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Study on Carbon Fiber Reiforced Ni Matrix Plate Made by Plasma Spraying

Author: SunGuanHong
Tutor: HeXiaoDong
School: Harbin Institute of Technology
Course: Materials Science
Keywords: Plasma spraying Carbon fiber Electroless plating Nickel-based composite materials
CLC: TB332
Type: Master's thesis
Year: 2008
Downloads: 33
Quote: 0
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Abstract


This article to such plasma spraying method is the main process , 1K poly acrylonitrile fibers compiled into the there weft plain weave carbon fiber fabric as reinforcement , using electroless plating of the method on the surface of the fiber carried out processing , and by such ion spray method in the enhanced body bilateral surface spraying Ni the base alloy powder is pure Ni micron particle size powder , and then prepared in the densification process after vacuum hot pressing , heat treatment , etc. out of the carbon fiber reinforced composite material of the nickel-base . Increased infiltration of nickel metal and carbon fiber to prevent both react using the chemical plating on carbon fiber surface protection treatment , pre-treatment process and the bath formulations of chemical plating system . Thermogravimetric analysis method , to find a suitable carbon fiber ashing temperature (450 ℃); using X-ray photoelectron spectroscopy ( XPS ) , Fourier transform infrared spectroscopy (FTIR) , respectively, the functional groups on the carbon fiber surface roughening conditions analysis, and select the appropriate roughened condition (ammonium persulfate roughening solution roughened 2 hours) . Using scanning electron microscopy ( SEM ) , energy spectrum analysis (EDS), high - temperature tensile tests and other means to study the preparation of a carbon fiber reinforced composite microstructure , nickel-based high - temperature tensile properties . The results show that the tensile properties of the material largely depends on the mechanical properties of the matrix material , hot pressing temperature of 1100 ° C , the tensile properties of the material is poor , and the hot pressing temperature of 1200 ° C , the material at room temperature pull the tensile properties has been significantly improved , and the main difference between them is that the base material is sufficiently densified . However , the high-temperature tensile properties of the materials obtained are not ideal .

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CLC: > Industrial Technology > General industrial technology > Materials science and engineering > Composite materials > Non-metallic composite materials
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