Codeofchina.com is in charge of this English translation. In case of any doubt about the English translation, the Chinese original shall be considered authoritative.
GB/T 12604 consists of eleven parts under the general title Non-destructive testing—Terminology:
—12604.1 Non-destructive testing—Terminology—Terms used in Ultrasonic testing;
—12604.2 Non-destructive testing—Terminology—Terms used in radiographic testing;
—12604.3 Non-destructive testing—Terminology—Terms used in penetrant testing;
—12604.4 Non-destructive testing—Terminology—Terms used in acoustic emission testing;
—12604.6 Non-destructive testing—Terminology—Terms used in eddy current testing;
—12604.7 Non-destructive testing—Terminology—Terms used in leak testing;
—12604.8 Non-destructive testing—Terminology—Terms used in neutron testing;
—12604.9 Non-destructive testing—Terminology—Terms used in infrared testing;
—12604.10 Non-destructive testing—Terminology—Terms used in magnetic memory testing;
—12604.11 Non-destructive testing—Terminology—Terms used in X-ray digital radioscopic testing.
This is Part 5 of GB/T 12604.
This part is developed in accordance with the rules given in GB/T 1.1-2009.
This part replaces GB/T 12604.5-2008 Non-destructive testing—Terminology—Magnetic particle testing, with respect to which the following main technical changes have been made:
—Some terms and definitions have been deleted, see Annex NA for details;
—Some terms and definitions have been added, see Annex NB for details.
This part is identical to ISO 12707:2016 Non-destructive testing—Magnetic particle testing—Vocabulary by means of translation.
The following editorial changes have been made in this part:
—To be consistent with the existing standard series, the standard name has been changed to Non-destructive testing—Terminology—Magnetic particle testing;
—The informative Annex NA and Annex NB have been added;
—An index has been added.
This standard was proposed by and is under the jurisdiction of the National Technical Committee on Non-destructive Testing of Standardization Administration of China (SAC/TC 56).
The previous editions of this part are as follows:
—GB/T 12604.5-1990, GB/T 12604.5-2008.
Non-destructive testing—Terminology—
Magnetic particle testing
1 Scope
This part of GB/T 12604 defines general terms specifically associated with magnetic particle testing.
2 Terms and definitions
2.1
adjacent conductor technique
magnetization using a bar or cable conductor close to the test surface
2.2
ampere turns
product of the number of turns of a coil and the current in amperes flowing through the coil
2.3
arcing strike
poor electrical contact causing burn damage
2.4
carrier liquid
liquid in which the magnetic particles (2.30) are suspended for the wet method
2.5
central conductor
threaded conductor positioned in the centre of an aperture of the component
2.6
circular magnetization
continuous lines of force within a test piece produced by current flow or a conductor surrounded by the test piece
2.7
coil technique
magnetization using a flexible cable or a rigid coil to test total or a part of a component
2.8
coloured detection medium
detection medium for testing with visible light
2.9
concentrate
detection medium supplied in a form requiring dilution before use
2.10
conditioning agent
additive in water-based media used to improve their properties which may include wetting, antifoaming and corrosion inhibitors
2.11
constant current control
device to maintain the pre-set current
2.12
contact pad
replaceable pad usually copper braid, placed at contact points to improve electrical connection and prevent the arc strike of the tested component
2.13
continuous magnetization technique
technique where detection medium is applied during magnetization
2.14
contrast aid paint
thin coating or film applied to a surface to improve the visibility of indications using coloured detection medium (2.8)
2.15
current flow technique
magnetization by passing a current through a component
2.16
current generator
source of current for magnetization
2.17
detection medium
magnetic ink or particle used in magnetic particle testing
2.18
dry powder technique
application of magnetic particles testing, applying dry magnetic particle (2.30)
2.19
fixed installation
stationary equipment providing a magnetic field for testing of components
2.20
flexible coil technique
magnetization using a conductor wrapped closely around a component
2.21
fluorescent detection medium.
detection medium that emits visible light when activated by a different radiation, usually UV-A radiation
2.22
flux indicator
magnetic flux direction detector containing artificial discontinuities
2.23
fluorescent stability
capability of a detection medium to maintain fluorescent properties
2.24
induced current flow technique
current flow in a ring type component produced by making it the secondary of a transformer
2.25
lift test
functional check of portable electromagnets assessed by attractive force
2.26
magnetic bench
stationary equipment for general applications of magnetic particle testing, employing magnetic flow techniques (2.28) and/or current flow techniques (2.15)
2.27
magnetic extender
ferromagnetic piece placed at the end of a component to improve the magnetization
2.28
magnetic flow technique
magnetization by inducing a magnetic flux through the component
2.29
magnetic ink
carrier liquid suspending with magnetic particles (2.30), mixed in a certain proportion
2.30
magnetic particle
finely distributed ferromagnetic material attracted by the magnetic flux leakage
2.31
magnetic particle content
measurement of magnetic particles (2.30) in magnetic ink
2.32
magnetic particle testing
non-destructive test method using magnetic fields and detection media to reveal surface and near surface discontinuities in ferromagnetic materials
2.33
magnetic writing
form of false indication due to partial, random magnetization, caused when a magnetized component comes in contact with the test item
2.34
magnetizing coil
arrangement of a rigid or flexible coil to encircle the entire component or part of it
Foreword i 1 Scope 2 Terms and definitions Annex NA (Informative) The terms and definitions in GB/T 12604.5-2008 deleted in this part Annex NB (Informative) Terms introduced to this part with respect to GB/T 12604.5- Bibliography Index
Codeofchina.com is in charge of this English translation. In case of any doubt about the English translation, the Chinese original shall be considered authoritative.
