A method for measuring a non-magnetic coating thickness upon a non-magnetic gas turbine component, such as a hot gas path component, can comprise applying a magnetic coating, such as a ferrous coating, upon the non-magnetic gas turbine component, applying a non-magnetic coating, such as a metallic bond coating, upon the magnetic coating, and measuring a thickness of the non-magnetic coating with a magnetic induction probe. The magnetic induction probe can be calibrated to the magnetic coating before the non-magnetic coating is applied. Measuring of the thickness of the non-magnetic coating can be used to validate spray patterns of automated spray processes. The magnetic and non-magnetic coatings can be stripped from the gas turbine component and used to validate additional spray patterns.

A method of cleaning a component includes providing the component following the operation of the component in a high temperature environment, the component including a thermal barrier coating (TBC), cleaning the TBC of the component using a sponge jet blasting process, and measuring a cleaned thickness of the TBC to verify that the cleaned thickness exceeds a predetermined minimum value that will allow the return of the component to the high temperature environment.

Apparatus for providing an interactive inspection map are disclosed. An example apparatus for providing an interactive inspection map of an inspection surface may include an inspection visualization circuit to provide an inspection map to a user device in response to inspection data provided by a plurality of sensors operationally coupled to an inspection robot traversing the inspection surface, wherein the inspection map corresponds to at least a portion of the inspection surface. The apparatus may further include a user interaction circuit to interpret a user focus value from the user device, and an action request circuit to determine an action in response to the user focus value. The inspection visualization circuit may further update the inspection map in response to the determined action.

Probes are provided with caps, the caps comprise rolling bearing elements so that the probes can be slid along a surface to be measured, without damaging the surface or wearing away the tip of the probe or a sacrificial cap. The rolling bearing elements can be arranged in a ring around the probe tip, with the plane of the foremost edges of the rolling bearing elements a predetermined distance from the probe tip. The caps can comprise a housing with a grip, to encourage users to grip the cap, which comprises the rolling bearing elements, rather than the probe.

An eddy current sensor assembly includes an eddy current sensor and an output signal processing circuit that processes an output signal from the eddy current sensor. The output signal processing circuit includes a mixer circuit that accepts the output signal and a signal of the predetermined frequency as input, multiplies the two signals received as input, and outputs an output signal obtained by the multiplication, and a low-pass filter that accepts the output signal output by the mixer circuit as input, cuts a high-frequency signal included in the output signal received as input, and outputs at least a direct-current (DC) signal.

An electronic device comprising a housing and an actuating element movable relative to the housing, wherein the actuating element comprises at least one metallic component, wherein the device comprises an inductive sensor for detecting a position and/or movement of the actuating element, wherein the inductive sensor comprises: a first measuring resonant circuit having a sensor coil, and an oscillation generator configured to generate an excitation oscillation and to at least temporarily apply the excitation oscillation to the first measuring resonant circuit.

Various embodiments provide a thickness sensor and method for measuring a thickness of discrete conductive features, such as conductive lines and plugs. In one embodiment, the thickness sensor generates an Eddy current in a plurality of discrete conductive features, and measures the generated Eddy current generated in the discrete conductive features. The thickness sensor has a small sensor spot size, and amplifies peaks and valleys of the measured Eddy current. The thickness sensor determines a thickness of the discrete conductive features based on a difference between a minimum amplitude value and a maximum amplitude value of the measured Eddy current.

Robotic inspection device for tank and pipe inspections includes a housing configured to be positioned on a portion within a flow apparatus. The portion has a wall with a coating on the wall. The coating has a coating thickness. The device has a magnetic transducer mounted to the housing. The magnetic transducer is configured to measure a magnetic flux permeability through the coating on the wall. A computer system is mounted to the housing. The computer system is operatively coupled to the magnetic transducer. The computer system includes one or more processors and a computer-readable medium storing instructions executable by the one or more processors to perform operations. The operations include receiving magnetic flux permeability measured by the magnetic transducer at a location on the portion and determining a coating thickness at the location based on the magnetic flux permeability measured at the location.

A system includes an apparatus for performing an inspection on an inspection surface with an inspection robot, the apparatus comprising: a controller configured to: interpret inspection data comprising sensed information from a location on an inspection surface; determine a feature of interest is present at the location of the inspection surface in response to the inspection data, and in response to determining the feature of interest is present at the location of the inspection surface, capture image information from the location on the inspection surface, and correlate the captured image information with the inspection data corresponding to the location of the inspection surface.

The invention relates to a method for measuring the thickness of non-magnetisable layers (51) on a magnetisable base material (52), the permeability of which is not known, having a measuring probe (11), which has a probe head (17), which comprises a pot core (31) having a first and second coil (36, 37), which lie on a common geometric axis (16), and in which the first and second coils (36, 37) form a first coil pair (38), and which has a bearing calotte (21) in a common axis (16), in which the probe head (17) is placed on the layer (51) to measure the thickness of the layer (51) on the base material (52), wherein a first interaction volume is detected by the first coil pair (38) with a field focusing caused by the pot core (31), a second interaction volume is detected by a second coil par (44) with a first and second coil (42, 43), which is arranged outside the pot core (31) and jointly with the geometric axis (16) without field focusing by the pot core (21), and the detected first and second base material volume is processed in an evaluation device (13) and compared to each other for compensating a permeability of the base material (52), on which the layer (51) to be measured is applied, and a layer thickness is output for the measured layer (51), which is corrected by the influence of the permeability of the base material (52).