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Compound porous structure of micro groove and fiber and preparation method thereof

A technology of porous structure and manufacturing method, which is used in the manufacture of tools, planers, accessories of tool holders, etc., to achieve the effects of reducing energy consumption, reducing overheating temperature, and improving service life

Inactive Publication Date: 2011-06-15
SOUTH CHINA UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to address the defects of the existing enhanced boiling structure, and propose a composite porous structure of micro grooves and fibers for enhanced boiling heat transfer with simple manufacturing process, low equipment requirements and low cost

Method used

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  • Compound porous structure of micro groove and fiber and preparation method thereof
  • Compound porous structure of micro groove and fiber and preparation method thereof
  • Compound porous structure of micro groove and fiber and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A method for manufacturing a composite porous structure of microgrooves and fibers, comprising the steps of:

[0028] The first step is the processing of the plow cutting-extrusion tool. Such as figure 1 , 2 , 3, the plow cutting-extrusion tool 1 is a forming tool, including a cutting edge 11, two rake surfaces 12, two forming surfaces 13 and a flank 14. The intersection line of the two rake faces 12 is the cutting edge 11, the two rake faces 12 are respectively connected with the two forming surfaces 13, and the two forming surfaces 13 are connected by the flank 14, the two rake faces 12, the two forming surfaces 13, the relief The faces 14 meet at the tip point. Both the rake face 12 and the forming face 13 are symmetrical about the cutting plane passing the cutting edge 11 . The function of the cutting edge 11 is to separate the metal so that the metal flows to the two rake faces: the function of the rake face 12 is to extrude the separated metal to deepen the gr...

Embodiment 2

[0034] A method for manufacturing a composite porous structure of microgrooves and fibers, comprising the steps of:

[0035] The first step is the processing of the plow cutting-extrusion tool. Such as figure 1 , 2 , 3, the plow cutting-extrusion tool 1 is a forming tool, including a cutting edge 11, two rake surfaces 12, two forming surfaces 13 and a flank 14. The intersection line of the two rake faces 12 is the cutting edge 11, the two rake faces 12 are respectively connected with the two forming surfaces 13, and the two forming surfaces 13 are connected by the flank 14, the two rake faces 12, the two forming surfaces 13, the relief The faces 14 meet at the tip point. Both the rake face 12 and the forming face 13 are symmetrical about the cutting plane passing the cutting edge 11 . The function of the cutting edge 11 is to separate the metal so that the metal flows to the two rake faces: the function of the rake face 12 is to extrude the separated metal to deepen the gr...

Embodiment 3

[0041] A method for manufacturing a composite porous structure of microgrooves and fibers, comprising the steps of:

[0042] The first step is the processing of the plow cutting-extrusion tool. Such as figure 1 , 2 , 3, the plow cutting-extrusion tool 1 is a forming tool, including a cutting edge 11, two rake surfaces 12, two forming surfaces 13 and a flank 14. The intersection line of the two rake faces 12 is the cutting edge 11, the two rake faces 12 are respectively connected with the two forming surfaces 13, and the two forming surfaces 13 are connected by the flank 14, the two rake faces 12, the two forming surfaces 13, the relief The faces 14 meet at the tip point. Both the rake face 12 and the forming face 13 are symmetrical about the cutting plane passing the cutting edge 11 . The function of the cutting edge 11 is to separate the metal so that the metal flows to the two rake faces: the function of the rake face 12 is to extrude the separated metal to deepen the gr...

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Abstract

The invention discloses a compound porous structure of a micro groove and fiber and a preparation method thereof. The compound porous structure comprises irregular fine broken fibers dispersed on the base body of a micro groove and the wall surface of the micro groove. The broken fibers comprise a plurality of coralloid fiber granules; and a large number of multi-size holes are formed between thefiber granules and between the micro groove and the fine broken fibers. The preparation method comprises the steps: processing the base body of the micro groove by a furrowing-pressing cutter; decontaminating; washing; putting the base body into an atmosphere protecting type heating furnace; introducing nitrogen gas, argon gas or helium gas for protecting and heating to 460 to 480 DEG C; hydrogenprocessing by reducing hydrogen gas; heating to 580 to 620 DEG C; keeping the temperature for 30 to 45 minutes at 580 to 620 DEG C; annealing and cooling to room temperature. The compound porous structure of a micro groove and fiber has the advantages of simple technology, high production efficiency and low cost and can be widely applied to the fields of energy sources, chemical engineering, refrigeration, spaceflight, electrons and the like.

Description

technical field [0001] The invention relates to an enhanced boiling structure, in particular to a composite porous structure of micro grooves and fibers for enhanced boiling heat transfer and a manufacturing method thereof. Background technique [0002] With the continuous consumption of energy, the requirement of saving and effectively using energy becomes more and more prominent. Enhanced boiling heat transfer technology is of great significance to improve the effective utilization of energy, the development of new energy and the reliable operation of equipment under high heat load. Various enhanced boiling heat transfer structures have been widely used in thermal power, chemical industry, electronics, nuclear energy, refrigeration, aerospace and other fields. Commonly used enhanced boiling heat transfer structures include ribbed structure, microchannel structure, and porous structure (commonly there are five types: sintered type, sprayed type, electroplated type, machine...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F28F13/00B23B27/06B23B5/48B23D1/26C21D1/26C21D1/74
Inventor 汤勇邓大祥陆龙生
Owner SOUTH CHINA UNIV OF TECH