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TÜV AUSTRIA Websites > TÜV Austria India > Solution > Industry > Magnetic particle testing – MT Solution: Magnetic particle testing – MT Testing & Inspection Solution: Magnetic particle testing – MT TÜV AUSTRIA INDIA PVT. LTD. – Nagpur/Maharashtra (Corporate Office) TÜV AUSTRIA INDIA PVT. LTD. – Nagpur/Maharashtra (Corporate Office) TÜV AUSTRIA \| India Office No. 302, Plot no. 95, Renuka Complex, Friends Colony, Katol Road 440013 Nagpur/Maharashtra India +91712-4033988 Send email Office No. 302, Plot no. 95, Renuka Complex, Friends Colony, Katol Road 440013 Nagpur/Maharashtra India Save to My Bundle TÜV AUSTRIA INDIA PVT. 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Ruchi Township, Kawas patiya, Ichchhapor 394510 Surat/Gujarat India Save to My Bundle TÜV AUSTRIA INDIA – Surat Branch Office Save to My Bundle TÜV AUSTRIA AKADEMIE GMBH TÜV AUSTRIA-Platz 1 2345 Brunn am Gebirge Tel: +43 (0)504 54-8000 Fax: +43 (0)504 54-8145 E-Mail: akademie@tuv.at www.tuv-akademie.at Magnetic particle testing In which region do you need this solution? Austria Romania Cyprus Switzerland Germany Turkey Greece Spain Italy Belgium English Czech Republic Poland Slovenia Albania Portugal KSA United Kingdom Egypt India All accreditations "TÜV AUSTRIA Group, your magnetic particle testing partner: detection of material separations in or near the surface of ferromagnetic materials." What is magnetic particle testing? Magnetic particle testing (MT) is a method for detecting gap-like material separations (e.g. cracks) in or near the surface of ferromagnetic materials. In this process, the workpiece is first magnetized in the test area. The field lines created by the magnetization run parallel to the surface. Gaps in the material that lie transverse to the field lines generate a stray magnetic field. This means that the field lines exit the ferromagnetic material on one side of the defect and re-enter on the other side. Formation of magnetic poles This results in the formation of magnetic poles. If the test area is now treated either with black iron powder on a white background color (black/white test) or with fluorescent colored iron powder, it accumulates at the material separations because it is attracted by the magnetic effect. Magnetic particle testing and UV radiation / white light Under UV radiation (for fluorescent testing) or under white light (for black/white testing), the defects can then be detected. Material separations that run parallel to the field lines generate only a weak or no stray field and can therefore only be detected poorly or not at all. Similarly, material separations can only be localized to a certain depth. More Tags: Industrial & Technical Services Industry magnetic particle Material Material compound Material test Materials engineering NDT Non-destructive testing (NDT)Third Party Inspection Services Related solutions from the same sector: Industry Testing in accordance with the Work Equipment Ordinance Industry Show more Save to my Bundle Thermal and Residual Stress Measurement Industry Show more Save to my Bundle Plant safety: Explosion protection document Industry Show more Save to my Bundle Mechanical testing laboratory and workshop Industry Show more Save to my Bundle All Solutions Discover more sectors: Agriculture Automotive Certification Communications Technology Construction & Real Estate Electronics Energy Foodstuffs Health & Medicine Leisure & Entertainment Machinery Municipalities Sustainability Tourism Trade & Commerce Transport & Traffic

TÜV AUSTRIA Websites > TÜV Austria India > Solution > Industry > Magnetic particle testing – MT

Solution: Magnetic particle testing – MT

What is magnetic particle testing?

Magnetic particle testing (MT) is a method for detecting gap-like material separations (e.g. cracks) in or near the surface of ferromagnetic materials.
In this process, the workpiece is first magnetized in the test area.

The field lines created by the magnetization run parallel to the surface. Gaps in the material that lie transverse to the field lines generate a stray magnetic field. This means that the field lines exit the ferromagnetic material on one side of the defect and re-enter on the other side.

Formation of magnetic poles

This results in the formation of magnetic poles. If the test area is now treated either with black iron powder on a white background color (black/white test) or with fluorescent colored iron powder, it accumulates at the material separations because it is attracted by the magnetic effect.

Magnetic particle testing and UV radiation / white light

Under UV radiation (for fluorescent testing) or under white light (for black/white testing), the defects can then be detected. Material separations that run parallel to the field lines generate only a weak or no stray field and can therefore only be detected poorly or not at all. Similarly, material separations can only be localized to a certain depth.