What is magnetostriction?, Physics

Assignment Help:

 

If we have to strain a ferromagnetic crystal along certain direction, we would change the inter atomic spacing not only along this direction but also in other direction. And hence the exchange interactions between the atomic spins are also changed. This would lead to a change in the magnetization property of crystal. When an iron crystal is placed in a magnetic field along an easy direction, it gets longer along this direction but contracts in the transverse directions. The longitudinal strain $l/l along the direction of magnetization is called magnetostriction constant denoted by λ. When the crystal reaches saturation magnetization, λ also reaches saturation called saturation strain. The crystal lattice strain energy associated with magnetostriction is called magnetostrictive energy. Magnetostriction is responsible for transformer hum noise.


Related Discussions:- What is magnetostriction?

Explain newtons third law - linear motion, Explain Newtons Third Law - Line...

Explain Newtons Third Law - Linear Motion Stating that a force is just a push or a pull is a bit of a simplification.  If we exert a push or a pull on an object then the object

Explain selection of motors, Selection of motors for different Engg. applic...

Selection of motors for different Engg. application 1.  For Cement industry: Various types of motors for pumps, fans, conveyors ,crushers, kilns an mills Major mill

State perpendicular axis theorem, State perpendicular axis theorem. a) ...

State perpendicular axis theorem. a) Explain impulse-momentum principle. b) Verify the equation of motion for translation

What wavelength is formed by this pipe, An organ pipe which is open at both...

An organ pipe which is open at both ends resonates at its fundamental frequency.  Neglecting any end effects, what wavelength is formed by this pipe in this mode of vibration i

What is the electric potential due to the pair of particles, Two identical ...

Two identical particles every having a charge of 1.0 coulombs are separated by 2.0 meters. What is the electric potential because of the pair of charged particles at the point midw

What is a capacitor, Q. What is a capacitor? Define: capacitance. i) A...

Q. What is a capacitor? Define: capacitance. i) A capacitor is a apparatus for storing electric charges. ii) The capacitance of a conductor is defined like the ratio of the

..periodic table, assignment complete the following table

assignment complete the following table

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd