130results about "Investigating composite materials" patented technology

The present invention addresses to a multidirectional dynamic phase shifting interferometry (DPSI) shearography and interferometry sensor. The present invention uses a configuration with three fixed prisms, or a single fixed three-facet optical prism constructed so as to achieve the same effect as three prisms and thus simultaneously obtain three images with phase shifting. The present invention also encompasses a method of inspection and measurement of vibration modes using said sensor.

The invention relates to a method for sub-surface defect detection of a sample having a sample surface wherein use is made of an imaging system. The invention further relates to an imaging system for sub-surface defect detection for use in the method of the invention. The imaging system comprises: - a sample holder for holding the sample therein; - an excitation source for exciting the sample in the sample holder; - an optical sensor for obtaining an image of the sample surface of the sample in the sample holder, wherein the optical sensor comprises multiple pixels; and - a processor operatively connected to the excitation source and the optical sensor.

Provided is a method for determining the adhesive penetration into at least one porous coating material which is pressed with at least one carrier plate and at least one adhesive layer arranged on the carrier plate. The adhesive penetrates or rises into the at least one porous coating material during the pressing process.

Provided is a method for determining the resin penetration into at least one porous coating material which is pressed with at least one carrier board and at least one resin layer arranged on the carrier board. During the pressing process the resin penetrates or rises into the at least one porous coating material.

The present application relates to the field of product quality inspection and evaluation of composite materials, and in particular, a method for rapid inspection and evaluation of zeolite loading and zeolite loading uniformity in zeolite composite materials, specifically as follows: in a multi-component system containing zeolite, by sequentially performing selective coloring operations and enhanced color development operations on zeolite microparticles, the originally colorless zeolite microparticles are transformed into zeolite particles with a specific dark color, and the color of the non-zeolite components is not changed during the above-mentioned treatment process, thereby transforming the microscopic zeolite loading determination technical problem into a macroscopic color depth analysis problem. The inspection and evaluation method of the present application has the advantages of being fast, low-cost, and capable of parallel operation. Based on the inspection and evaluation method provided by the present application, an analysis technology for continuous and non-omission load uniformity information of the inspection area can be developed.

Method, apparatus, and system for inspecting a cathode electrode plate of a composite material tape are provided. The method includes: using a camera apparatus to photograph a composite material tape being transported on a laminator to obtain an inspection image covering the composite material tape, where the inspection image includes a cathode electrode plate body region; extracting the cathode electrode plate body region from the inspection image; and inspecting the cathode electrode plate body region to determine a metal leakage defect existing in the cathode electrode plate body region. In the technical solution of the embodiments of this application, an inspection can be performed on a composite material tape being transported on a laminator, so that a metal leakage defect existing on a cathode electrode plate can be detected in real time in the production process of a laminated cell assembly.

Provided is a method for the simultaneous determination of parameters, in particular of at least two, three or four parameters, of at least one resin layer applied to at least one carrier material by recording and evaluating at least one NIR spectrum in a wavelength range between 500 nm and 2500 nm, preferably between 700 nm and 2000 nm, more preferably between 900 nm and 1700 nm, and particularly advantageously between 1450 nm and 1550 nm, using at least one NIR measuring head, in particular at least one NIR multimeter head.

The invention discloses a method and a device for detecting the compactness of building solid waste recycled aggregates based on image processing, and the method comprises the following steps: carrying out a vibration compaction test on the building solid waste recycled aggregates with different gradations and dosages, and collecting surface images by using a camera to respectively obtain the compactness corresponding to the aggregates with different gradations and dosages; segmenting the aggregate image by using an improved YOLOv8-seg model, and extracting an image index related to the compactness; training the image index parameters, the gradation, the usage and the corresponding compactness by using a machine learning model to obtain a compactness prediction model; and verifying the compaction degree prediction model by using the to-be-tested building solid waste regenerated filler with known gradation and dosage. Compared with a traditional method, rapid, simple and non-destructive detection of the roadbed compactness of the building solid waste recycled aggregate can be carried out through image processing, machine learning and other methods, the investment of manpower and material resources is reduced, and the industry benefits are improved.

