公开(公告)号：US20240272052A1

公开(公告)日：2024-08-15

申请号：US18451746

申请日：2023-08-17

Applicant: Wonjune Choi ,  Maxwell Kulak ,  Wonmo Kang

Inventor： Wonjune Choi ,  Maxwell Kulak ,  Wonmo Kang

IPC: G01N3/08 ,  G01N3/06

CPC classification number: G01N3/08 ,  G01N3/068 ,  G01N2203/0017 ,  G01N2203/0051 ,  G01N2203/0075 ,  G01N2203/028 ,  G01N2203/0647 ,  G01N2203/0676

Abstract: A method and device for electro-thermo-mechanical tensile testing of wires is disclosed. The device includes a sample frame having upper and lower parts, with the upper part coupled to the lower part through a plurality of sacrificial supports, the upper and lower parts each having an electrical contact pad. The upper and lower parts are electrically non-conductive. The device also includes a wire sample with tracking beads, the wire sample affixed to the upper and lower parts such that the electrical contact pads of the upper and lower parts are communicatively coupled through the wire sample. The device also includes a piezo actuator coupled to the upper part, a weight coupled to the lower part, a power supply configured to pass a current through the wire sample, an electronic balance beneath the weight, and a digital camera pointed at the tracking beads of the wire sample.

公开(公告)号：US11994497B2

公开(公告)日：2024-05-28

申请号：US17622842

申请日：2021-12-22

Applicant: HUIZHOU CHINA STAR OPTOELECTRONICS DISPLAY CO., LTD.

Inventor： Yichun Huang

IPC: G01N3/04 ,  G01N3/20

CPC classification number: G01N3/04 ,  G01N3/20 ,  G01N2203/0023 ,  G01N2203/0037 ,  G01N2203/0075 ,  G01N2203/047

Abstract: The present application provides a testing device. The testing device includes: a box, a pressing mechanism, a sliding mechanism, a transmission mechanism, and first clamping mechanisms. The pressing mechanism is located inside the box. A gap between the pressing mechanism and the first side of the box is used to place substrates to be tested. The pressing mechanism is slidably connected to the sliding mechanism. The transmission mechanism is connected to the pressing mechanism to drive the pressing mechanism to move. Each first clamping mechanism is used to hold one of the substrates to be tested.

公开(公告)号：US20240159715A1

公开(公告)日：2024-05-16

申请号：US18280932

申请日：2022-03-17

Applicant: UNIVERSITY OF SOUTHERN CALIFORNIA

Inventor： Payam Eliahoo ,  BO Han ,  Richard Leahy ,  Kirk Shung

IPC: G01N29/34 ,  G01N11/00 ,  G01H9/00

CPC classification number: G01N29/343 ,  G01N11/00 ,  G01H9/008 ,  G01N2011/0073 ,  G01N2203/0075 ,  G01N2203/0094 ,  G01N2291/02818 ,  G01N2291/02827 ,  G01N2291/044

Abstract: A system, apparatus, method, algorithm and/or device (collectively, “system”) for non-contact or contactless ultrasound viscoelastic spectroscopy measures the viscoelastic properties of soft matter through exerting modulated ultrasound pressure waves, so called stress signals and measuring the material deformation, so called strain imaging, over a wide range of frequencies, and may be applied to various fields including but not limited to material science, polymer designing, tissue engineering, cancer drug development and/or biological tissue assessment for disease diagnosis and prognosis. By measuring the elastic and viscous moduli, the phase difference between them, and Poisson's ratio over a wide range of frequencies, this allows for non-destructive tests on soft matter such as biological tissue, by ultrasound probes.

公开(公告)号：US11913935B2

公开(公告)日：2024-02-27

申请号：US17059724

申请日：2019-06-21

Applicant: LG Chem, Ltd.

Inventor： Hyunsup Lee ,  Seong Min Chae ,  Kyung Seop Noh ,  Heekwang Park ,  Ki Soo Lee ,  Sangjin Jeon ,  Myunghan Lee

IPC: G01N33/36 ,  D04H1/4291 ,  D04H1/56 ,  D04H3/007

CPC classification number: G01N33/367 ,  D04H1/4291 ,  D04H1/565 ,  D04H3/007 ,  G01N2203/0075

Abstract: The present invention relates to polypropylene non-woven fabric having excellent loft property, a method for preparing polypropylene non-woven fabric having excellent loft property, and a method for evaluating the properties of the polypropylene resin.

