T/BTQSA 005-2020 Active Group standards

T/BTQSA 005-2020 Physical Performance Test Method for NdFeB Permanent Magnet Alloy Powder - Determination of Laser Particle Size

T/BTQSA 005-2020

Publish Date: 2021-01-15 Implement Date: 2021-03-15 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/BTQSA 005-2020

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: \nTest methods for the physical and chemical properties of metals

ICS Name: Other non-ferrous metals and their alloys

Publish Date: 2021-01-15

Implement Date: 2021-03-15

Scope

The main technical content is: using the diffraction phenomenon of light, the diffraction spots are generated when the alloy powder samples are irradiated by monochromatic parallel light. The diffraction angles of particles of different sizes are different, and the light intensities of particles of the same size but different numbers are also different. By collecting the light intensity signals of different diffraction patterns on the multi-element detector, the particle size and particle size distribution can be obtained.