Provided is a method for determining the resin penetration into at least one porous coating material which is pressed with at least one carrier board and at least one resin layer arranged on the carrier board. During the pressing process the resin penetrates or rises into the at least one porous coating material.

A computer-implemented method for characterizing a heterogeneous material comprising dispersed components, particularly particulate components, dispersed within a continuous phase of a condensate comprises the steps of: a) providing or selecting a sample of the heterogeneous material to be analyzed; b) acquiring at least one digital image of the sample by a camera of a computing device, particularly a mobile computing device, or by a camera connected to a computing device, particularly a mobile device, and / or by reading into the computing device at least one digital image previously recorded by a stand-alone camera; and c) determining the following characteristics: size parameters, particularly granularity parameters, shape parameters, and the like, determined by image analysis in the at least one digital image. performing image analysis, in particular image particle analysis, of at least one digital image to extract one or more of the following characteristics: particle shape parameters, in particular particle distribution, orientation parameters, in particular particle orientation parameters, surface parameters, in particular particle surface parameters, roughness parameters, in particular particle roughness parameters, packing density, uneven distribution parameters, color, and / or area fraction of components, in particular particulate components; and / or area fraction of continuous phases identified by image analysis in the at least one digital image; d) making one or more of the extracted characteristics in step c) available via a user interface, via a machine interface, and / or on a data storage medium.

The invention relates to a method for detecting defects on the surface of a fiber material comprising a fiber composite material, the fiber material being a component of a fiber composite material comprising the fiber material and a matrix material embedding the fiber material, by means of an optical detection system. The invention also relates to a method for depositing fiber material of a fiber composite material comprising the fiber material and a matrix material embedding the fiber material onto a tool surface, wherein an optical detection system detects the surface of the deposited fiber material and detects defects in the deposited fiber material depending on the detected surface, and classifies the type of defect. The invention also relates to an apparatus for this purpose.

A tool for use with Automated Fiber Placement (AFP) machines and systems for use in in-process inspection of composite parts. The AFP system uses a robot, fiber guide, compaction roller, heating system, and an in-process inspection tool. The in-process inspection tool utilizes at least one profiler housed within a support bracket, which mounts the profiler on an AFP head of the AFP system such that the profiler does not interfere with the AFP layup, but outputs an in-process inspection signal representing a surface profile of a fiber strip as it is placed onto a molding for a composite part by the AFP head.

A system for discriminating an eco-friendly material for a vehicle, and a method of discriminating an eco-friendly material for a vehicle using the same is disclosed. More specifically, through the system for discriminating an eco-friendly material for a vehicle by using fluorescence spectroscopic analysis on an eco-friendly material for a vehicle, which can be discriminated and is made of a composite in which a fluorescent material with a unique emission characteristic and a plastic material are mixed, the discrimination method quickly and reliably discriminates an eco-friendly plastic material for a vehicle from fluorescence and spectral characteristics of the fluorescent material.

A non-destructive method provided for characterising a component (12) comprising unidirectional continuous carbon fibres having a main x-y plane, the continuous fibres being oriented along the x-axis, the method comprising measuring broadband electromagnetic terahertz radiations in function of time using a plurality of time delay stage positions, the method allowing to retrieve a value of at least one parameter indicative of a carbon content of the component (12).

An inspection method that inspects an adhesion amount of a bed powder on a ceramic compact is provided. Also, a method for manufacturing a ceramic substrate using the inspection method is provided. A method for inspecting an amount of adhered bed powder according to an embodiment includes an adhesion process and an inspection process. The adhesion process includes adhering a bed powder to a surface of a ceramic compact. The inspection process includes inspecting an adhesion amount of the bed powder by using a photoelectric sensor or an image sensor and by detecting a reflected light or a transmitted light of the surface.

