Galvanizing carbon fiber foamed light metal and preparation method thereof

A light metal and carbon fiber technology, applied in the field of foamed light metal, can solve the problems of limited use scope, poor strength and toughness, etc., achieve wide practicability, and solve the effects of wettability and interface problems

Inactive Publication Date: 2011-11-09
TAIYUAN UNIVERSITY OF SCIENCE AND TECHNOLOGY
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, due to its poor strength and toughness, its scope of use is limited to a certain extent.

Method used

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  • Galvanizing carbon fiber foamed light metal and preparation method thereof
  • Galvanizing carbon fiber foamed light metal and preparation method thereof

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Embodiment Construction

[0018] 1. Weigh zinc chloride 180g / L, ammonium chloride 80g / L, boric acid 25g / L, dextrin 20g / L and mix them together with water as solvent to make galvanizing solution, use pure zinc plate as anode, carbon fiber As the cathode, the cathode current density is 5-6A / dm 2 , the unsized 1K carbon fiber is introduced into the electroplating pool through 5 godet rollers of equal size for galvanizing treatment, and then galvanized carbon fiber is led into the washing tank through 5 godet rollers of equal size for cleaning in running water after 6 minutes, and then washed with Infrared drying, cut into short galvanized carbon fibers with a length of 1-3mm.

[0019] 2. Add 3g of galvanized short carbon fiber and 0.5% carboxymethyl starch ether dispersant to 50ml of saturated brine and stir evenly with ultrasonic vibration, then add 45g of 0.8-1.5mm salt particles into the above mixture and mix evenly Finally, put it into a container with a diameter of φ30mm and a height of 80mm, and th...

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Abstract

The invention provides a galvanizing carbon fiber foamed light metal and a preparation method thereof, and relates to foamed light metal technical field. The foamed light metal is composed by galvanizing carbon fiber and light metal. The preparation method comprises the following steps: (1) electroplating carbon fiber in a solution formed by zinc chloride, ammonium chloride, boric acid and dextrin; (2) adding a certain amount of galvanizing short fiber and carboxy methyl amylum ester into saturated salt water and followed by stirring uniformly, and adding a certain amount of salt particle to mix the mixture uniformly and followed by compaction; (3) heating the above mixture and followed by a heat preservation treatment to form a preform; (4) putting the preform into a mould, and filling salt particle to the full around the preform for compaction; (5) heating the preform to a temperature of 300-350 DEG C and followed by a heat preservation treatment, and pouring an overheated light metal solution into the mould to fill gap of the salt particle; (6) washing the salt particle away with water after cooling and solidification to obtain the galvanizing carbon fiber foamed light metal. The galvanizing carbon fiber foamed light metal has the advantages of high strength, high modulus and the like, and has wide and practical application.

Description

technical field [0001] The invention belongs to the technical field of foamed light metal, and in particular relates to a galvanized carbon fiber foamed light metal which utilizes galvanized carbon fiber to enhance the performance of the foamed light metal and a preparation method thereof. Background technique [0002] Foamed light metals such as foamed aluminum and foamed magnesium, due to their high porosity, low density, and large specific surface area, have good performance in electrical conductivity, heat conduction, sound absorption, shock absorption, energy absorption, and electromagnetic shielding. It is widely used in metallurgy, machinery, communication, transportation, construction, and even aerospace and other fields. However, due to its poor strength and toughness, its scope of use is limited. Contents of the invention [0003] The object of the present invention is to provide a light metal foam with a new structure, which can effectively overcome the shortco...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C47/06C22C47/12C22C49/14C25D7/00C25D5/54C22C101/10C22C121/02
Inventor 张敏刚罗小萍柴跃生
Owner TAIYUAN UNIVERSITY OF SCIENCE AND TECHNOLOGY
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