Wall-slip velocity as a quantitative measure of powder-binder separation during powder injection moulding

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F70883521%3A28110%2F10%3A63509288" target="_blank" >RIV/70883521:28110/10:63509288 - isvavai.cz</a>
Alternative codes found
RIV/67985874:_____/10:00358187
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Wall-slip velocity as a quantitative measure of powder-binder separation during powder injection moulding
Original language description
This paper tends to point out the specific features of PIM compounds which should be taken into account in their rheological characterization as a necessaey approach to optimize moulding step of the process. A lot of effort has been paid to describe thepowder-binder separation during the flow through the mould channels in the quantitative way. Flow curves undergoing the structural changes during shearing are not a monitonically decreasing, but instead they exhibit minima/maxima upon increasing shear rate. Therefore, the multi-parameter rheological model, descriing the flow peculiarities of PIM compounds, must be firstly developed and approved on reliable experimetal data. Further, it is supposed that wall slip can serve as a quantitative parameter directly connected to the powder-binder separation. As it depends not only on material and processing parameters, but also on the microscopic nature of a channel wall, rheometer with special roughned plates was designed to carry out wall sli
Czech name
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Czech description
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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)

Publication year
2010
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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