To provide a method for characterizing a ply of fiber having thermoplastic veil.SOLUTION: A method for characterizing a ply of fiber having thermoplastic veil includes: a step to acquire an image of a fiber material including fiber strand and further including veil of filaments of a thermoplastic substance; a step to divide the image into a plurality of slices; a step to determine the amount of dissolved filaments shown in each slice; and a step to determine the amount of undissolved filaments shown in each slice.SELECTED DRAWING: None

The invention relates to a hyperspectral borescope system, and discloses a method and apparatus for inspecting a structure. Electromagnetic radiation is transmitted from an electromagnetic radiation emission system to a surface on a structure. The response to electromagnetic radiation is filtered using a filter located within the borescope inspection housing. The filter is configured to pass several wavelengths in a response to electromagnetic radiation directed toward the surface on the structure. Data from a number of wavelengths passed through a filter is generated using a sensor array. A two-dimensional image of a surface on a structure is generated with a set of graphical indicators that indicate a set of inconsistencies that are not visible to the naked eye. The two-dimensional image is generated using data from the sensor array.

Composite component 1 comprises matrix material 3 interspersed with reinforcement material 2a, 2b and forming surface 4 of the component. Lamp 12 directs incident light 11 having a first wavelength on

The present disclosure provides a defect-detectable fiber fabric, including a plurality of bunches of fibers and a plurality of braided threads configured to respectively fix together fibers of each bunch of fibers. The plurality of braided threads include first braided threads each having a color different from a color of any of the plurality of bunches of fibers, and a respective distance between every two adjacent first braided threads is configured to make wrinkle defects that could be formed in fabric layers detectable. After the curing and molding, the positions of the defects and the layer(s) where the defects are formed can be determined according to the states of the first braided threads.

The disclosure provides a novel method for inspecting a molded article, the method enabling non-destructive inspection of an internal condition of a molded article containing fluorine, and a method for producing a molded article including the inspection method. The method for inspecting a molded article includes a step (A1) of inspecting an internal condition of a molded article having a fluorine content of 30% by mass or more based on image data obtained by imaging the molded article by optical coherence tomography.

A controller of an atomic system controls operation of potential sources to cause potential generating signals to be provided. Application of the potential generating signals to respective potential generating elements causes performance of a split operation causing confinement of a first subset of atomic objects of an object crystal in a first potential well and a second subset of atomic objects of the object crystal in a second potential well. The first subset consists of one or more atomic objects. The object crystal includes atomic objects of at least two species. The controller controls operation of manipulation sources to cause manipulation signals to be incident on the first subset. The controller receives a sensor signal generated by a photodetector configured to capture fluorescence signals generated by the first subset. The controller processes the sensor signal to determine a respective species of at least one atomic object of the first subset.

A system for locating a strand including fibers of a first woven preform material, the preform including, at the surface, strands of fibers of a second material and the strand including fibers of the first material forming a tracer. The system further includes a camera; a light source emitting a non-polarized incident beam configured to be directed towards the preform; a polarizer configured to polarize the non-polarized incident beam before interacting with the preform in order to obtain a polarized incident beam; and a crossed analyzer; the first material being chosen from among glass, aramid and aluminum oxide; the second material being chosen from among carbon and silicon carbide; the camera being configured to film a reflected beam originating from the interaction of the polarized incident beam with the preform, the reflected beam having previously crossed the crossed analyzer, so as to locate the tracer of the preform.

