TENSION LOAD FIXTURE AND METHOD FOR EVALUATING FRACTURE BEHAVIOR OF A COMPOSITE MATERIAL

    公开(公告)号:US20230341303A1

    公开(公告)日:2023-10-26

    申请号:US17726091

    申请日:2022-04-21

    CPC classification number: G01N3/08 G01N2203/04 G01N2203/0017

    Abstract: A tension load fixture for applying tension or loading forces to a specimen comprises a pair of tension arms and an imaging device. The pair of tension arms are configured to releasably couple to opposite end regions of a specimen and to apply tension or loading forces to the specimen. The specimen is configured to be positioned between the pair of tension arms and defines a notch between the opposite end regions of the specimen. The notch extends from a side of the specimen to a middle region of the specimen. The imaging device is configured to capture one or more images of the middle region of the specimen and is configured to rotate about a central axis of the tension load fixture that is proximate to the middle region of the specimen to facilitate generation of a three-dimensional image of the middle region of the specimen as the specimen is subjected to tension or loading forces.

    SYSTEM AND METHOD FOR PREDICTING FAILURE INITIATION AND PROPAGATION IN BONDED STRUCTURES

    公开(公告)号:US20200257768A1

    公开(公告)日:2020-08-13

    申请号:US16274868

    申请日:2019-02-13

    Abstract: A method includes obtaining failure initiation characteristics of a bonding layer of one or more bonded structures and determining, based on the failure initiation characteristics, a first characteristic dimension for each analysis element of a first portion of a finite element analysis model. The method includes obtaining failure propagation characteristics of the bonding layer and determining, based on the failure propagation characteristics, a second characteristic dimension for each analysis element of a second portion of the model. The method includes assigning a first set of material parameters to analysis elements of the first portion of the model and assigning a second set of material parameters to analysis elements of the second portion of the model. The method includes evaluating failure modes of the one or more bonded structures based on a solution to the model, the first set of material parameters, and the second set of material parameters.

    Compression test fixture and method therefor

    公开(公告)号:US10578528B2

    公开(公告)日:2020-03-03

    申请号:US15447245

    申请日:2017-03-02

    Abstract: A compression test fixture including a first specimen engagement member having a first channel, the first channel having a first depth; a second specimen engagement member having a second channel having a second depth that is different than the first depth; and at least one coupling member engaged to both the first specimen engagement member and the second specimen engagement member such that a gap is defined between the first specimen engagement member and the second specimen engagement member, where the first channel and the second channel support the test specimen within the gap such that at least one opposing major surface of the test specimen is visible within the gap.

    SYSTEM, METHOD AND APPARATUS OF ANALYTICAL CRITERIA FOR COMPOSITE STRUCTURE DURABILITY AND CERTIFICATION

    公开(公告)号:US20230118613A1

    公开(公告)日:2023-04-20

    申请号:US17501798

    申请日:2021-10-14

    Abstract: Systems, apparatuses and methods provides for technology that generates a plurality of discrete and finite elements associated with a component, where a number of the plurality of discrete and finite elements corresponds to a size of an estimated process zone. The technology further identifies material input properties of the component, models crack propagation throughout the plurality of discrete and finite elements based on the material input properties and models a release response in the plurality of discrete and finite elements based on the material input properties.

    Reinforced composite structure analysis system

    公开(公告)号:US11379628B2

    公开(公告)日:2022-07-05

    申请号:US16584119

    申请日:2019-09-26

    Abstract: A method, apparatus, and system for managing a composite structure. A set of component models is created for a set of components in the composite structure. A set of embedded reinforcement element models is placed within the set of component models for the set of components in the composite structure to form a composite structure model for the composite structure. The set of embedded reinforcement element models is for a set of embedded reinforcements embedded within the set of components in the composite structure. A structural analysis of the composite structure is performed using the composite structure model formed by the set of component models and the set of embedded reinforcement element models, wherein the set of embedded reinforcement element models enables modeling at least one of a deformation or a failure of embedded reinforcements.

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