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| Number | Title | Issue Date |
| 7946180 | Displacement measurement method and apparatus, strain measurement method and apparatus, elasticity and visco-elasticity constants measurement apparatus, and the elasticity and visco-elasticity constants measurement apparatus-based treatment apparatus The present invention provides elastic constant and visco elastic constant measurement apparatus etc. for measuring in the ROI in living tissues elastic constants such as shear modulus, Poisson's ratio, Lame constants, etc., visco elastic constants such as visco she... | 05/24/2011 |
| 7752916 | Apparatus and method for material testing of microscale and nanoscale samples Methods and apparatus for testing a microscale or nanoscale sample. A testing stage comprises a frame having first and second laterally opposing ends and first and second side beams. At least one deformable force sensor beam is disposed near the first opposing end a... | 07/13/2010 |
| 7739917 | Pipe formability evaluation for expandable tubulars A method of testing a tubular member and selecting tubular members for suitability for expansion by subjecting a representative sample the tubular member to axial loading, stretching at least a portion of the tubular member through elastic deformation, plastic yield... | 06/22/2010 |
| 7694578 | Method of evaluating materials using curvature A method of evaluating material properties of polymeric materials includes making one or more material samples or slabs, with each of the samples or slabs having a pair of material layers in contact with one another. The layers are layers of organic matrix polymer m... | 04/13/2010 |
| 7533577 | Determination of elastomer material properties for the Mullins effect using a bi-axial test device Systems and methods for determining material properties of elastomers for the Mullins effect are described. In one aspect of the present invention, material properties of an elastomer membrane specimen are obtained using a system comprising a bi-axial test device, a... | 05/19/2009 |
| 7472602 | Determination of elastomer material properties for the Mullins effect using a bi-axial test device Systems and methods for determining material properties of elastomers for the Mullins effect are described. In one aspect of the present invention, material properties of an elastomer membrane specimen are obtained using a system comprising a bi-axial test device, a... | 01/06/2009 |
| 7441465 | Measurement of properties of thin specimens based on experimentally acquired force-displacement data A method and system are provided for obtaining force-displacement responses for a specimen or sample of material. The sample is supported with a spanning portion spanning in an environment between at least three points not in a line, wherein the points are fixed rel... | 10/28/2008 |
| 7418353 | Determining film stress from substrate shape using finite element procedures A method for determining the stresses in a film applied to a substrate from measured substrate shape. The substrate is first analyzed using finite element techniques to obtain nodal forces at the surface of the substrate to which the film is applied, based on measur... | 08/26/2008 |
| 7395722 | Mechanical property measurement of thin films by micro plane-strain compression This invention is directed to the measurement of stress-strain relationships in thin films using substantially flat, parallel test surfaces with minimal width. This invention is further directed to the measurement of stress-strain relationships in thin films at cont... | 07/08/2008 |
| 7356449 | Method and program product for solid mechanics modelling workbench and dynamic display An embodiment of a method and a program product of the invention has steps of selecting a model from a plurality of models in a model library, with at least one of the models being a constitutive model. Load data and load path data are input to the model to generate... | 04/08/2008 |
| 7340371 | System, method, and computer program product for performing transformation of rotations to translations during finite element stiffness formulation A system, method, and computer program product for transformation of rotations to translation degrees of freedom in structural analysis during finite element formulation. ... | 03/04/2008 |
| 7302858 | MEMS capacitive cantilever strain sensor, devices, and formation methods An embodiment of the invention provides a MEMS cantilever strain sensor. Capacitor plates in a MEMS device of the invention are carried on cantilevered opposing micro-scale plates separated by a micro-scale gap under an unstrained condition. At least one of the micr... | 12/04/2007 |
| 7302368 | Method and arrangement for forming construction This invention relates to the forming of a construction, where structural models representing structural members and the models of the loads describing real loads are used. The models of the loads are situated in the same space with the structural models of the cons... | 11/27/2007 |
