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Ultrasonic flaw detector is a device that use sound propagation method for the detection of flaws in many materials. The basic use of ultrasonic flaw detector is done in many engineering processes. This is used in the process of detection of material surfaces. Usually, materials such as iron, steel ... Read More
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Below is the table of Error and Repeatability of Micro Vickers Hardness Tester was cited from ASTM E384. Read More
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The thickness of the test specimen shall be such that no bulge or marking showing the effect of the force appears on the side of the specimen opposite the impression. In any event the thickness of the specimen shall be at least one and one half times the length of the diagonal. When laminated ... Read More
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Microscope depth of field (DOF), also called focus range or effective focus range, is the distance between the nearest and farthest objects in a scene that appear acceptably sharp in an image. Although a lens can precisely focus at only one distance at a time, the decrease in sharpness is gradual on ... Read More
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Copper-accelerated acetic acid-salt spray (CASS) testing used to evaluating the corrosive performance of decorative copper/nickel/chromium or nickel/chromium coatings on steel, zinc alloys, aluminum alloys, and plastics designed for severe service. It is also applicable to the testing of anodized ... Read More
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The salt spray (or salt fog) test is a standardized and popular corrosion test method, used to check corrosion resistance of materials and surface coatings. iqualitrol supplies different sizes of salt spray test chamber, also can supplies customized dimension chambers according to specific products ... Read More
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Iqualitrol model iRock-440 meets the Jominy End Quench Test ASTM A255 to measure Hardenability of steels. Hardenability is a measure of the capacity of a steel to be hardened in depth when quenched from its austenitizing temperature. Hardenability of a steel should not be confused with the hardness ... Read More
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Impact Device C: Reduced impact energy. For surface-hardened components, coatings, thin or impact-sensitive parts (small indentation). Impact energy 3 Nmm, Indenter Tungsten carbide 3mm. Impact Device D: Most widely used probe. For the majority of testing applications.Impact energy 11 Nmm, Indenter ... Read More
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The purpose of the grinding step is to remove damage from cutting, planarize the specimen(s), and to remove material approaching the area of interest. The most common metallographic abrasive used is Silicon Carbide – SiC. It is an ideal abrasive for grinding because of its hardness and sharp edges. ... Read More
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Below are the factors influence the local thickness of metal and oxide coatings by the microscopical examination of cross sections using an optical microscope. Under good conditions, when using an optical microscope, it is capable of giving an absolute measuring accuracy of 0.8 μm. This will ... Read More
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