CN105543567A - High-resistance chromium-nickel electrothermal alloy material - Google Patents

Abstract

The invention discloses a high-resistance chromium-nickel electrothermal alloy material. The high-resistance chromium-nickel electrothermal alloy material is made of an alloy material, and the alloy material comprises the following components: 1-2% of P, 1.3% of Se, 0.8% of Mg, 0.4% of Ge, 0.9% of Tc, 28.5% of Cr, and the balance of Ni and inevitable impurities. The alloy material is prepared by the following steps: (1) melting Ni, P, Ni-Se alloy and Ni-Mg alloy under a protective atmosphere; (2) adjusting the temperature to 955 DEG C, adding Ni-Ge alloy, Ni-Tc alloy and Ni-Cr alloy in melt, evenly stirring, insulating and standing for 31 minutes; and (3) feeding argon, standing and cooling the melt to 655 DEG C, and carrying out die casting to obtain the alloy material. The high-resistance chromium-nickel electrothermal alloy material has relatively high resistivity, is good in surface oxidation resistance and high in temperature grade, and has relatively high strength at high temperature.

Description

High resistance chromium nickel electrical heating alloys material

Technical field

The present invention relates to high resistance chromium nickel electrical heating alloys material.

Background technology

The surface oxidation-resistant of existing high resistance chromium nickel electrical heating alloys material, temperature rank, intensity, processing characteristics etc. at high temperature all have much room for improvement.

Summary of the invention

The object of the present invention is to provide a kind of high resistance chromium nickel electrical heating alloys material, be made up of alloy material, there is higher resistivity, surface oxidation-resistant is good, and temperature rank is high, and at high temperature has higher intensity, there are good processing characteristics and weldability, long service life.

For achieving the above object, technical scheme of the present invention is a kind of high resistance chromium nickel electrical heating alloys material of design, and be made up of alloy material, by weight percentage, the composition of this alloy material is:

P:1～2%，

Se:1.3%，

Mg:0.8%，

Ge:0.4%，

Tc:0.9%，

:28.5%，

Surplus is Ni and inevitable impurity;

Described alloy material is prepared as follows:

1) by Ni, P and Ni-Se alloy, the melting under protective atmosphere of Ni-Mg alloy;

2) temperature is adjusted to 955 DEG C, adds Ni-Ge alloy, Ni-Tc alloy and Ni-in melt alloy, stirs, and insulation leaves standstill 31 minutes;

3) pass into argon gas, left standstill by melt and be cooled to 655 DEG C, die casting obtains alloy material.

Preferably, high resistance chromium nickel electrical heating alloys material, is made up of alloy material, and by weight percentage, the composition of this alloy material is:

P:1%，

Se:1.3%，

Mg:0.8%，

Ge:0.4%，

Tc:0.9%，

:28.5%，

Surplus is Ni and inevitable impurity;

Described alloy material is prepared as follows:

1) by Ni, P and Ni-Se alloy, the melting under protective atmosphere of Ni-Mg alloy;

2) temperature is adjusted to 955 DEG C, adds Ni-Ge alloy, Ni-Tc alloy and Ni-in melt alloy, stirs, and insulation leaves standstill 31 minutes;

3) pass into argon gas, left standstill by melt and be cooled to 655 DEG C, die casting obtains alloy material.

Preferably, high resistance chromium nickel electrical heating alloys material, is made up of alloy material, and by weight percentage, the composition of this alloy material is:

P:2%，

Se:1.3%，

Mg:0.8%，

Ge:0.4%，

Tc:0.9%，

:28.5%，

Surplus is Ni and inevitable impurity;

Described alloy material is prepared as follows:

1) by Ni, P and Ni-Se alloy, the melting under protective atmosphere of Ni-Mg alloy;

2) temperature is adjusted to 955 DEG C, adds Ni-Ge alloy, Ni-Tc alloy and Ni-in melt alloy, stirs, and insulation leaves standstill 31 minutes;

3) pass into argon gas, left standstill by melt and be cooled to 655 DEG C, die casting obtains alloy material.