GB/T 12604 consists of eleven parts under the general title Non-destructive testing—Terminology:
—12604.1 Non-destructive testing—Terminology—Terms used in Ultrasonic testing;
—12604.2 Non-destructive testing—Terminology—Terms used in radiographic testing;
—12604.3 Non-destructive testing—Terminology—Terms used in penetrant testing;
—12604.4 Non-destructive testing—Terminology—Terms used in acoustic emission testing;
—12604.5 Non-destructive testing—Terminology—Magnetic particle testing;
—12604.6 Non-destructive testing—Terminology—Terms used in eddy current testing;
—12604.7 Non-destructive testing—Terminology—Terms used in leak testing;
—12604.8 Non-destructive testing—Terminology—Terms used in neutron testing;
—12604.9 Non-destructive testing—Terminology—Terms used in infrared testing;
—12604.10 Non-destructive testing—Terminology—Terms used in magnetic memory testing;
—12604.11 Non-destructive testing—Terminology—Terms used in X-ray digital radioscopic testing.
This is Part 5 of GB/T 12604.
This part is developed in accordance with the rules given in GB/T 1.1-2009.
This part replaces GB/T 12604.5-2008 Non-destructive testing—Terminology—Magnetic particle testing, with respect to which the following main technical changes have been made:
—Some terms and definitions have been deleted, see Annex NA for details;
—Some terms and definitions have been added, see Annex NB for details.
This part is identical to ISO 12707:2016 Non-destructive testing—Magnetic particle testing—Vocabulary by means of translation.
The following editorial changes have been made in this part:
—To be consistent with the existing standard series, the standard name has been changed to Non-destructive testing—Terminology—Magnetic particle testing;
—The informative Annex NA and Annex NB have been added;
—An index has been added.
This standard was proposed by and is under the jurisdiction of the National Technical Committee on Non-destructive Testing of Standardization Administration of China (SAC/TC 56).
The previous editions of this part are as follows:
—GB/T 12604.5-1990, GB/T 12604.5-2008.
Non-destructive testing—Terminology—
Magnetic particle testing
1 Scope
This part of GB/T 12604 defines general terms specifically associated with magnetic particle testing.
2 Terms and definitions
2.1
adjacent conductor technique
magnetization using a bar or cable conductor close to the test surface
2.2
ampere turns
product of the number of turns of a coil and the current in amperes flowing through the coil
2.3
arcing strike
poor electrical contact causing burn damage
2.4
carrier liquid
liquid in which the magnetic particles (2.30) are suspended for the wet method
2.5
central conductor
threaded conductor positioned in the centre of an aperture of the component
2.6
circular magnetization
continuous lines of force within a test piece produced by current flow or a conductor surrounded by the test piece
2.7
coil technique
magnetization using a flexible cable or a rigid coil to test total or a part of a component
2.8
coloured detection medium
detection medium for testing with visible light
2.9
concentrate
detection medium supplied in a form requiring dilution before use
2.10
conditioning agent
additive in water-based media used to improve their properties which may include wetting, antifoaming and corrosion inhibitors
2.11
constant current control
device to maintain the pre-set current
2.12
contact pad
replaceable pad usually copper braid, placed at contact points to improve electrical connection and prevent the arc strike of the tested component
2.13
continuous magnetization technique
technique where detection medium is applied during magnetization
2.14
contrast aid paint
thin coating or film applied to a surface to improve the visibility of indications using coloured detection medium (2.8)
2.15
current flow technique
magnetization by passing a current through a component
2.16
current generator
source of current for magnetization
2.17
detection medium
magnetic ink or particle used in magnetic particle testing
2.18
dry powder technique
application of magnetic particles testing, applying dry magnetic particle (2.30)
2.19
fixed installation
stationary equipment providing a magnetic field for testing of components
2.20
flexible coil technique
magnetization using a conductor wrapped closely around a component
2.21
fluorescent detection medium.
detection medium that emits visible light when activated by a different radiation, usually UV-A radiation
2.22
flux indicator
magnetic flux direction detector containing artificial discontinuities
2.23
fluorescent stability
capability of a detection medium to maintain fluorescent properties
2.24
induced current flow technique
current flow in a ring type component produced by making it the secondary of a transformer
2.25
lift test
functional check of portable electromagnets assessed by attractive force
2.26
magnetic bench
stationary equipment for general applications of magnetic particle testing, employing magnetic flow techniques (2.28) and/or current flow techniques (2.15)
2.27
magnetic extender
ferromagnetic piece placed at the end of a component to improve the magnetization
2.28
magnetic flow technique
magnetization by inducing a magnetic flux through the component
2.29
magnetic ink
carrier liquid suspending with magnetic particles (2.30), mixed in a certain proportion
2.30
magnetic particle
finely distributed ferromagnetic material attracted by the magnetic flux leakage
2.31
magnetic particle content
measurement of magnetic particles (2.30) in magnetic ink
2.32
magnetic particle testing
non-destructive test method using magnetic fields and detection media to reveal surface and near surface discontinuities in ferromagnetic materials
2.33
magnetic writing
form of false indication due to partial, random magnetization, caused when a magnetized component comes in contact with the test item
2.34
magnetizing coil
arrangement of a rigid or flexible coil to encircle the entire component or part of it
Contents of GB/T 12604.5-2020
Foreword i
1 Scope
2 Terms and definitions
Annex NA (Informative) The terms and definitions in GB/T 12604.5-2008 deleted in this part
Annex NB (Informative) Terms introduced to this part with respect to GB/T 12604.5-
Bibliography
Index
