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Carbon fiber sizing agent evaluation device and evaluation method

An evaluation method and carbon fiber technology, applied in the field of composite materials, can solve the problems of small indicators and achieve the effect of saving evaluation costs

Pending Publication Date: 2018-11-20
HENGSHEN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the research on carbon fiber reinforcements and resin matrices that meet various application requirements has been very complete, but the indicators of the actually prepared composite materials are far below the theoretical level, and failure behaviors such as fracture often occur at the interface of composite materials.

Method used

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  • Carbon fiber sizing agent evaluation device and evaluation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0047] Specifically include the following steps:

[0048] 1. Open the sealed door 4, select the HF10A-12K carbon fiber upper spindle, and fix it on the carbon fiber unwinding device 5, the fibers pass through the porcelain eye 15, the first spreading roller 12, the heating tube 7, the second spreading roller 13, the second Three spreading rollers 14, carbon fiber and nitrogen outlet 2, fourth spreading roller 16, surface treatment device 9, sizing device 10, drying device 11, and finally winding on the fiber winding device 6, requiring fibers to be interspersed in the process, Can not roll.

[0049] 2. Close the airtight door 4, inject nitrogen gas into the nitrogen gas inlet 3, check whether the nitrogen gas flows out at the fiber and nitrogen gas outlet 2, and check whether there is any gas leakage in the housing 1 to ensure that the housing 1 has no gas leakage.

[0050] 3. After 10 minutes of nitrogen gas, turn on the heating tube 7, and set the temperature at 800°C throu...

Embodiment 2

[0060] 1. Open the sealed door 4, select the HF10A-12K carbon fiber upper spindle, and fix it on the carbon fiber unwinding device 5, the fibers pass through the porcelain eye 15, the first spreading roller 12, the heating tube 7, the second spreading roller 13, the second Three spreading rollers 14, carbon fiber and nitrogen outlet 2, fourth spreading roller 16, surface treatment device 9, sizing device 10, drying device 11, and finally winding on the fiber winding device 6, requiring fibers to be interspersed in the process, Can not roll.

[0061] 2. Close the airtight door 4, inject nitrogen gas into the nitrogen gas inlet 3, check whether the nitrogen gas flows out at the fiber and nitrogen gas outlet 2, and check whether there is any gas leakage in the housing 1 to ensure that the housing 1 has no gas leakage.

[0062] 3. After 10 minutes of nitrogen gas, turn on the heating tube 7, and set the temperature at 800°C through the temperature control device 8 to ensure that t...

Embodiment 3

[0072] 1. Open the sealed door 4, select the T700SC-12K carbon fiber upper spindle, and fix it on the carbon fiber unwinding device 5. The fibers pass through the porcelain eye 15, the first spreading roller 12, the heating tube 7, the second spreading roller 13, and the second spreading roller. Three spreading rollers 14, carbon fiber and nitrogen outlet 2, fourth spreading roller 16, surface treatment device 9, sizing device 10, drying device 11, and finally winding on the fiber winding device 6, requiring fibers to be interspersed in the process, Can not roll.

[0073] 2. Close the airtight door 4, inject nitrogen gas into the nitrogen gas inlet 3, check whether the nitrogen gas flows out at the fiber and nitrogen gas outlet 2, and check whether there is any gas leakage in the housing 1 to ensure that the housing 1 has no gas leakage.

[0074] 3. After 10 minutes of nitrogen gas, turn on the heating tube 7, and set the temperature at 800°C through the temperature control de...

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Abstract

The invention discloses a carbon fiber sizing agent evaluation device which comprises a casing, a transport mechanism, a heating device and a sizing mechanism, wherein the casing is provided with an outlet, an inert gas inlet, and a sealing door capable of withstanding high temperature; the transport mechanism comprises a carbon fiber unwinding device, a plurality of yarn spreading rollers and a carbon fiber winding device in sequence; the heating device comprises a heating tube; the unwinding device, the yarn spreading rollers and the heating device are placed inside the casing; the sizing mechanism and the winding device are placed outside the casing; the sizing mechanism comprises a surface treatment device, a sizing device and a drying device sequentially; carbon fiber passes through the outlet and is connected with the sizing mechanism through the yarn spreading rollers, and the carbon fiber passes through the sizing mechanism and is connected to the winding device. The inventionrelates to a carbon fiber desizing and sizing device which is used for testing the fiber sizing effect of a carbon fiber sizing agent, and the device can ensure the sizing effect evaluation of different sizing agents under a same spindle of fiber.

Description

technical field [0001] The invention relates to the technical field of composite materials, and is a carbon fiber desizing and sizing device, which is used for evaluating different sizing agents and sizing amounts under the same carbon fiber condition, and specifically relates to a carbon fiber sizing agent evaluation device and evaluation method. Background technique [0002] Carbon fiber is a fibrous material with excellent comprehensive performance and a carbon content of more than 90%. The preparation of carbon fiber is the process of carbonizing organic fibers under certain conditions. The carbon-containing organic compound is heated in an inert gas atmosphere. When the temperature rises to thousands of degrees Celsius, non-carbon elements will be expelled from the organic matter. And disappear, so the carbon content in the organic matter will gradually increase and eventually form carbon fibers, which have a densely connected carbon atom structure. Carbon fiber is wid...

Claims

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Application Information

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IPC IPC(8): G01N33/00
CPCG01N33/00G01N33/0003
Inventor 彭飞杭传伟徐牛牛
Owner HENGSHEN
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