Abstract
This technical spotlight article provides a comprehensive guide to selecting optimal hardness testing methods for specific applications, covering the evolution from manual to automated digital systems. The article compares major hardness testing methods, including Rockwell, Brinell, Vickers, Knoop, Leeb (rebound), and ultrasonic techniques, detailing their suitable materials, advantages, limitations, and applications through a comprehensive comparison table. Modern systems incorporate automation, digital displays, data mobility features, and software integration to improve efficiency and accuracy across laboratory, workshop, and field applications.
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2025
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