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PRESSURE-DEPENDENT PROPERTIES OF CEMENTED CARBIDES BASED PIM COMPOUNDS

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F70883521%3A28110%2F08%3A63507036" target="_blank" >RIV/70883521:28110/08:63507036 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    PRESSURE-DEPENDENT PROPERTIES OF CEMENTED CARBIDES BASED PIM COMPOUNDS

  • Original language description

    Cemented carbides (CC) are powder metallurgical liquid phase sintered composites, where hard and wear resistance of tungsten carbide component and ductility of metallic phase predestines their applications in the tool manufacturing industry. Powder Injection Moulding (PIM) of CC represents highly efficient processing route in comparison to die pressing or cold isostatic pressing. However, introduction of polymer binder as a temporary medium enabling processing of powder materials via injection mouldingtogether with its tailoring to powder characteristics requires complex rheological study. Since the effect of temperature is considered automatically, the ?pressure? influence is still obeyed in the flow simulation programs. Our previous studies of pressure-affected flow properties of highly filled polymeric materials intended for PIM reveal the following observations: pressure sensitivity coefficients of both - polymer binders and their composites with filler - are dependent on temperat

  • Czech name

    Tlakově závislé reologické vlastnosti PIM materiláů na bázi slinutých karbidů

  • Czech description

    V současnosti je výzkum Powder Injection Moulding (PIM) materiálů zaměřen především na podchycení kritických faktorů. Počet proměnných v PIM technologii je značně vysoký a jejich vzájemné vztahy jen částečně objasněny. Tokové vlastnosti jsou klíčové provstřikovací fázi PIM procesu, kde tlak hraje podstatnou roli. Tlaková závislost - oproti předpokladům z literatury - není lineární klesající funkcí koncentrace prášku, a navíc jsou závislé na charakteristice prášku.

Classification

  • Type

    D - Article in proceedings

  • CEP classification

    JI - Composite materials

  • OECD FORD branch

Result continuities

  • Project

    <a href="/en/project/GA103%2F08%2F1307" target="_blank" >GA103/08/1307: Rheological modelling of high-pressure polymer flows</a><br>

  • Continuities

    Z - Vyzkumny zamer (s odkazem do CEZ)

Others

  • Publication year

    2008

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Article name in the collection

    PPS-24 The Polymer Processing Society 24th Annual Meeting

  • ISBN

    88-7897-025-5

  • ISSN

  • e-ISSN

  • Number of pages

    4

  • Pages from-to

  • Publisher name

    Polymer Processing Society (IT)

  • Place of publication

    Salerno

  • Event location

    Salerno

  • Event date

    Jun 19, 2008

  • Type of event by nationality

    WRD - Celosvětová akce

  • UT code for WoS article