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Content archived on 2024-04-16

Treatment, measurement and certification of nickel cylinders

Objective



In this project a set of nickel cylinders has been produced, treated by annealing at 450 C for one hour in vacuum to make them magnetically soft, and their magnetic saturation polarization certified for the calibration of magnetic measurement apparatus.

RESULTS

The work has been terminated. 45 certified reference samples were produced and are available upon request.

Their characteristics are as follows:

Material : nickel of purity 99.98%
Density : 8.9 g/cm{3} +/- 0.01 g/cm{3}
Dimensions : about 10 mm in diameter and 10 mm in length
Cross sectional area : 3.157 cm{2} +/- 0.001 cm{2}
Temperature coefficient at 25 C : -4.4 1E-4 T/K

The certification of the magnetic saturation polarization is based on a detailed comparison of measurements with the Laboratoire d'Electronique de Grenoble which has shown excellent agreement (3 parts in 1E4).

Topic(s)

Data not available

Call for proposal

Data not available

Coordinator

PHYSIKALISCH-TECHNISCHE BUNDESANSTALT
EU contribution
No data
Total cost
No data