Unlock instant, AI-driven research and patent intelligence for your innovation.

Heat-resistant casting alloy

A casting alloy, heat-resistant technology, applied in the field of casting alloys, can solve problems such as the inability to meet the development needs of automobile engines, and achieve the effects of good dimensional stability and excellent high temperature strength

Inactive Publication Date: 2020-05-26
十堰市勃瑞汽车零部件有限责任公司
View PDF0 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] With the rapid development of the automobile industry, the high-temperature strength and thermal fatigue resistance of traditional cast aluminum alloy materials are approaching the limit state, which cannot meet the development needs of automobile engines.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] A heat-resistant casting alloy. The heat-resistant casting alloy is an aluminum-copper alloy. The alloying elements included in the aluminum-copper alloy include: aluminum, copper, scandium, chromium, zirconium, nickel, magnesium, and manganese. The mass percentages are: aluminum 71%, copper 15%, scandium 7%, chromium 4%, zirconium 2.4%, nickel 0.4%, magnesium 0.05%, manganese 0.05%; the tensile strength of the aluminum-copper alloy is 650MPa , the elongation rate is 10%, and the hardness is 220HBW.

[0017] The aluminum-copper alloy smelting process includes the following steps:

[0018] a. First, put the aluminum-copper alloy into the smelting furnace and melt it at a high temperature of 550°C to form an aluminum-copper alloy solution;

[0019] B, then put the aluminum-copper alloy solution in the smelting furnace into the holding furnace, apply a rotating magnetic force on the periphery of the holding furnace, and generate an induced eddy current during the magnetic...

Embodiment 2

[0022] A heat-resistant casting alloy. The heat-resistant casting alloy is an aluminum-copper alloy. The alloying elements included in the aluminum-copper alloy include: aluminum, copper, scandium, chromium, zirconium, nickel, magnesium, and manganese. The mass percentages are: aluminum 72%, copper 18%, scandium 8%, chromium 1%, zirconium 0.7%, nickel 0.2%, magnesium 0.08%, manganese 0.02%; the tensile strength of the aluminum-copper alloy is 680MPa , the elongation rate is 10%, and the hardness is 220HBW.

[0023] The aluminum-copper alloy smelting process includes the following steps:

[0024] a. First put the aluminum-copper alloy into the smelting furnace and melt it at a high temperature of 580°C to form an aluminum-copper alloy solution;

[0025] B, then put the aluminum-copper alloy solution in the smelting furnace into the holding furnace, apply a rotating magnetic force on the periphery of the holding furnace, and generate an induced eddy current during the magnetic ...

Embodiment 3

[0028] A heat-resistant casting alloy. The heat-resistant casting alloy is an aluminum-copper alloy. The alloying elements included in the aluminum-copper alloy include: aluminum, copper, scandium, chromium, zirconium, nickel, magnesium, and manganese. The mass percentages are: aluminum 78%, copper 14%, scandium 2%, chromium 5%, zirconium 0.8%, nickel 0.1%, magnesium 0.08%, manganese 0.02%; the tensile strength of the aluminum-copper alloy is 700MPa , the elongation rate is 10%, and the hardness is 220HBW.

[0029] The aluminum-copper alloy smelting process includes the following steps:

[0030] a. First put the aluminum-copper alloy into the smelting furnace and smelt it at a high temperature of 600°C to form an aluminum-copper alloy solution;

[0031] B, then put the aluminum-copper alloy solution in the smelting furnace into the holding furnace, apply a rotating magnetic force on the periphery of the holding furnace, and generate an induced eddy current during the magnetic...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
tensile strengthaaaaaaaaaa
tensile strengthaaaaaaaaaa
tensile strengthaaaaaaaaaa
Login to View More

Abstract

The invention discloses a heat-resistant casting alloy. The heat-resistant casting alloy is an aluminum-copper alloy. The alloy comprises the following alloy elements of, in percentage by mass, 71%-78% of aluminum, 14%-18% of copper, 2%-8% of scandium, 1%-5% of chromium, 0.8%-2.4% of zirconium, 0.1%-0.4% of nickel, 0.05%-0.08% of magnesium and 0.02%-0.05% of manganese. The aluminum-copper alloy smelting process comprises the steps of smelting, stirring and refining. By means of the mode, the alloy has excellent high-temperature strength and good dimensional stability, and the requirements of high-temperature-resistant castings such as automobile engines can be met.

Description

technical field [0001] The invention relates to the field of casting alloys, in particular to a heat-resistant casting alloy. Background technique [0002] Cast aluminum alloys play a significant role in reducing weight, reducing energy consumption, and reducing environmental pollution, so they are widely used in the field of automotive engines. [0003] With the rapid development of the automobile industry, the high-temperature strength and thermal fatigue resistance of traditional cast aluminum alloy materials are approaching the limit state, which cannot meet the development needs of automobile engines. Contents of the invention [0004] The technical problem mainly solved by the present invention is: aiming at the deficiencies in the prior art, a heat-resistant casting alloy is provided, which has excellent high-temperature strength and good dimensional stability, and can meet the needs of high-temperature-resistant castings such as automobile engines. [0005] In ord...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/16C22C1/02B01F13/08
CPCC22C21/16C22C1/026B01F33/45
Inventor 赵宇航
Owner 十堰市勃瑞汽车零部件有限责任公司