The non-destructive hardness measurement system is "an evaluation system that measures the hardness of metal materials non-destructively using magnetic sensors, making it ideal for inline inspection."
【Conventional Hardness Measurement Method】
"Traditional hardness testing requires effort, time, and disposal costs."
Metal hardness testing involves the use of instruments such as Vickers hardness testers, which require cutting, embedding, and polishing to destroy the sample for hardness measurement.
【New Method Non-Destructive Hardness Measurement Method】
"By applying magnetic characteristics, hardness measurement can be easily and quickly performed."
An alternating current is input into a magnetic coil sensor, and the BH curve is calculated from the induced voltage signal, allowing hardness to be estimated from the value of Hc.
With the non-destructive hardness measurement method, significant reductions in inspection costs are achieved, and inline full inspections become possible, enabling effective use as quality control data.
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A-SAP Industry-Academia-Government Collaboration Innovation Promotion Project has been adopted, and an interview video on joint research with Shizuoka University has been released.
【Development of Non-Destructive Measurement System for Metal Properties】
https://www.hai.or.jp/pvc/asap/project/project-232/