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High-resistance electrothermal alloy material

A kind of alloy material, technology of electrothermal alloy

Inactive Publication Date: 2016-05-11
CHANGSHU MEILI ALLOY MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The surface oxidation resistance, temperature grade, strength at high temperature, and processing performance of existing high-resistance electric heating alloy materials need to be improved.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] A high-resistance electric heating alloy material is made of alloy material, and the composition of the alloy material is:

[0045] P:1~2%,

[0046] At: 1.3%,

[0047] Na:0.9%,

[0048] Rb: 0.4%,

[0049] Mo: 0.5%,

[0050] :29.5%,

[0051] The balance is Ni and unavoidable impurities;

[0052] The alloy material is prepared through the following steps:

[0053] 1) Melting Ni, P, Ni-At alloy and Ni-Na alloy under protective atmosphere;

[0054] 2) Adjust the temperature to 965°C, add Ni-Rb alloy, Ni-Mo alloy and Ni- Alloy, stir evenly, keep warm for 32 minutes;

[0055] 3) Introduce argon gas, let the melt stand and cool down to 665°C, and die-cast to obtain the alloy material.

Embodiment 2

[0057] The high-resistance electric heating alloy material is made of alloy material, and the composition of the alloy material is as follows:

[0058] P: 1%,

[0059] At: 1.3%,

[0060] Na:0.9%,

[0061] Rb: 0.4%,

[0062] Mo: 0.5%,

[0063] :29.5%,

[0064] The balance is Ni and unavoidable impurities;

[0065] The alloy material is prepared through the following steps:

[0066] 1) Melting Ni, P, Ni-At alloy and Ni-Na alloy under protective atmosphere;

[0067] 2) Adjust the temperature to 965°C, add Ni-Rb alloy, Ni-Mo alloy and Ni- Alloy, stir evenly, keep warm for 32 minutes;

[0068] 3) Introduce argon gas, let the melt stand and cool down to 665°C, and die-cast to obtain the alloy material.

Embodiment 3

[0070] The high-resistance electric heating alloy material is made of alloy material, and the composition of the alloy material is as follows:

[0071] P: 2%,

[0072] At: 1.3%,

[0073] Na:0.9%,

[0074] Rb: 0.4%,

[0075] Mo: 0.5%,

[0076] :29.5%,

[0077] The balance is Ni and unavoidable impurities;

[0078] The alloy material is prepared through the following steps:

[0079] 1) Melting Ni, P, Ni-At alloy and Ni-Na alloy under protective atmosphere;

[0080] 2) Adjust the temperature to 965°C, add Ni-Rb alloy, Ni-Mo alloy and Ni- Alloy, stir evenly, keep warm for 32 minutes;

[0081] 3) Introduce argon gas, let the melt stand and cool down to 665°C, and die-cast to obtain the alloy material.

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Abstract

The invention discloses a high-resistance electrothermal alloy material made of an alloy material. The alloy material comprises the components: 1-2% of P, 1.3% of At, 0.9% of Na, 0.4% of Rb, 0.5% of Mo, 29.5% of Cr, and the balance of Ni and unavoidable impurities; the alloy material is prepared through the following steps: 1), melting Ni, P, Ni-At alloy and Ni-Na alloy in an protective atmosphere; 2), adjusting the temperature to 965 DEG C, adding Ni-Rb alloy, Ni-Mo alloy and Ni-Cr alloy into melt, stirring well, and holding the temperature and standing for 32 min; 3), introducing argon, standing and cooling the melt to 665 DEG C, and pressure casting to the alloy material. The high-resistance electrothermal alloy material has high resistivity, good surface oxidation resistance, high temperature level and high strength at high temperature.

Description

technical field [0001] The invention relates to a high-resistance electrothermal alloy material. Background technique [0002] The surface oxidation resistance, temperature grade, strength at high temperature, and processing performance of existing high-resistance electrothermal alloy materials need to be improved. Contents of the invention [0003] The purpose of the present invention is to provide a high-resistance electrothermal alloy material, which is made of alloy material, has high resistivity, good surface oxidation resistance, high temperature level, high strength at high temperature, and good performance. Processability and weldability, long service life. [0004] In order to achieve the above object, the technical solution of the present invention is to design a high-resistance electrothermal alloy material, which is made of alloy material. In terms of weight percentage, the composition of the alloy material is: [0005] P:1~2%, [0006] At: 1.3%, [0007] N...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C19/05C22C1/03
CPCC22C19/055C22C1/023C22C1/03
Inventor 陈俊达
Owner CHANGSHU MEILI ALLOY MATERIAL CO LTD
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