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Improvement Methods for Heat Treatment Deformation and Cracking of Stamping Dies There are many reasons that affect the heat treatment deformation and cracking of stamping dies, which are mainly related to many factors such as the original organization, the chemical composition of the steel, the ... Read More
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What is The Through-Diamond-Technique Method? While both methods – UCI- and Rebound – are successfully used in the field and solve many on-site hardness testing applications, there are limitations concerning the kind of material under test and its size and weight, respectively. Furthermore, because ... Read More
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What is Full-angle Leeb Hardness Tester? The full-angle Leeb hardness tester measures at any angle in accordance with the Leeb principle to calculate the hardness value, regardless of whether it is upward, downward or horizontal. The same measurement results are obtained for the same workpiece in ... Read More
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The Practical Application of TDT Hardness Testing The PC-based TDT system consists of a hand-held PC and the TDT probe. The interface between instrument and probe serves as power supply for the probe as well as connector for all control functions. The interface also feeds the BAS signal from the CCD ... Read More
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Hardness Test of Rebound Method Hardness testers using the Rebound method operate in a slightly different manner. Although the size of the test indentation generated is connected with the material hardness even in this case, it is indirectly measured via the loss of energy of a so-called impact body... Read More
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2025 Shanghai International Foundry Expo 2025 Shanghai International Casting Expo Date: December 2-4, 2025 Venue: Shanghai New International Expo Centre Overview of Expo Shanghai International Casting Exhibition exhibits covering foundry, casting mould, foundry materials, foundry equipment and ... Read More
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Hardness Test of UCI (Ultrasonic Contact Impedance) Method As in standard Vickers or Brinell hardness testing, the question as to the size of the test indentation in the material generated by a certain test load also arises in Vickers hardness testing according to the UCI (Ultrasonic Contact ... Read More
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How to Measure Hardness On-site? Conventional hardness testing machines require the test piece be brought to the testing device; but this is not always possible. Portable testing devices have been developed that permit in-situ hardness measurements. One popular device measures the frequency shift of ... Read More
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Why Hardness Testing? In manufacturing applications, materials are primarily tested for two reasons: either to research the characteristics of a new material or as a quality check to ensure that the sample meets a particular specification. Read More
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What is “hardness”? With regard to metals, hardness has always been a subject of much discussion among technical people, resulting in a wide range of definitions. Hardness properties include such varied attributes as resistance to abrasives, resistance to plastic deformation, high modulus of ... Read More
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