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  2. Positive material identification - Wikipedia

    en.wikipedia.org/wiki/Positive_material...

    Positive material identification (PMI) is the analysis of a material, this can be any material but is generally used for the analysis of metallic alloy to establish composition by reading the quantities by percentage of its constituent elements. Typical methods for PMI include X-ray fluorescence (XRF) and optical emission spectrometry (OES). [1]

  3. Spark testing - Wikipedia

    en.wikipedia.org/wiki/Spark_testing

    Spark testing is a method of determining the general classification of ferrous materials. It normally entails taking a piece of metal, usually scrap, and applying it to a grinding wheel in order to observe the sparks emitted. [1] These sparks can be compared to a chart or to sparks from a known test sample to determine the classification.

  4. Pipe (fluid conveyance) - Wikipedia

    en.wikipedia.org/wiki/Pipe_(fluid_conveyance)

    Pipe (fluid conveyance) Drain pipe of the Louvre. A pipe is a tubular section or hollow cylinder, usually but not necessarily of circular cross-section, used mainly to convey substances which can flow — liquids and gases ( fluids ), slurries, powders and masses of small solids.

  5. X-ray fluorescence - Wikipedia

    en.wikipedia.org/wiki/X-ray_fluorescence

    X-ray fluorescence. XRF scanning of the Rembrandt -painting Syndics of the Drapers' Guild. A handheld XRF analyzer gun. X-ray fluorescence ( XRF) is the emission of characteristic "secondary" (or fluorescent) X-rays from a material that has been excited by being bombarded with high-energy X-rays or gamma rays.

  6. Nondestructive testing - Wikipedia

    en.wikipedia.org/wiki/Nondestructive_testing

    Maintenance testing – Identify equipment problems through routine testing; Materials science – Research of materials; Nondestructive Evaluation 4.0 – A concept of industrial testing and evaluation for the digital age; Predictive maintenance – Method to predict when equipment should be maintained

  7. Gas chromatography–mass spectrometry - Wikipedia

    en.wikipedia.org/wiki/Gas_chromatography–mass...

    Gas chromatography–mass spectrometry ( GC–MS) is an analytical method that combines the features of gas-chromatography and mass spectrometry to identify different substances within a test sample. [1] Applications of GC–MS include drug detection, fire investigation, environmental analysis, explosives investigation, food and flavor analysis ...

  8. Forensic identification - Wikipedia

    en.wikipedia.org/wiki/Forensic_identification

    Forensic identification is the application of forensic science, or "forensics", and technology to identify specific objects from the trace evidence they leave, often at a crime scene or the scene of an accident. Forensic means "for the courts".

  9. Plastic weld non-destructive examination - Wikipedia

    en.wikipedia.org/wiki/Plastic_weld_non...

    A variety of non-destructive examination (NDE) techniques are available for inspecting plastic welds. Many of these techniques are similar to the ones used for inspecting metal welds. Traditional techniques include visual testing, radiography, and various ultrasonic techniques. [1] Advanced ultrasonic techniques such as time of flight ...

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