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Element analysis method of silicon carbide particle reinforced aluminum-based composite material

A technology of silicon carbide particles and reinforced aluminum base, which is applied in the direction of material analysis by electromagnetic means, material analysis, and weighing by removing certain components, which can solve problems such as not easy to obtain, achieve mild reaction and ensure completeness , the effect of simple operation

Pending Publication Date: 2020-08-18
ANHUI XIANGBANG COMPOSITE MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, it is not easy to obtain a complete sample that meets the requirements of ICP-AES determination by using the common sample dissolution method.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Accurately weigh 0.5g of the sample (accurate to 0.0001g), add it to a 400ml polytetrafluoroethylene beaker, then add 25ml of tetramethylamine hydroxide 25% w / w aqueous solution, and the violent reaction of the dissolved components in the strong alkaline solution is completed Finally, heat the concentrated solution under normal pressure and at a low temperature of 95-105°C until a colloidal solution is formed, add 3g of potassium perchlorate powder to the concentrated colloidal solution and stir evenly with a polytetrafluoroethylene stirring rod to carry out oxidation reaction After the oxidation reaction is completed, add 1+1 (v / v) hydrochloric acid solution to adjust the pH value to 0.5, then filter with a sand core crucible or ceramic crucible, collect the filter cake, and dry to constant weight. The quality is the quality of silicon carbide, and then calculate the mass fraction or volume fraction of silicon carbide according to the quality of silicon carbide; after t...

Embodiment 2

[0030] Accurately weigh 1g of the sample (accurate to 0.0001g), add it to a 400ml polytetrafluoroethylene beaker, then add 25ml of tetrabutylamine hydroxide 25% w / w aqueous solution, after the violent reaction of the dissolved components in the strong alkaline solution is completed , then under normal pressure and at 95-105 ℃ low temperature heating concentrated solution, until forming a colloidal solution, add 3g of potassium perchlorate powder to the colloidal solution obtained by concentration and stir evenly with a polytetrafluoroethylene stirring rod, carry out oxidation reaction, After the oxidation reaction is completed, add 1+1 (v / v) hydrochloric acid solution to adjust the pH value to 0.5, then use a sand core crucible or ceramic crucible to filter, collect the filter cake, and dry to constant weight. That is the quality of silicon carbide, and then obtain the mass fraction or volume fraction of silicon carbide according to the quality of silicon carbide; after the fil...

Embodiment 3

[0032] Accurately weigh 1g of the sample (accurate to 0.0001g), add it to a 400ml polytetrafluoroethylene beaker, and then add 25ml of 10mol / L sodium hydroxide solution. Press down and heat the concentrated solution at a low temperature of 95-105°C until a colloidal solution is formed, add 3g of sodium peroxide powder to the concentrated colloidal solution and stir evenly with a polytetrafluoroethylene stirring rod to carry out the oxidation reaction, and the oxidation reaction is completed Finally, add 1+1 (v / v) hydrochloric acid solution to adjust the pH value to 1, then use a sand core crucible or ceramic crucible to filter, collect the filter cake, and dry to constant weight. The quality of the obtained dried material is carbonization According to the quality of silicon carbide, the mass fraction or volume fraction of silicon carbide is calculated according to the quality of silicon carbide; after the above-mentioned filtered filtrate is fixed to 500ml, a test sample is obt...

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Abstract

The invention discloses an element analysis method of a silicon carbide particle reinforced aluminum matrix composite. The preparation method comprises the following steps: dissolving a silicon carbide particle reinforced aluminum-based composite material into a strong alkaline solution; performing evaporating and concentrating at low temperature to obtain a colloidal solution; adding strong oxidant powder into the colloidal solution and uniformly performing stirring; performing oxidation reactions; after oxidation reaction, adjusting the pH value to strong acidity; performing filtering, collecting a filter cake, and performing drying to constant weight, wherein the mass of the dried material is the mass of the silicon carbide; calculating the mass fraction or the volume fraction of the silicon carbide according to the mass of the silicon carbide, fixing the volume of the filtered filtrate to obtain a test sample, and determining the content of other elements except the silicon carbidein the test sample through ICP-AES. According to the method for oxidizing the silicon carbide particle reinforced aluminum-based composite material through the water evaporation temperature, the contents of various elements in the silicon carbide particle reinforced aluminum-based composite material can be smoothly and accurately determined by ICP-AES.

Description

technical field [0001] The invention relates to the field of detection of chemical components of composite materials, in particular to an elemental analysis method for silicon carbide particle-reinforced aluminum-based composite materials. Background technique [0002] Composite materials are composed of two or more materials with different properties, which are composed of materials with new properties in the macro (micro) through physical or chemical methods. Various materials produce synergistic effects in performance, so that the comprehensive performance of the composite material is better than that of the original constituent materials to meet various requirements. [0003] The control and improvement of the properties of silicon carbide particle reinforced aluminum matrix composites are inseparable from the accurate determination of various elemental components in the composites. Inductive Coupled plasma Atomic Emission Spectrometry (ICP-AES for short) analysis techn...

Claims

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Application Information

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IPC IPC(8): G01N27/62G01N5/04G01N1/28G01N1/44G01N1/40G01N1/38G01N1/34
CPCG01N27/62G01N5/04G01N1/28G01N1/44G01N1/40G01N1/38G01N1/34
Inventor 王鹏举王磊刘预王建忠吴浩易志高
Owner ANHUI XIANGBANG COMPOSITE MATERIAL
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