Inspection system for checking joint ends of a sheet product An inspection system 100 for checking a distance between joint ends 102 of a sheet product 104 having predetermined length, width and thickness parameters is provided. A marking unit prints transverse marks (T1, T2) on a first end 106 and a second end 108 at a predetermined distance (D1, D2) from first edge portions (110, 116), second edge portions (112, 118) and center portions (114, 120). A detection unit acquires images formed from pixels associated with the distance between the transverse marks (T1, T2).A processing unit applies a geometric mesh to surfaces of the sheet product 104 representing nodes identifying the first end 106, the second end 108, the first edge portions (110, 116), the second edge portions (112, 118) and the central portions (114, 120). A junction is defined based on calculated distances (C1, C2, C3, C4) between nodal points (T1.1, T1.2, T1.3, T1.4) on the transverse mark T1 and nodal points (T2.1, T2.2, T2.3, T2.4) on the transverse mark T2. Figure for abstract: Fig. 1.

A tack assessment system (3000) comprising a computer system (3012) and an analyzer (3014) in the computer system (3012). The analyzer (3014) is configured to control a spectroscopy system (3071) to generate a test electromagnetic scan (3075) for a test section (3027, 3324) of an unconsolidated composite material (3024) at a test location (3219, 3319) in a composite material manufacturing system (3023) in real time during manufacturing of the unconsolidated composite material (3024) by the composite material manufacturing system (3023). The analyzer (3014) is configured to determine a tack quality (3082, 3202, 3302) for the test section (3027, 3324) of the unconsolidated composite material (3024) at the test location (3219, 3319) based on a distance between the test electromagnetic scan (3075) and a number of reference electromagnetic scans (3086) for a number of reference unconsolidated composite materials (3086) having a number of known tack qualities (3087).

The present disclosure provides a defect-detectable fiber fabric, including a plurality of bunches of fibers and a plurality of braided threads configured to respectively fix together fibers of each bunch of fibers. The plurality of braided threads include first braided threads each having a color different from a color of any of the plurality of bunches of fibers, and a respective distance between every two adjacent first braided threads is configured to make wrinkle defects formed in fabric layers detectable. By using the fiber fabric including the high-density distributed first braided threads to manufacture blades of wind turbines and other products, the wrinkle defects can be identified in time according to the states of the first braided threads in the process of laying the fiber fabric on a large area. After the curing and molding, the positions of the defects and the layer(s) where the defects are formed can be determined according to the states of the first braided threads, thereby preventing destructive detection or maintenance.

Regarding to a fiber-reinforced material formed by deforming a reinforcing material composed of a plurality of fiber layers from an initial shape and molding into a predetermined shape, an identification device, an identification method, and an identification program generate a first data in which a physical quantity distribution inside the fiber-reinforced material is mapped to the initial shape, perform binarization of the first data to generate a second data in which a label identifying the fiber layer is mapped to the initial shape, and map the second data to a predetermined shape, based on a deformation data.

The present application relates to a method, system, equipment and medium for predicting the mineralization potential of rare metals. The prediction method comprises: obtaining tourmaline distribution data of a target area; performing microscopic petrographic analysis on tourmaline samples based on the tourmaline distribution data to identify the genetic type and ring-zone structure characteristics of the tourmaline samples; performing major element and trace element detection on the tourmaline samples according to the genetic type and ring-zone structure characteristics of the tourmaline samples to obtain major element data and trace element data; and determining the FeO2 content in the major element data based on the FeO2 content in the tourmaline samples. T The MgO ratio and the Nb and Sn contents in the trace element data, combined with the B isotope δ 11 B value, establish a magma-hydrothermal evolution model; based on the magma-hydrothermal evolution model, determine the characteristic element thresholds for rare metal mineralization potential; based on tourmaline distribution data and characteristic element thresholds, identify favorable prospecting areas in the target area. This application can effectively predict favorable areas for rare metal prospecting.

The present invention reduces the burden of installing a detection sensor for monitoring a liquid such as a liquid resin. A detection sensor according to the present invention comprises: an optical transmission body group that includes a plurality of optical transmission bodies which each transmit light supplied from a light source; and a thin band-shaped holder that supports the optical transmission body group. The holder is provided with a first holder element that supports one or more optical transmission body groups, on a support surface that expands in a first direction and in a second direction orthogonal to the first direction. The plurality of optical transmission bodies are arranged in the second direction.