| 7281434 | Service life sensor device A device for monitoring the service life of a machine-technical installation includes a sensor module and at least a measuring sensor for detecting stresses and expansions from a structural component of the machine-technical installation, a microcontroller, an anten... | 10/16/2007 |
| 7275423 | Automatic speed calculation for scratch machine An improved surface testing apparatus, such as a scratch test apparatus, allows accurate determination of the test speed, for example using one or more magnetic sensors. An example scratch test apparatus comprises an arm assembly, and an attached blade moving over t... | 10/02/2007 |
| 7261000 | Methods of assessing characteristics of fibrous substrates and treating fibrous substrates A method of assessing damage of a fibrous substrate comprises the steps of: (a) providing said fibrous substrate having a length, a root end, and a tip end; (b) providing a means for assessing substrate moisture content; (c) using said means for assessing substrate ... | 08/28/2007 |
| 7260509 | Method for estimating changes in product life resulting from HALT using quadratic acceleration model A method provides early estimation of product life using accelerated stress testing data. In an embodiment, data measured from a product operating in a first, high-stress environment is used to predict how long the product will operate in a second, normal operating ... | 08/21/2007 |
| 7254492 | Method of computing energy loss generated in viscoelastic material and method for evaluating energy loss of golf ball by using method of computing energy loss A method of computing an energy loss generated in a viscoelastic material, including analyzing a dynamic behavior of a to-be-analyzed object composed of the viscoelastic material by a numerical analysis method; and computing the energy loss of the object momently wh... | 08/07/2007 |
| 7241349 | Nondestructive evaluating method for aged deterioration in austenitic stainless steel A nondestructive evaluating method for aged deterioration in austenitic stainless steel comprises an information obtaining step for previously obtaining a relationship between an applied stress σ and the first ratio Ms/χH* between a saturation magnetiza... | 07/10/2007 |
| 7240562 | Method for modeling material constitutive behavior In modeling material constitutive behavior, a methodology determines tool-chip friction and a position of a stagnation point on a cutting tool. The methodology includes measuring a ratio of cutting force to thrust force and measuring a chip thickness, hch... | 07/10/2007 |
| 7231315 | Distribution goodness-of-fit test device, consumable goods supply timing judgment device, image forming device, distribution goodness-of-fit test method and distribution goodness-of-fit test program A distribution goodness-of-fit test device for testing whether measured data matches an estimated probability distribution has a counting section determination unit, a counting unit and a goodness-of-fit test unit. The counting section determination unit determines ... | 06/12/2007 |
| 7219556 | Yarn snarling testing apparatus and method A process for measuring snarling properties of a yarn is provided. Firstly a first and a second point of the yarn are held in close proximity, and a portion of the yarn between the two points is of a predetermined length. A predetermined tension force is temporarily... | 05/22/2007 |
| 7201061 | Three dimensional, real time load frame alignment apparatus and method A system and method for assisting in real time alignment of an alignment specimen within a load frame. In one implementation an instrumented alignment specimen is used to provide information from which the deflection of the specimen at various points along the speci... | 04/10/2007 |
| 7203604 | Method of predicting mechanical behavior of polymers A method of determining performance characteristics and/or internal structural features of hyperelastic polymer materials includes performing at least one macro-level loading experiment on a sample comprised of a given composition. From the macro-level loading exper... | 04/10/2007 |
| 7149673 | Method for estimating changes in product life for a redesigned product A method provides early estimation of product life using accelerated stress testing data. In an embodiment, data measured from a product operating in first, high-stress environment is used to predict how long the product will operate in a second, normal operating en... | 12/12/2006 |
| 7130748 | Simulation method for estimating performance of product made of viscoelastic material A simulation method includes the step of momently measuring a value of each of a strain, a strain speed, and a stress generated in the viscoelastic material, deriving time history data of a viscous drag, the strain speed and the stress, thereby deriving a relationsh... | 10/31/2006 |
