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2G053 | INVESTIGATING OR ANALYZING MATERIALS BY THE USE OF MAGNETIC MEANS | |
G01N27/72 -27/9093 |
G01N27/72-27/9093 | AA | AA00 ITEMS INVESTIGATED OR ANALYZED |
AA01 | AA02 | AA03 | AA04 | AA05 | AA06 | AA07 | AA08 | AA09 | |
. Component analysis | . . Metals | . . Metal compounds | . . Non-metals | . . . Oxygen | . . Non-metal compounds | . Internal structure | . . Crystal structure | . . Phase structure | ||||
AA11 | AA12 | AA13 | AA14 | AA16 | AA17 | AA18 | AA19 | AA20 | ||||
. Flaws or defects | . . Corrosion or rust | . . Foreign material | . Life, fatigue or deterioration | . Mechanical properties | . . Hardness | . . Strength | . . Stress (internal and residual) | . . Strain (internal and residual) | ||||
AA21 | AA22 | AA24 | AA25 | AA26 | AA27 | AA29 | AA30 | |||||
. Distinctions and identification | . . Coins | . Surface treatment (e.g., carburization or nitriding) | . Heat treatment (e.g., tempering) | . Detecting joints or welded sections | . Detecting end sections | . Toner concentration | . Scanning magnetic flux microscopes | |||||
AB | AB00 MEASURED MAGNETIC CHARACTERISTICS |
AB01 | AB02 | AB03 | AB04 | AB05 | AB06 | AB07 | AB08 | AB09 | AB10 | |
. Measuring magnetization | . . Hysteresis | . . Coercive force | . . Residual magnetization | . . Saturation magnetization | . . Magnetic susceptibility | . . Magnetic permeability | . Magnetic anisotropy | . Magnetostriction characteristics | . Magnetic domains | |||
AB11 | AB12 | AB13 | AB14 | AB15 | AB16 | AB17 | AB18 | AB19 | AB20 | |||
. Galvanomagnetic effects (e.g., Hall effect or magnetic reluctance) | . Magnetic shielding effects | . Magneto-optical effects | . Superconducting effects | . Magneto-dynamic effects | . . Magnetic attraction | . . Magnetic wind | . . Interface pressure differences | . Magnetic reluctance | . Barkhausen phenomenon | |||
AB21 | AB22 | AB23 | AB24 | AB25 | AB26 | AB27 | ||||||
. Eddy current effects (including flaw detection using eddy currents) | . Leaked magnetic flux (including flaw detection using magnetic powder) | . Core loss | . Magnetic temperature characteristics | . . Curie point | . Skin effect or depth of penetration | . Rate of conduction | ||||||
BA | BA00 WHAT IS INVESTIGATED OR ANALYZED |
BA01 | BA02 | BA03 | BA04 | BA05 | BA06 | BA07 | BA08 | BA10 | ||
. Form | . . Solids | . . . Elastic bodies | . . . Powders | . . Liquids | . . Gases | . . Colloidal substances | . . Biological substances | . Related to atomic power | ||||
BA11 | BA12 | BA13 | BA14 | BA15 | BA16 | BA19 | ||||||
. Shape | . . Tubular | . . Rod-shaped | . . Filamentary (including meshes) | . . Plate-like | . . Thin film-like | . Coatings | ||||||
BA21 | BA22 | BA23 | BA24 | BA25 | BA26 | BA27 | BA29 | BA30 | ||||
. Structures | . . Tanks | . . Heat exchangers | . . Turbines | . . Shafts or bearings | . . Ducts | . . Cans | . Joints | . . Welded sections | ||||
BB | BB00 HANDLING OF THE INVESTIGATED OR ANALYZED OBJECTS |
BB01 | BB02 | BB03 | BB04 | BB05 | BB06 | BB07 | BB08 | BB09 | BB10 | |
. Sampling | . Preparation of samples | . Transport | . Rotating | . Positioning | . Centering or center alignment | . Cleaning of objects (e.g., washing or drying) | . Marking | . Correcting or grinding | . Selecting | |||
BB11 | BB12 | BB13 | BB15 | BB16 | BB17 | BB18 | BB19 | BB20 | ||||
. Magnetizing | . . Saturation magnetization | . Degaussing | . Physical conditions | . . Temperature | . . . Cooling | . . Stress load | . . Vibration | . . Pressure | ||||
BC | BC00 EXCITATION OF OBJECTS INVESTIGATED OR ANALYZED |
BC01 | BC02 | BC03 | BC04 | BC05 | BC06 | BC07 | BC08 | BC09 | BC10 | |
. Exciting current | . . Alternating current (i.e., sine waves) | . . Direct current | . . Sawtooth-shaped or ramp-shaped | . . Square waves or pulse waves | . . Shock waves | . . Variants whose frequency (band) is limited | . . Variants accompanied by phase adjustment | . Magnetic field orientation | . . Uni-directional | |||
BC11 | BC12 | BC13 | BC14 | BC15 | BC16 | BC17 | BC18 | BC19 | BC20 | |||
. . Multi-directional | . . Rotation | . Means of exciting | . . Coils | . . Methods with current flow | . . Prod methods | . . Current flow-through methods | . . Between-pole methods | . . Magnetic flux flow-through methods | . . Permanent magnets | |||
CA | CA00 MEASURING MAGNETIC VARIABLES |
CA01 | CA02 | CA03 | CA04 | CA05 | CA06 | CA07 | CA08 | CA09 | CA10 | |
. Detecting means | . . Electromagnetic induction effects | . . . Coils | . . Galvanomagnetic effects | . . . Hall effect | . . . Magnetic reluctance effect | . . Magnetostriction effects | . . Deflection of charged particles | . . Magneto-optical effects | . . Variants using superconduction | |||
