Magnetic Water Treatment for Scale Prevention
The Reason Why Magnetized Water can Prevent Scale and What is Magnetic Water Treatment Used for?
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How To Magnetize A Screwdriver
Magnetizing a screwdriver can be useful in a variety of situations such as when working with small screws or when trying to retrieve screws from hard-to-reach places.
Magnet Pull Strength
The pull strength of a strong magnet is generally determined by its pull force and magnetic field strength.Generally, the pull strength of magnets will be indicated in the product parameter information of magnets. Magnet factories usually use the following two methods to identify:
Field Direction and Intensity
Determining the direction of the field is important when conducting a magnetic particle inspection because the defect must produce a significant disturbance in the magnetic field to produce an indication. It is difficult to detect discontinuities that intersect the magnetic field at an angle less than 45o. When the orientation of a defect is not well established, components should be magnetized in a minimum of two directions at approximately right angles to each other. Depending on the geometry of the component, this may require longitudinal magnetization in two or more directions, multiple longitudinal and circular magnetization or circular magnetization in multiple directions. Determining strength and direction of the fields is especially critical when inspecting with a multidirectional machine. If the fields are not balanced, a vector field will be produced that may not detect some defects.
Magnetic Materials Introduction
Ferrites Commonly known as Ceramics, have been in production since the 1950’s. They are primarily made from Iron Oxide (FeO) and the addition of Sr and Ba through a calcining process. They are the least expensive and most common of all magnet materials. Primary grades are C1, C5 and C8. They are mostly used in motors and sensors.
What are Nd-Fe-B permanent Magnets?
What are Nd-Fe-B permanent Magnets?How to Comprehend the Differences of Operating Characteristics between Rare Earth Magnets and the Conventional Magnets?How to Comprehend the Energy Stored in Permanent Magnets?
Magnetization Process
To make a magnet “magnetic” it must be exposed to a strong external magnetic field. This field reorganizes the magnet’s domain structure and leaves the magnet with a remanent magnetization (Br). If a magnet is isotropic, the remanent magnetization has the same direction as the external field. Meanwhile, an anisotropic magnet can only be magnetized in its anisotropy direction.
What is a magnetic sweeper?
A magnetic sweeper is a type of magnetic tool that is used to pick up dropped pieces of ferromagnetic material e.g. iron chips, nails, bolts, nuts.
Fundamental Magnetism
Magnetic field is a physical phenomena induced by the motive electric charges in their surrounding space. Magnetism of materials arises from two atomic sources: the spin and orbital motions of electrons. Therefore, the magnetic characteristics of a material may change as a function of alloying constitution. Magnetic field strength is the measure of the vector magnetic current, or a magnetic body, to induce a magnetic field at a given point, denoted as H, measured in A/m (amperes per/meter, SI electromagnetic unit system) or Oe (oersteds, CGS electromagnetic unit system). One unit of A/m is defined as the field strength value induced by an infinite long linear conductor bearing one unity ampere electric current that locates 1/(2Л) meters away from the measured position. 1Oe=1/(4Л)×103A/m.