公开(公告)号：US20230349779A1

公开(公告)日：2023-11-02

申请号：US18039993

申请日：2021-11-11

Applicant: CHINA UNIVERSITY OF MINING AND TECHNOLOGY, BEIJING

Inventor： Yang JU ,  Jiangtao ZHENG ,  Zhangyu REN ,  Wenbo GONG

IPC: G01N3/12 ,  G01L1/24 ,  G01N15/08

CPC classification number: G01L1/24 ,  G01N3/12 ,  G01N15/082 ,  G01N2203/0048 ,  G01N2203/0075 ,  G01N2203/0647

Abstract: Disclosed are a testing system and method under fluid-solid coupling effects. A dynamic stress field during fluid flow, deformation of a porous rock framework, real-time evolution of the stress field and deformation of a fluid-solid interface under fluid-solid coupling effects can be obtained, on the basis of a collected photo-elastic stripe image and a surface deformation image. A stress field of a solid framework and fluid in porous rock, and a strain field of the solid framework and the fluid-solid interface under fluid-solid coupling effects can be visually and quantitatively displayed by means of a display device.

公开(公告)号：US11753933B2

公开(公告)日：2023-09-12

申请号：US17650922

申请日：2020-09-03

Applicant: ExxonMobil Technology and Engineering Company

Inventor： Brian Crawford ,  William C. Reese ,  Jordan A. Freysteinson ,  Janelle M. Homburg

IPC: E21B49/02 ,  G01N33/24 ,  E21B49/00 ,  E21B21/08 ,  E21B43/26 ,  E21B49/06

CPC classification number: E21B49/006 ,  E21B21/08 ,  E21B43/26 ,  E21B49/06 ,  G01N33/24 ,  G01N2203/0075

Abstract: A method for predicting a total minimum horizontal stress (σh) and a total maximum horizontal stress (σH) for an anisotropic formation may comprise: measuring Young's moduli parallel ±15° and perpendicular ±15° to a transverse isotropy plane of a horizontal core sample from the anisotropic subterranean formation; measuring Poisson's ratios parallel ±15° and perpendicular ±15° to the transverse isotropy plane of the horizontal core sample; inputting the measured Young's moduli and Poisson's ratios of the horizontal core sample into a 1-dimensional mechanical earth model (1-D MEM); and calculating, using the 1-D MEM, a predicted total minimum horizontal stress (σh) and a predicted total maximum horizontal stress (σH).

公开(公告)号：US20190242857A1

公开(公告)日：2019-08-08

申请号：US16341491

申请日：2017-09-21

Applicant: SORBONNE UNIVERSITE ,  CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE ,  INSERM (INSTITUT NATIONAL DE LA SANTE ET DE LA RECHERCHE MEDICALE)

Inventor： Pascal DARGENT ,  Quentin GRIMAL

IPC: G01N29/24 ,  G01N29/036 ,  G01N29/22 ,  G10K11/24

CPC classification number: G01N29/245 ,  G01H13/00 ,  G01N29/036 ,  G01N29/043 ,  G01N29/223 ,  G01N29/28 ,  G01N2203/0075 ,  G01N2291/014 ,  G01N2291/023 ,  G01N2291/02827 ,  G01N2291/101 ,  G01N2291/102 ,  G01N2291/265 ,  G01N2291/269 ,  G10K11/24

Abstract: Disclosed is a piezoelectric transducer of the type including a stack of a contact piece, a piezoelectric pellet and a support of very great stiffness. Specifically, the contact piece forms tips, the respective apex of which constitutes contact points that are spatially isolated from one another. Also disclosed is a process for the manufacture of such a contact piece as well as a resonant ultrasound spectroscopy device including one or more of such piezoelectric transducers.

