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Quality Network Inc. 3MA-II Data Sheet

3MA = M ulti-parameter M icro-magnetic M icrostructure and stress A nalyzer Combination of 4 different micro-magnetic measuring modules - Multi-Frequency Eddy Current (3MA-MFEC) - Magnetic field strength (3MA-K) - Incremental permeability (3MA-µ) - Barkhausen noise (3MA-M) Micro-magnetic module Measuring quantities 3MA-MFEC At 3 frequencies: - Real parts of impedance values (Re
1 , Re
2 , Re
3 ) - Imaginary parts of impedance values (Im
1 , Im
2 , Im
3 ) 3MA-K - Coercivity (H
CK ) - Distortion factor (K) - Amplitude of 3
rd rd and 5
th th upper harmonics (A
3 , A
5 ) - Phase of 3 and 5 upper harmonics (Ph
3 , Ph
5 ) 3MA-µ - Coercivity (H
C ) - Maximum amplitude (µ
max ) - Width at 25 % of maximum (Wid
1µ ) - Width at 50 % of maximum (Wid
2µ ) - Width at 75 % of maximum (Wid
3µ ) 3MA-M - Coercivity (H
CM ) - Maximum amplitude (M
max ) - Width at 25 % of maximum (Wid
1M ) - Width at 50 % of maximum (Wid
2M ) - Width at 75 % of maximum (Wid
3M ) Simultaneous detection of up to 22 measuring quantities (see table above) Different weighted sensitivities towards microstructure (composition, interstitials, dislocations, precipitations, grain boundaries, 2
nd phases, etc.) and stress Complementary and redundant information about mechanical properties Suppression of disturbing influences Quantitative determination of mechanical properties and residual stress Target quantities: - Tensile strength (R
m ) - Yield strength (R
p0.2 ) - Vertical anisotropy (r
m ) - Planar anisotropy ( r) - Surface Hardness (HV, HRC) - Hardening depth (induction-, case-, laser-, hardening, nitrating) - Toughness - Residual austenite content - Creep strain - Residual stress in different depths
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