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High-toughness reinforced steel

A technology for strengthening steel and high toughness, which is applied in the field of high toughness strengthening steel, which can solve the problem of uneven distribution of copper-rich nano phases, inability to uniformly prepare high-strength, anti-oxidation, welding and processing performance strengthening steel, and inability to effectively control the precipitation of nano phases and other problems, to achieve the effect of improved strength and toughness, uniform structure and good toughness

Inactive Publication Date: 2014-12-24
QINGDAO JINXIU SHUIYUAN COMMERCE & TRADE
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In the current existing materials and preparation technologies, the main problems are: due to the uneven distribution of copper-rich nanophases in the matrix, the precipitation of nanophases cannot be effectively controlled, and high strength, oxidation resistance, welding and processing properties cannot be uniformly prepared. well strengthened steel

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] A high-toughness strengthened steel, comprising the following parts by weight: 31 parts of silicon oxide, 60 parts of nickel oxide, 14 parts of fiber brucite, 17 parts of molybdenum, 6 parts of hafnium, 13 parts of aluminum silicate, 25 parts of copper, 17 parts of polyurethane, 6 parts of ductile iron powder, 23 parts of sand, 14 parts of alumina, 50 parts of glass fiber.

Embodiment 2

[0013] A high-toughness strengthened steel, comprising the following parts by weight: 22 parts of silicon oxide, 45 parts of nickel oxide, 11 parts of fiber brucite, 11 parts of molybdenum, 3 parts of hafnium, 9 parts of aluminum silicate, 10 parts of copper, 10 parts of polyurethane, 5 parts of ductile iron powder, 12 parts of sand, 5 parts of alumina, 41 parts of glass fiber.

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PUM

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Abstract

The invention discloses high-toughness reinforced steel which comprises the following substances in parts by weight: 22-31 parts of silicon oxide, 45-60 parts of nickel oxide, 11-14 parts of fiber brucite, 11-17 parts of molybdenum, 3-6 parts of hafnium, 9-13 parts of aluminum silicate, 10-25 parts of copper, 10-17 parts of polyurethane, 5-6 parts of nodular cast iron powder, 12-23 parts of sand, 5-14 parts of aluminum oxide and 41-50 parts of glass fiber. The high-toughness reinforced steel is relatively good in toughness and uniform in texture, and both the strength and the toughness are improved and can meet the requirement of high toughness.

Description

technical field [0001] The invention relates to a high-toughness strengthened steel. Background technique [0002] In order to improve the thermal efficiency of thermal power generation and reduce CO2 emissions, it is an important trend in the development of the world's power industry to vigorously develop high-parameter, large-capacity ultra-supercritical (USC) power plants. However, the low-alloy ferritic steel, 9%-12% Cr-type martensitic steel and common 18 / 8-type austenitic steel commonly used in power stations in my country cannot meet the requirements in terms of high-temperature strength or oxidation resistance. , only the development of new austenitic heat-resistant steels with good high-temperature performance and relatively low cost can meet the needs of ultra-supercritical power plants for high-temperature materials. After years of research and development, a variety of austenitic heat-resistant steels have been developed and applied. Among them, 18Cr9Ni3CuNbN (Su...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C49/00C22C101/00
Inventor 王省业
Owner QINGDAO JINXIU SHUIYUAN COMMERCE & TRADE
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