ultrasonicrange of 20-45 kHz (i.e. 20,000 to 45,000 times per second), with an optimum frequency between 18 kHz and 32kHz. Most of the scaling power is available at the tip, which is cooled with a jet of water. There are three basic types - magnetostrictive, piezo-electric and Odontoson™. The scaling tip vibrates and follows a pattern depending on power rating and type - elliptical, curved linear or figure of 8. The water is energised as it passes over the tip to provide cavitation, which results in a scouring action. Because of the heat generated at the tip, it is essential to keep the tip moving over the teeth.
What is the use of acetal?
dilute ethanoic acid is used as a preservative in the preparation of pickles.it is used for making cellulose acetate which is an important artificial fibre.it is used in the manufacture of acetone and esters used in perfumes.it is used in the preparation of dyes.it is used to coaggulate rubber from latex.it is used for making white lead which is used as a white paint.it is used as a chemical reagent in chemistry lab.
How is visible light used in photography?
In much the same way as sound is used in music, food is used in cooking, and soil is used in agriculture.
What is a guided wave ndt equipment?
A guided wave ndt equipment is that equipment used to perform Guided Wave Nondestructive Testing. Most equipments are based on piezoelectric or magnetostrictive collars.
What has the author Fabian Charles Monds written?
Fabian Charles Monds has written: 'The performance and applications of a magnetostrictive delay line device'
What is magnetostrictive oscillator?
An oscillator whose frequency is controlled by a magnetostrictive element.Magnetostriction is a property of ferromagnetic materials that causes them to change their shape when subjected to a magnetic field. http://en.wikipedia.org/wiki/Magnetostriction ~MECHASUN~
What is the use of transistor in magnetostriction method?
In the magnetostriction method, transistors are commonly used as amplifiers or switches to control the electrical signals associated with the magnetostrictive material. They help modulate the current flowing through the magnetostrictive element, allowing for precise control of its deformation in response to magnetic fields. This enables the generation of ultrasonic waves or other mechanical vibrations, which can be utilized in various applications such as sensors, actuators, and non-destructive testing. Overall, transistors enhance the efficiency and functionality of magnetostriction-based devices.
What is magnetostriction for producing ultrasonics?
Magnetostriction is a property of certain materials that causes them to change shape when exposed to a magnetic field. This mechanical deformation can be used in magnetostrictive transducers to generate ultrasonic waves by converting electrical energy into mechanical vibrations. As the material expands and contracts due to the alternating magnetic field, it creates ultrasonic waves that can be used for various applications such as ultrasonic cleaning or medical imaging.
What are some the common uses of Terbium?
Terbium is commonly used in fluorescent lamps and phosphors for electronic displays. It is also used in certain types of lasers, as well as in nuclear reactors as a neutron absorber. Additionally, terbium is used in some electronic devices as a component of magnetostrictive alloys.
What has the author Inseob Hahn written?
Inseob Hahn has written: 'A new superfluid leak tight low temperature valve using a magnetostrictive actuator' -- subject(s): Actuators, Magnetic fields, Low temperature, Magnetostriction, Valves
What is a computer memory chip and its function?
A computer memory chip is the device that replaced (in the early 1970s) the magnetic core memory in computers (that had been used since the early 1950s). Magnetic core memory replaced a variety of other forms of memory (e.g. Williams tube CRT memory, selectron tube memory, flood gun CRT memory, mercury delay line memory, magnetostrictive delay line memory, rotating magnetic drum memory, long shift register memory) used by earlier computers. Computer memory (of any type) serves the function of storing instructions and data inside the computer that it will need frequent and rapid access to.
What uses do smart materials have?
Electroactive * Piezoelectric Materials * Ionic Polymers * Magneto/Electro-Rhological Fluids Thermo-Active * Shape-Memory Alloys Magneto-Active * Magneto/Electro-Rhological Fluids * Magnetostrictive Materials
What are ultrasonic scalersdentistry?
Ultrasonic scalers are used to remove calculus rapidly from the tooth surface. The scaling tip vibrates in the ultrasonicrange of 20-45 kHz (i.e. 20,000 to 45,000 times per second), with an optimum frequency between 18 kHz and 32kHz. Most of the scaling power is available at the tip, which is cooled with a jet of water. There are three basic types - magnetostrictive, piezo-electric and Odontoson™. The scaling tip vibrates and follows a pattern depending on power rating and type - elliptical, curved linear or figure of 8. The water is energised as it passes over the tip to provide cavitation, which results in a scouring action. Because of the heat generated at the tip, it is essential to keep the tip moving over the teeth.
What is dysprosium used for?
AnswerDysprosium is a silver-white metallic element with anatomic number 66 - it is among the most magnetic of all known substances and has a great capacity to absorb neutrons.also the uses of Dysprosium are... nuclear reactions
What are Ultrasonics?
Ultrasonic scalers are used to remove calculus rapidly from the tooth surface. The scaling tip vibrates in the ultrasonicrange of 20-45 kHz (i.e. 20,000 to 45,000 times per second), with an optimum frequency between 18 kHz and 32kHz. Most of the scaling power is available at the tip, which is cooled with a jet of water. There are three basic types - magnetostrictive, piezo-electric and Odontoson™. The scaling tip vibrates and follows a pattern depending on power rating and type - elliptical, curved linear or figure of 8. The water is energised as it passes over the tip to provide cavitation, which results in a scouring action. Because of the heat generated at the tip, it is essential to keep the tip moving over the teeth.
