GB/T 45974-2025 in English

This standard provides a method for determining the grain size and size distribution of fine ceramics. It outlines procedures for sample preparation, measurement techniques, and data analysis. The standard specifies the equipment, calibration, and testing conditions necessary to ensure consistent and reliable results. It also includes guidelines for reporting the measured parameters and their statistical characteristics. The method is applicable to a wide range of fine ceramic materials and is designed to support quality control and research activities. The standard is structured to ensure clarity and ease of implementation across different laboratories and industries.