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th="258" height="190">Tahribatsız Testler

The method of Non-Destructive Testing:

Non-destructive testing methods may rely upon use of electromagnetic radiation, sound, and inherent properties of materials to examine samples. This includes some kinds of microscopy to examine external surfaces in detail, although sample preparation techniques for metallography, optical microscopy and electron microscopy are generally destructive as the surfaces must be made smooth through polishing or the sample must be electron transparent in thickness. The inside of a sample can be examined with penetrating electromagnetic radiation, such as X-rays or 3D X-rays for volumetric inspection. Sound waves are utilized in the case of ultrasonic testing which belong to Non-Destructive Testing. Contrast between a defect and the bulk of the sample may be enhanced for visual examination by the unaided eye by using liquids to penetrate fatigue cracks. One method (liquid penetrant testing) involves using dyes, fluorescent or non-fluorescent, in fluids for non-magnetic materials, usually metals. Another commonly used method for magnetic materials involves using a liquid suspension of fine iron particles applied to a part while it is in an externally applied magnetic field (magnetic-particle testing which belong to Non-Destructive Testing). Thermoelectric effect (or use of the Seebeck effect) uses thermal properties of an alloy to quickly and easily characterize many alloys. The chemical test, or chemical spot test method, utilizes application of sensitive chemicals that can indicate the presence of individual alloying elements.

Tungsten Alloy Instrument for Non-Destructive Testing:

Tungsten alloy instrument is suitable for radiation protection, as its combination of radiographic density (more than 60% denser than lead), machinability, good corrosion resistance, high radiation absorption (superior to lead), simplified life cycle and high tensile strength. The tungsten alloy instrument used in the non-destructive testing can be radiation shielding against gamma radiation and X-rays that are used during the non-destructive testing. Chinatungsten Online provides all kinds of tungsten alloy instruments.

If you have any enquiry about the tungsten alloy non-destructive testing products used in these applications, please feel free to contact by email: sales@chinatungsten.com tarafından veya çağrı: 0086 592 512 9696, 0086 592 512 9595.

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Address: 3F, No.25 WH Rd., Xiamen Software Park Ⅱ, FJ 361008,China
sales@chinatungsten.com sales@xiamentungsten.com
 Certified by MIIT:闽B2-20090025 闽ICP备06012101号-1
Copyright©1997 - ChinaTungsten Online All Rights Reserved