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Instrument for high throughput measurement of material physical properties and method of using same

Freitag , Christopher (2001) Instrument for high throughput measurement of material physical properties and method of using same. GO1N 3/00;.

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    Abstract

    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 of probes for mechanically perturbing individual library members, and an array of sensors for measuring the response of each of the library members to the mechanical perturbations. Library members undergoing screening make up a sample array, and individual library members constitute elements of the sample array that are confined to specific locations on the sample holder. During screening, the apparatus mechanically perturbs individual library members by displacing the sample array (sample holder) and the array of probes. Typically, all of the elements of the sample array are perturbed simultaneously, but the apparatus also can also perturb individual or groups of sample array elements sequentially. The flexible apparatus and method can screen libraries of materials based on many different bulk physical properties, including Young's modulus (flexure, uniaxial extension, biaxial compression, and shear); hardness (indentation), failure (stress and strain at failure, toughness), adhesion (tack, loop tack), and flow (viscosity, meltflow indexing, and rheology), among others.

    Item Type: Patent
    Uncontrolled Keywords: high throughput screening ; combinatorial materials discovery ; polymers ; films ; mechanical property ; parallel measurements
    Subjects: Q Science > QC Physics
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    Departments: Faculty of Science and Technology > Physics
    ID Code: 58475
    Deposited By: ep_importer_pure
    Deposited On: 29 Oct 2012 14:30
    Refereed?: No
    Published?: Published
    Last Modified: 26 Mar 2013 15:18
    Identification Number: GO1N 3/00;
    URI: http://eprints.lancs.ac.uk/id/eprint/58475

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