Composite material producing extruding-casting, permeating and sintering process and equipment

A composite material and extrusion casting technology, which is applied in the direction of mechanical equipment, heat exchange equipment, rotors, etc., can solve the problem of not yet producing high melting point black metal-based particle-reinforced composite materials, and not producing high melting point black bimetallic composite materials, etc. Problems, to achieve the effect of small grain size, high utilization rate of metal materials, and smooth surface

Inactive Publication Date: 2003-04-09
丁刚
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] China "Casting" magazine, Vol. 51, No. 4, Page 205-208, April 2002, disclosed and reported the production of non-ferrous metals with low melting point by die casting in the article "Research Status and Prospects of Casting Metal-based Particle Reinforced Composite Materials". For metal-based particle-reinforced

Method used

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  • Composite material producing extruding-casting, permeating and sintering process and equipment
  • Composite material producing extruding-casting, permeating and sintering process and equipment
  • Composite material producing extruding-casting, permeating and sintering process and equipment

Examples

Experimental program
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Effect test

Example Embodiment

[0027] Example 1: figure 1 In the equipment, there is a base 8 on which a lower die 7 is connected. The lower die 7 is a lower die 7 with a core. There is an extrusion head 1 above the lower die 7, which is connected to the extrusion head 1. There are upper mold 2, upper mold 2 is a hollow upper mold, upper mold 2 and lower mold 7 are coated with heat-resistant coating 5, and a reinforcing phase preform 4 is placed on the periphery of lower mold 2. Casting molten steel 6 between the core of 7 and the reinforcing phase prefabricated block 4, pressing the upper die 2 down, can obtain the composite material.

[0028] First, according to the performance and working conditions of the product, select the corresponding one or several kinds of refractory compound particles, or their short fiber whiskers and other reinforcing phase materials, or alloy elements that can form carbides and a certain proportion of carbon, and the ratio is According to the chemical dosage ratio and adding the ...

Example Embodiment

[0030] Example 2: figure 2 In the central part of the lower die 7, a reinforced phase preform 4 is placed, and molten steel 6 is cast between the core of the lower die 7 and the reinforced phase preform 4 to form a composite material with a reinforced phase material in the inner diameter. Others are the same as in Example 1, omitted.

Example Embodiment

[0031] Example 3: image 3 Among them, the upper die 9 is a solid core die, and the lower die 10 is a concave die. Place the reinforcement phase preform 4 outside the cavity of the lower die 10, and cast molten steel 6 in the reinforcement phase preform 4 to produce The outer layer contains a composite material of reinforcing phase material or self-lubricating material or a mixture thereof. Others are the same as in Example 1, omitted.

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Abstract

The technological process of producing composite material includes mixing reinforcing hard phase material, self-lubricating material and self-smelting alloy powder as well as adhesive and flux in certain proportion in a material mixer; pressing into prefabricated block in required shape and setting into stove after natural drying for 24 hr; preheating extruding and casting mold, painting heat resisting paint and stoving; setting the prefabricated block into the mold, stoving and casting with the refined molten metal; and extruding in a extruder to penetrate the molten metal into the interval between reinforcing phase material to obtain the reinforced composite material product.

Description

technical field [0001] The invention relates to a production process of a metal-based composite material and a bimetallic composite material with reinforcing phase materials on the surface, in particular to an extrusion casting infiltration sintering process for producing composite materials and equipment. Background technique [0002] China "Casting" magazine, Vol. 51, No. 4, Page 205-208, April 2002, disclosed and reported the production of non-ferrous metals with low melting point by die casting in the article "Research Status and Prospects of Casting Metal-based Particle Reinforced Composite Materials". For metal-based particle-reinforced composite materials, no high-melting-point black metal-based particle-reinforced composite materials have been produced by the above method, nor have high-melting point black bimetallic composite materials and bimetallic composite materials containing hard phase reinforcement or self-lubricating Composites of material...

Claims

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Application Information

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IPC IPC(8): B22D17/00B22D18/02B22D19/00
Inventor 丁刚孙茂来尤显卿强颖怀
Owner 丁刚
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