This part of GB/T 12796 specifies the quality assessment procedures, sub-standards, test items and measurement methods selected by blank detailed specifications, as well as related units, symbols and terms for permanent ferrite magnets (hereinafter referred to as "magnets"). Rules for writing blank detail specifications are also specified. This part applies to isotropic and anisotropic magnets of electro-acoustic, telecommunication instruments, instruments, electric vacuum devices, microwave devices, Wittur motors, magnetic separation equipment, adsorption equipment, magnetic machinery, magnetic seals and other devices, including bonding magnet.
GB/T 12796.1-2012 Referenced Document
GB 3100 SI units and recommendations for the use of their multiples and of certain other units
GB/T 2421.1-2008 Environmental testing for electric and electronic products.General and guidance
GB/T 2423.1-2008 Environmental testing for electric and electronic products.Part 2:Test methods.Tests A:Cold
GB/T 2423.10-2008 Environmental testing for electric and electronic products.Part 2:Tests methods Test Fc:Vibration(sinusoidal)
GB/T 2423.2-2008 Environmental testing for electric and electronic products.Part 2:Test methods.Tests B:Dry heat
GB/T 2423.5-1995 Environmental testing for electric and electronic products. Part 2: Test methods. Test Ea and guidance: Shock
GB/T 2423.6-1995 Environmental testing for electric and electronic products. Part 2: Test methods. Test Eb and guidance: Bump
GB/T 2828.1-2003 Sampling procedures for inspection by attributes--Part 1: Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection
GB/T 3217-1992 Method of tst of the magnetic properties of permanent magnetic (magnetically hard) materials
GB/T 9634.1-2002 Ferrite cores-Guide on the limits of surface irregularities--Part 1: General specification
GB/T 9634.2-2002 Ferrite cores--Guide on the limits of surface irregularities--Part 2: RM-cores
GB/T 9634.3-2002 Ferrite cores--Guide on the limits of surface irregularities--Part 3: ETD-cores and E-cores
GB/T 9634.4 Ferrite cores Guide on the limits of surface irregularities Part 4: Ring-cores
GB/T 9637-2001 Electrotechnical terminology Magnetic materials and components
IEC 60027 Letter Symbols to be used in electrical technology (Edition 4.0)