GrindoSonic: website

GrindoSonic: “Non-destructive material characterization using Impulse Excitation Technique (IET). Over 60 years of experience, 1700+ systems deployed in 50+ countries.”

• What is GrindoSonic?

  “GrindoSonic is a Belgian manufacturer of non-destructive testing equipment based on Impulse Excitation Technique (IET). Founded by Joseph Lemmens in 1966, GrindoSonic has shipped over 1,700 systems to 50+ countries. The instruments measure elastic properties including Young's modulus, shear modulus, Poisson's ratio, and damping from a single tap, without damaging the sample.”

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• What is Impulse Excitation Technique (IET)?

  “Impulse Excitation Technique (IET) is a non-destructive test method standardized under ASTM E1876. A light mechanical tap excites a sample's natural vibration frequencies, which are captured by a sensor and analyzed to calculate elastic properties (Young's modulus E, shear modulus G, Poisson's ratio, and damping) in under one second with 0.1 ppm resolution.”

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• What materials can GrindoSonic test?

  “GrindoSonic systems test virtually any solid material: metals and alloys, advanced ceramics, refractories, composites, polymers, concrete, glass, carbon and graphite, natural stone, sintered materials, and additive manufactured parts. The technique works on samples from a few millimeters to large structural components.”

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