公开(公告)号：US09645041B2

公开(公告)日：2017-05-09

申请号：US13760169

申请日：2013-02-06

Applicant: Endurica LLC

Inventor： William V. Mars

IPC: G01M5/00 ,  G01N22/00

CPC classification number: G01M5/005 ,  G01M5/00 ,  G01M5/0033 ,  G01M5/0041 ,  G01N3/56 ,  G01N22/00 ,  G01N2203/0069 ,  G01N2203/0071 ,  G01N2203/0075 ,  G01N2203/0216 ,  G01N2291/0235 ,  G01N2291/0258

Abstract: A method for analyzing fatigue life of an elastomeric component includes a step of conducting a finite element analysis to obtain a base state. A plurality of case vectors are then selected to represent a space of possible loading states that occur within a time-varying load data signal based on measurement of the elastomeric component or on a simulation of multibody dynamics. For at least a portion of the case vectors, a finite element analysis is conducted at a plurality of discrete gridpoints along the case vectors starting at the base state and tracking the case vector. Using an interpolation engine, desired local solution variables for a current state may be interpolated from the finite element analysis at the plurality of discrete gridpoints. A damage calculation may then be calculated based on the desired local solution variables for the current state.

公开(公告)号：US20160349160A1

公开(公告)日：2016-12-01

申请号：US14727236

申请日：2015-06-01

Applicant: The Boeing Company

Inventor： Jack J. Esposito ,  Samuel J. Tucker

IPC: G01N3/18

CPC classification number: G01N3/18 ,  B29C66/721 ,  B29C66/7212 ,  B29C70/202 ,  B29C70/207 ,  B29C70/228 ,  B29C70/30 ,  G01N3/08 ,  G01N2203/0017 ,  G01N2203/006 ,  G01N2203/0062 ,  G01N2203/0073 ,  G01N2203/0075 ,  G01N2203/0091 ,  G01N2203/0096 ,  G01N2203/0208 ,  G01N2203/0252 ,  G01N2203/028 ,  G01N2203/0282 ,  G01N2203/0298 ,  G01N2291/0231 ,  G01N2291/0258

Abstract: A composite test coupon includes a plurality of plies. The plurality of plies include first ply layers and second ply layers. The first ply layers have first fibers and a substantially uniform matrix material associated with the first fibers. The second ply layers have second fibers and a pre-stressed matrix material associated with the second fibers. The first fibers are oriented in a first direction, and the second fibers are oriented in a second direction that is different from the first direction. The pre-stressed matrix material includes stress induced cracks between the second fibers of each of the second ply layers.

Abstract translation: 复合试样包括多个层。 多个层包括第一层层和第二层层。 第一层层具有第一纤维和与第一纤维相关联的基本均匀的基质材料。 第二层层具有第二纤维和与第二纤维缔合的预应力基体材料。 第一纤维沿第一方​​向定向，第二纤维沿与第一方向不同的第二方向定向。 预应力基体材料包括在每个第二层层的第二纤维之间的应力引起的裂纹。

公开(公告)号：US09055893B2

公开(公告)日：2015-06-16

申请号：US13559149

申请日：2012-07-26

Applicant: Akihiko Kandori ,  Kuniomi Ogata ,  Ryuzo Kawabata ,  Yuko Sano ,  Takako Mizoguchi

Inventor： Akihiko Kandori ,  Kuniomi Ogata ,  Ryuzo Kawabata ,  Yuko Sano ,  Takako Mizoguchi

IPC: A61B5/117 ,  A61B5/103 ,  A61B5/00 ,  A61B5/02

CPC classification number: A61B5/103 ,  A61B5/0053 ,  A61B5/02007 ,  A61B5/442 ,  A61B2562/0219 ,  G01N2203/00 ,  G01N2203/0075 ,  G01N2203/0076

Abstract: For measuring hardness of an object, a measurement apparatus is pushed against the object and a degree of hardness calculation system calculates hardness based on information from the measurement apparatus. The measurement apparatus includes an acceleration sensor which outputs first information of acceleration of a contact area of the measurement apparatus, and a second sensor, such as a magnetic sensor or a pressure sensor, which outputs second information based on pressure applied to the contact area. The degree of hardness calculation system generates a second-derivative waveform by twice differentiating a waveform based on the output of the second sensor, compares the second-derivative waveform and the information of acceleration from the acceleration sensor, and calculates hardness of the object based on the comparison result.

Abstract translation: 为了测量物体的硬度，将测量装置推压到物体上，并且一定程度的硬度计算系统基于来自测量装置的信息来计算硬度。 测量装置包括：加速度传感器，其输出测量装置的接触区域的加速度的第一信息;以及第二传感器，例如磁传感器或压力传感器，其基于施加到接触区域的压力输出第二信息。 硬度计算系统通过基于第二传感器的输出对波形进行二次微分而产生二次微分波形，从加速度传感器比较二次微分波形和加速度信息，并基于 比较结果。