What is wet fluorescent magnetic particle testing?

Wet Method Fluorescent Magnetic Particles. A highly sensitive magnetic particle powder, 14A fluorescent mag particles are engineered to locate very fine discontinuities in critical parts and applications.

What is wet mag?

Wet suspension magnetic particle inspection, more commonly known as wet magnetic particle inspection, involves applying the particles while they are suspended in a liquid carrier. First, all of the surfaces of the component can be quickly and easily covered with a relatively uniform layer of particles.

What is MT testing?

Magnetic particle inspection (MT) is a non-destructive testing method used to detect surface and slightly subsurface flaws in ferromagnetic materials (such as carbon steel). It is used routinely to inspect welds, piping, pressure vessels and structural steel components.

How do you test magnetic particles?

Magnetic Particle Inspection is performed in four steps:

1. Induce a magnetic field in the specimen.
2. Apply magnetic particles to the specimen’s surface.
3. View the surface, looking for particle groupings that are caused by defects.
4. Demagnetize and clean the specimen.

What is magnetic particle inspection used for?

Magnetic Particle Inspection (MPI) is a non-destructive testing method that can detect surface and subsurface flaws in ferromagnetic materials. Magnetic particle inspection is often carried out to help determine an item’s fitness for use or conformity.

Can you do magnetic particle testing on stainless steel?

Stainless steel can’t be inspected by magnetic particle testing as we aren’t able to induce a magnetic field on the stainless steel. Due to this, the material remains non-magnetic. Ferritic stainless steels are actually ferromagnetic.

What is the disadvantage of liquid penetrant test?

Liquid penetrant testing has the following disadvantages: Extensive, time-taking pre-cleaning critical—surface contaminants can mask defects. Sensitive to surface-breaking defects only. Direct connection to the surface under test necessary.

Is standard for magnetic particle inspection?

ISO 9934-1:2015 specifies general principles for the magnetic particle testing of ferromagnetic materials. Magnetic particle testing is primarily applicable to the detection of surface-breaking discontinuities, particularly cracks.

What materials can you use for magnetic particle inspection?

Because this method relies on a magnetic field to produce results, it works best on ferrous materials, like nickel, iron, cobalt, and some alloys. Components like billets, bars, castings, forgings, fasteners, weldments and extrusions are also commonly tested using magnetic particle inspection.

What are the most important step in magnetic particle inspection?

Inducing a Magnetic Field: This is the most important step in the magnetic particle inspection procedure. In this step, place the equipment on the area to be tested and induce a magnetic field. Various types of magnetic particle inspection equipment are available.

What method of magnetic particle inspection is used most often?

What method of magnetic particle inspection is used most often to inspect aircraft parts for invisible cracks and other defects? Continuous.

What is magnetic particle inspection test?

Magnetic Particle Testing (MT) (also known as magnetic particle inspection – MPI) is a non destructive test (NDT) method , used to detect surface or subsurface (near to surface) discontinuities. This NDT method can be used on metals which can be easily magnetized (ferromagnetic). Nov 13 2019

What is the abbreviation for magnetic particle testing?

Magnetic particle Inspection ( MPI) is a non-destructive testing (NDT) process for detecting surface and shallow subsurface discontinuities in ferromagnetic materials such as iron, nickel, cobalt, and some of their alloys. The process puts a magnetic field into the part.

What is a magnetic particle inspection machine?

Magnetic Particle Inspection (MPI) machine. Magnetic particle inspection (MT) is a non-destructive testing method for locating surface and near surface discontinuities in ferromagnetic materials. PROMAG offers a complete selection of high-quality and efficient magnetic particle inspection (MPI) equipment for every application. The MPI equipment we offer has the main advantages and differentiations :