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Method and apparatus for infiltration of a micro/nanofiber film

A technology of fiber membrane and impregnation, which is applied in the direction of hot-dip plating process, coating, metal material coating process, etc., can solve the problems of not being able to achieve sufficient pressure, undesired, etc., and achieve the effect of favorable composite material properties

Active Publication Date: 2017-04-19
SHT SINTERMA
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Existing continuous processes based on lamination techniques are not capable of achieving sufficient pressure to infiltrate the small pores of micro- and nanofiber-based membranes and lead to undesired pores

Method used

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  • Method and apparatus for infiltration of a micro/nanofiber film
  • Method and apparatus for infiltration of a micro/nanofiber film
  • Method and apparatus for infiltration of a micro/nanofiber film

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Embodiment Construction

[0028] The invention will now be described more fully hereinafter with reference to the accompanying drawings, in which presently preferred embodiments of the invention are shown. However, this invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided for sufficiency and completeness, and to teach one skilled in the art person fully conveyed the scope of the invention. The same reference numerals refer to the same elements throughout.

[0029] The present invention relates to a process for the complete and uniform infiltration of a metal / alloy matrix material into a continuous film of micro- and / or nanofibers. More specifically, the present invention relates to processes and tools for forming such composite materials in roll-to-roll production.

[0030]Figure 1 schematically illustrates an apparatus 100 for roll-to-roll manufacture of impregnated micro / nanofibrous membr...

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Abstract

There is provided an apparatus and method for manufacturing of an infiltrated fiber-based composite film. The apparatus comprises two tool blocks arranged opposite each other enabling a fiber-based film to be arranged between the tool blocks. At least one of the tool blocks comprises a recess so that the recess can form a sealed cavity enclosing a portion of the film when the tool blocks are in contact with each other. At least one of the tool blocks comprises a vacuum channel connecting cavity to a vacuum pump for drawing a vacuum in the cavity; a melt channel connecting the cavity to a source of molten material. The melt channel comprises a valve arrangement controlling delivery of the molten material to the cavity; pressure means to achieve an elevated pressure onto the molten material within the cavity such that a fiber film in the cavity is infiltrated by the molten material; and an ejection piston for ejecting an infiltrated fiber film from the cavity.

Description

technical field [0001] The present invention relates to the manufacture of composite materials. In particular, the present invention relates to methods and machines for manufacturing micro / nanofiber based composite materials. Background technique [0002] Composite membranes consisting of micro- and / or nanofibrous membranes and impregnated metal matrices can be fabricated with advantageous thermal and mechanical properties. In particular, such thermally conductive films may be used at the junction between two surfaces to facilitate heat transfer. One area of ​​application of interest involves high-performance microelectronic components, where efficient cooling of the components is necessary. Thus, a thermally conductive film can be provided between the active component and the cooling device or between the chip and the heat sink / cover to facilitate heat conduction away from the component. [0003] However, currently, it is difficult to impregnate materials into membranes ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C2/08C23C2/36C23C2/02C22C47/02C22C47/12B22D19/14
CPCC23C2/08C23C2/36C22C47/12B22D11/008C22C47/025C22C47/06C22C49/02B22D19/14
Inventor 约翰·刘卡尔·桑登
Owner SHT SINTERMA
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