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Sintering aluminium rod and its preparation method

A manufacturing method and technology for aluminum rods, which are applied in the field of sintered aluminum rods and their manufacturing, can solve the problems of high addition of alloying elements, influence product strength, and performance that cannot meet the requirements of special purposes, and achieve a small thermal expansion coefficient and good thermal stability. Performance, high-strength effect

Inactive Publication Date: 2009-06-03
NORTHEAST LIGHT ALLOY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The aluminum alloy casted by the existing smelting method is limited by the solubility of alloying elements during alloying, and the addition of alloying elements cannot be too high. Unbalanced crystallization has composition segregation and internal stress during casting, which affects the strength of the product. Performance can not meet the requirements of special purposes

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] The composition of the sintered aluminum rod includes: aluminum, and the alloy containing 93 parts by weight of active aluminum contains 9 aluminum oxide, 0.4 iron, 0.05 water, and 0.1 grease.

Embodiment 2

[0024] The composition of the sintered aluminum rod includes: aluminum, the alloy containing 93 parts by weight of active aluminum contains aluminum oxide 11, iron 0.7, water 0.1, and grease 0.30.

Embodiment 3

[0026] The composition of the sintered aluminum rod includes: aluminum, and the alloy containing 93 parts by weight of active aluminum contains 10 aluminum oxide, 0.6 iron, 0.07 water, and 0.2 grease.

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Abstract

The invention relates to a sintering aluminum stick and the manufacture method that each 93 portions of alloy of active aluminum contains Al2O3 9-11, iron 0.4-0.7, water 0.05-0.1, grease and 0.1-0.30. It could satisfy the special demand for aviation and war industry.

Description

technical field [0001] The invention relates to a sintered aluminum rod manufactured by combining powder metallurgy and aluminum alloy plus TT process and a manufacturing method thereof. Background technique [0002] The aluminum alloy casted by the existing smelting method is limited by the solubility of alloying elements during alloying, and the addition of alloying elements cannot be too high. Unbalanced crystallization has composition segregation and internal stress during casting, which affects the strength of the product. Also can't meet the requirement of special purpose on performance. Contents of the invention [0003] The object of the present invention is to provide a special-purpose sintered aluminum rod and its manufacturing method to meet the special needs of aerospace and military industries. [0004] Above-mentioned purpose realizes by following technical scheme: [0005] The sintered aluminum rod is composed of: aluminum, and the alloy containing 93 part...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C21/00C22C1/04C22F1/04B22F3/12B22F3/17
Inventor 王国军刘静孙兆霞徐忠艳李念奎陶志民卢载浩郑云龙
Owner NORTHEAST LIGHT ALLOY CO LTD
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