Technological Advances in Magnetic Engineering
Magnetic Properties Inspection Capability
Magnetic Material Properties
• Item: Br, Hcb, Hcj, (BH)max, Hk, Ms, μrec, Hk/ Hcj, etc.
• Instrument: Magnetic hysteresis loops measuring apparatus
• Range: Hcj 50~20,000 Oe
High & Low Temperature Test
• Item: Magnetic performance in various high and low temperature environment
• Instrument: High-low temperature test machine
• Range: -40 ~ 130℃
Reversible Temperature Coefficient
• Item: Temperature coefficient and calculation expectation
• Instrument: High-low temperature test machine
• Range: The preset range of temperature
Magnetic Field Distribution
• Item: The special magnetic field spatial distribution of the permanent magnets
• Instrument: Multipole magnetometer
• Range: Magnetic material that the volume is close to 0.03 m³
Magnetic Flux
• Item: Magnetic moment, magnetic flux and orientation angle error
• Instrument: Helmholtz coils
• Range: portable device, automation test system
Surface Magnetic Field
• Item: Magnetic field at a specific surface location of magnets
• Instrument: Gauss meter or specific fixture
• Range: The specific measurement positions
Physical Properties Inspection Capability
Salt Spray
• Item: Corrosion resistance grade
• Instrument: Salt spraying test machine
• Condition: Follow ASTM B-117 standard
High Temperature & High Humidity
• Item: Temperature and humidity endurance test
• Instrument: Temperature and humidity test machine
• Condition: 80~95℃, 90~100%RH
Vapor pressure (uncoated magnets)
• Item: Vapor pressure test of uncoated magnetic material (PCT)
• Instrument: PCT test machine
• Condition: Within 96 hours under 2 atmospheres, 150 ° C and 100% RH
Vapor pressure (coated magnets)
• Item: Vapor pressure test of coated magnetic material (PCT test)
• Instrument: PCT test machine
• Condition: Under 2 atmospheres, 100% RH to high temperature and humidity
Physical Strength
• Item: tensile strength, three-point yield strength
• Instrument: Crushing strength test machine
• Condition: All types of magnetic materials
Low Weight Loss
• Item: low weight loss and coating adhesion
• Instrument: HAST test machine
• Condition: Under 2.5 atmospheres, 130 ° C and 100% RH, with passivated coating products