Vision Energy Consultancy | Non Destructive Testing (NDT)
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Non Destructive Testing (NDT)

Conventional NDT

Radiographic Testing (X-Ray & Gamma Ray)

Ultrasonic Flaw Detection (A,B & C Scans)

Hardness Testing

Magnetic Particle Inspection (Wet & Dry Method)

Dye Penetrant Testing

Ultrasonic Thickness Measurement

Heat Treatment

Advance NDT

Phased Array Ultrasonic Testing (PAUT)

Time of Flight Diffraction (TOFD)

Positive material Identification (PMI)

Long Range Ultrasonic Testing

Boroscopic

Crawler Pipeline Inspection

Other NDT Services

Automated Ultrasonic Testing

Dye Penetrant Testing ( Fluorescent or Solvent Removable)

Tank Floor Scanning

Thickness Gauge

Eddy Current Testing

Pipe Coating Holiday Testing

Computer Radiography Testing

Tubular Inspection

Wire Rope Inspection

Thermography

Videoscopes

Long Range Ultrasonic Testing

Post Weld Heat Treatment

Gas and Steam Turbine Inspection

Eddy Current Testing

Magnetic Particle Inspection

Magnetic particle Inspection (MPI) is a non-destructive testing (NDT) process for detecting surface and slightly subsurface discontinuities in ferromagnetic materials such as iron, nickel, cobalt, and some of their alloys. The process puts a magnetic field into the part. The piece can be magnetized by direct or indirect magnetization. Direct magnetization occurs when the electric current is passed through the test object and a magnetic field is formed in the material. Indirect magnetization occurs when no electric current is passed through the test object, but a magnetic field is applied from an outside source. The magnetic lines of force are perpendicular to the direction of the electric current, which may be either alternating current (AC) or some form of direct current (DC) (rectified AC).

The presence of a surface or subsurface discontinuity in the material allows the magnetic flux to leak, since air cannot support as much magnetic field per unit volume as metals.

To identify a leak, ferrous particles, either dry or in a wet suspension, are applied to a part. These are attracted to an area of flux leakage and form what is known as an indication, which is evaluated to determine its nature, cause, and course of action, if any.

Dye Penetrant Inspection

Dye penetrant inspection (DPI), also called liquid penetrant inspection (LPI) or penetrant testing (PT), is a widely applied and low-cost inspection method used to locate surface-breaking defects in all non-porous materials (metals, plastics, or ceramics). The penetrant may be applied to all non-ferrous materials and ferrous materials, although for ferrous components magnetic-particle inspection is often used instead for its subsurface detection capability. LPI is used to detect casting, forging and welding surface defects such as hairline cracks, surface porosity, leaks in new products, and fatigue cracks on in-service components.

Ultrasonic Testing

Ultrasonic testing (UT) is a family of non-destructive testing techniques based on the propagation of ultrasonic waves in the object or material tested. In most common UT applications, very short ultrasonic pulse-waves with center frequencies ranging from 0.1-15 MHz, and occasionally up to 50 MHz, are transmitted into materials to detect internal flaws or to characterize materials.

A common example is ultrasonic thickness measurement, which tests the thickness of the test object, for example, to monitor pipework corrosion. Ultrasonic testing is often performed on steel and other metals and alloys, though it can also be used on concrete, wood and composites, albeit with less resolution. It is used in many industries including steel and aluminium construction, metallurgy, manufacturing, aerospace, automotive and other transportation sectors.

To identify a leak, ferrous particles, either dry or in a wet suspension, are applied to a part. These are attracted to an area of flux leakage and form what is known as an indication, which is evaluated to determine its nature, cause, and course of action, if any.

Industrial Radiography

Industrial radiography is a method of non-destructive testing where many types of manufactured components can be examined to verify the internal structure and integrity of the specimen. Industrial Radiography can be performed utilizing either X-rays or gamma rays. Both are forms of electromagnetic radiation. The difference between various forms of electromagnetic energy is related to the wavelength. X and gamma rays have the shortest wavelength and this property leads to the ability to penetrate, travel through, and exit various materials such as carbon steel and other metals.