CA11 | CA12 | CA13 | CA16 | CA17 | CA18 | CA19 | CA20 | |||||
. . Adhering or magnetizing of magnetic bodies | . . . Transfer to magnetic materials | . . Magneto-dynamic effects | . Type of output detected | . . Impedance | . . Current or voltage | . . Frequency | . . Images or light | |||||
CB | CB00 SIGNAL DETECTING, PROCESSING CIRCUITS |
CB01 | CB02 | CB03 | CB04 | CB05 | CB06 | CB07 | CB08 | CB09 | CB10 | |
. Detecting circuits | . . Deviation method | . . Compensation method | . . Zero point method | . . . Bridge method | . . . . Automatic balancing types | . Correcting or compensating circuits | . . Temperature | . . Variants unique to the detecting means | . . Lift-off | |||
CB11 | CB12 | CB13 | CB14 | CB15 | CB16 | CB17 | CB19 | CB20 | ||||
. . Zero point or offset | . Filters | . Converting or arithmetic circuits | . . Modulating circuits | . . Demodulating circuits | . . . Phase detection or synchronous detection | . . Digital conversion | . Switching circuits | . Transmitting circuits | ||||
CB21 | CB22 | CB23 | CB24 | CB25 | CB26 | CB27 | CB28 | CB29 | CB30 | |||
. Data processing circuits | . . Digital processing | . . Statistical processing | . . Differentiating circuits | . . Phase analysis | . . . Figure-eight analysis | . . Image processing | . Display or recording circuits | . . Image display | . . . Vector scopes | |||
CC | CC00 TESTING, CALIBRATING AND DETECTING BREAKDOWNS |
CC01 | CC02 | CC03 | CC04 | CC05 | CC06 | CC07 | CC09 | |||
. Testing or calibrating | . . Variants having testing or calibrating circuits | . . Standard samples | . . Standard test pieces | . . . For detecting flaws using leaked magnetic flux | . . . . For detecting flaws using magnetic powder | . . . For detecting flaws using eddy currents | . Detecting breakdowns | |||||
DA | DA00 MAGNETIC SENSORS (FLAW DETECTING ELEMENTS) |
DA01 | DA02 | DA03 | DA05 | DA06 | DA07 | DA08 | DA09 | DA10 | ||
. Probe types | . Pass-through types (e.g., coils) | . Inserted types (e.g., coils) | . Single unit systems | . Self-comparing systems | . Standard comparison systems | . Self-induction types (e.g., coils) | . Reciprocal induction types (e.g., coils) | . Arrangement of exciting means and magnetic sensors | ||||
DB | DB00 STRUCTURE AND DRIVE OF MAGNETIC SENSOR (FLAW DETECTING ELEMENT) HEADS |
DB01 | DB02 | DB03 | DB04 | DB05 | DB06 | DB07 | DB08 | DB09 | DB10 | |
. Head shape and structure | . . Variants having multiple magnetic sensors (flaw detecting elements) | . . . Variants arranged in a plane | . . . Variants arranged in a ring | . . Variants having other than magnetic detection (flaw detection) sensors | . . . Displacement sensors | . . . Optical sensors | . . Head protecting or shielding means | . . . Protection from mechanical damage | . . . Protection from heat | |||
DB11 | DB12 | DB14 | DB15 | DB16 | DB17 | DB19 | DB20 | |||||
. . . Shielding from magnetic fields | . . . Shielding from electrical fields | . Head holding means | . . Links, gimbals or joints | . . Tracking rollers | . . Floating types | . Head scanning, positioning and tracking | . . Straight-line movement | |||||
DB21 | DB22 | DB23 | DB24 | DB25 | DB26 | DB27 | DB28 | |||||
. . Variants that are rotated or oscillated | . . . Rotation along a circular cross section | . . Adjusting the distance from and angle with the flaw detection face | . . . Eliminating or controlling lift-off | . Self-propelled vehicles | . Robots or manipulators | . Types inserted into tubes | . Transportable or portable types | |||||
G01N27/84 | DC | DC00 ITEMS PERTAINING ONLY TO FLAW DETECTION USING MAGNETIC POWDERS |
DC01 | DC02 | DC03 | DC04 | DC05 | DC07 | DC08 | DC09 | DC10 | |
. Magnetic powders (liquids) | . . Strong magnetic powders | . . Colorants or fluorescing agents | . . Dispersing mediums | . . Additives | . Preparing, using and collecting magnetic powders (liquids) | . . Measuring magnetic powder concentration | . . Controlling magnetic powder concentration | . . Stirring magnetic powders (liquids) | ||||
DC11 | DC12 | DC13 | DC14 | DC15 | DC16 | DC17 | DC18 | DC19 | DC20 | |||
. Dispersing magnetic powders (liquids) | . . Applying magnetic powders (liquids) | . . Dipping into magnetic powders (liquids) | . . Circulating of magnetic powders (liquids) | . . Collecting magnetic powders | . Fixing and transferring magnetic powder patterns | . Detecting and observing magnetic powder patterns | . . Detecting means | . . Illuminating means | . Recognizing and distinguishing flaws |