| 7089160 | Model for modifying drill data to predict hole locations in a panel structure A method of creating a mathematical model which is employed in the determination of at least one work location in a multi-layered laminated circuit panel. The mathematical model for modifying drill data takes into consideration translational and rotational compensat... | 08/08/2006 |
| 7062983 | Simulation apparatus A simulation apparatus is provided comprising a fixed main body; a carriage associated with the main body for movement relative to the main body; a first device coupled to the fixed main body for engaging a workpiece; a second device coupled to the carriage for move... | 06/20/2006 |
| 7050912 | Method of determining the elastoplastic behavior of components consisting of anisotropic material and use of the method A method of determining the elastoplastic behavior of components, in particular of gas turbine plants, at high temperatures. First of all, the linear-elastic behavior is determined and the inelastic behavior is taken into account on the basis of the linear-elastic r... | 05/23/2006 |
| 7044461 | Method and apparatus for adjustably induced biaxial strain An apparatus comprising a shape memory alloy is configured as a ring shaped sample holder for a transmission electron microscope and imparts uniform biaxial strain on a thin film mounted within. The sample holder responds to a change in temperature by changing the i... | 05/16/2006 |
| 7010149 | Method and system of fusion of two digital radiographic images A method of fusion of a first digital radiographic image obtained as a result of scanning with a second digital radiographic image obtained by magnetic resonance imaging (MRI). A CT interval of gray levels is selected first in the scanner image. Each pixel of the sc... | 03/07/2006 |
| 7003074 | Stress measurement method using X-ray diffraction A stress of a c-axis-oriented specimen of a tetragonal polycrystal is measured using X-ray diffraction under the assumption of a plane stress state. An X-ray optical system is set in the location of φ=0°, 45° or 90°. An X-ray diffracted at a crystal plane (the d... | 02/21/2006 |
| 6963844 | Method for qualifying die material and testing dies A method (10) for acquiring material for use within a die and for determining whether a die has certain characteristics which would allow the die to have a relatively long operating life. The method (10) requires that a suppler of a die provide certain... | 11/08/2005 |
| 6948356 | Viscoelasticity measuring instrument A viscoelasticity measuring instrument for measuring a viscoelasticity of a sample has a temperature detection control unit for obtaining, prior to a practical measurement operation, a measurement executable temperature range for the sample by an experimental temper... | 09/27/2005 |
| 6936471 | Instrument for high throughput measurement of material physical properties and method of using same An apparatus and method for screening combinatorial libraries of materials by measuring the response of individual library members to mechanical perturbations is described. The apparatus generally includes a sample holder for containing the library members, an array... | 08/30/2005 |
| 6901809 | Structural stress analysis This need is met by the present invention wherein structural stress in a fatigue-prone region of a structure is determined by using the nodal forces and displacement values in the fatigue-prone region, or equilibrium-equivalent simple stress states consistent with e... | 06/07/2005 |
| 6874369 | Stress measurement method using X-ray diffraction A stress of a c-axis-oriented specimen of a tetragonal polycrystal is measured using X-ray diffraction under the assumption of a plane stress state. An X-ray optical system is set in the location of φ=0°, 45° or 90°. An X-ray diffracted at a crystal plane (the d... | 04/05/2005 |
| 6868735 | Method for nondestructively evaluating aged deterioration of ferromagnetic construction materials Aged deterioration of ferromagnetic construction materials is nondestructively evaluated by applying to an evaluating material a magnetic field whose magnetic field amplitude is rather low, distinguishing various lattice defects, and quantifying them separately. A m... | 03/22/2005 |
| 6871162 | Non-iterative method for a fully-coupled thermomechanical analysis of a tire and estimating effects of compound changes on tire temperature distribution using the deformation index A simple method of handling thermomechanical coupling for temperature computation in a rolling tire. First, the sensitivity of the tire elastic response to changes in material stiffness is characterized using the “deformation index”. Then, using a commercial fin... | 03/22/2005 |
| 6845671 | Inverse method to estimate the properties of a flexural beam and the corresponding boundary parameters A system and method is used for estimating the properties of a flexural beam. The beam is shaken transverse to its longitudinal axis. Seven frequency domain transfer functions of displacement are measured at spaced apart locations along the beam. The seven transfer ... | 01/25/2005 |
