3D Profilometer Technical Document: Recovery of Rubber After Compressive Permanent Deformation
This is a PDF document on the recovery of rubber samples after compressive permanent deformation. Please download it for details.
The compressive permanent deformation of materials, as defined in ASTM D395i, is the permanent change in shape that remains when the previously applied compressive load is removed. Rubber is subjected to significant compressive stress in a wide range of applications, such as mounting to machinery, vibration dampers, valves, faucets, and bearings, in media such as air or liquids. The ability to retain elastic properties after prolonged compressive stress is crucial for the quality and functionality of the service. For example, a compression faucet relies on a rubber washer to seal the valve seat. The elasticity of the rubber sealing washer ensures the proper functioning of the faucet. Leaks occur when the rubber washer, seal, or gasket in the valve assembly wears out and loses elasticity. Therefore, it is important to evaluate the compressive permanent deformation of rubber after prolonged compressive stress.
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◎Real Nano 3D Profilometer for Surface Characterization Nanovia's Real Nano 3D surface inspection device provides high-precision surface characterization for "roughness measurement," "texture analysis," and "step and height evaluation." The non-contact profilometer, utilizing advanced chromatic light technology, offers reproducible high-resolution surface measurements across a wide range of applications, including "coatings," "semiconductors," "medical devices," and "aerospace materials."
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◎ 400mm² × 200mm/s high-speed continuous scanning ◎ Unique new method by Nanovia "Multicolor Light Sensor Measurement" ◎ "Vertical Focus" measured data without stitching
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