Advantage of the present invention and beneficial effect are: provide a kind of high resistance chromium nickel electrical heating alloys material, be made up, have higher resistivity of alloy material, surface oxidation-resistant is good, and temperature rank is high, and at high temperature has higher intensity, there are good processing characteristics and weldability, long service life.

Embodiment

Below in conjunction with embodiment, the specific embodiment of the present invention is further described.Following examples only for technical scheme of the present invention is clearly described, and can not limit the scope of the invention with this.

The technical scheme that the present invention specifically implements is:

Embodiment 1

A kind of high resistance chromium nickel electrical heating alloys material, be made up of alloy material, by weight percentage, the composition of this alloy material is:

P:1～2%，

Se:1.3%，

Mg:0.8%，

Ge:0.4%，

Tc:0.9%，

:28.5%，

Surplus is Ni and inevitable impurity;

Described alloy material is prepared as follows:

1) by Ni, P and Ni-Se alloy, the melting under protective atmosphere of Ni-Mg alloy;

2) temperature is adjusted to 955 DEG C, adds Ni-Ge alloy, Ni-Tc alloy and Ni-in melt alloy, stirs, and insulation leaves standstill 31 minutes;

3) pass into argon gas, left standstill by melt and be cooled to 655 DEG C, die casting obtains alloy material.

Embodiment 2

High resistance chromium nickel electrical heating alloys material, is made up of alloy material, and by weight percentage, the composition of this alloy material is:

P:1%，

Se:1.3%，

Mg:0.8%，

Ge:0.4%，

Tc:0.9%，

:28.5%，

Surplus is Ni and inevitable impurity;

Described alloy material is prepared as follows:

1) by Ni, P and Ni-Se alloy, the melting under protective atmosphere of Ni-Mg alloy;

2) temperature is adjusted to 955 DEG C, adds Ni-Ge alloy, Ni-Tc alloy and Ni-in melt alloy, stirs, and insulation leaves standstill 31 minutes;

3) pass into argon gas, left standstill by melt and be cooled to 655 DEG C, die casting obtains alloy material.

Embodiment 3

High resistance chromium nickel electrical heating alloys material, is made up of alloy material, and by weight percentage, the composition of this alloy material is:

P:2%，

Se:1.3%，

Mg:0.8%，

Ge:0.4%，

Tc:0.9%，

:28.5%，

Surplus is Ni and inevitable impurity;

Described alloy material is prepared as follows:

1) by Ni, P and Ni-Se alloy, the melting under protective atmosphere of Ni-Mg alloy;

2) temperature is adjusted to 955 DEG C, adds Ni-Ge alloy, Ni-Tc alloy and Ni-in melt alloy, stirs, and insulation leaves standstill 31 minutes;

3) pass into argon gas, left standstill by melt and be cooled to 655 DEG C, die casting obtains alloy material.

The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the technology of the present invention principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.

Claims (3)

1. high resistance chromium nickel electrical heating alloys material, is characterized in that, be made up of alloy material, and by weight percentage, the composition of this alloy material is:

P:1～2%，

Se:1.3%，

Mg:0.8%，

Ge:0.4%，

Tc:0.9%，

:28.5%，

Surplus is Ni and inevitable impurity;

Described alloy material is prepared as follows:

1) by Ni, P and Ni-Se alloy, the melting under protective atmosphere of Ni-Mg alloy;

2) temperature is adjusted to 955 DEG C, adds Ni-Ge alloy, Ni-Tc alloy and Ni-in melt alloy, stirs, and insulation leaves standstill 31 minutes;

3) pass into argon gas, left standstill by melt and be cooled to 655 DEG C, die casting obtains alloy material.

2. high resistance chromium nickel electrical heating alloys material according to claim 1, it is characterized in that, be made up of alloy material, by weight percentage, the composition of this alloy material is:

P:1%，

Se:1.3%，

Mg:0.8%，

Ge:0.4%，

Tc:0.9%，

:28.5%，

Surplus is Ni and inevitable impurity;

Described alloy material is prepared as follows:

1) by Ni, P and Ni-Se alloy, the melting under protective atmosphere of Ni-Mg alloy;

2) temperature is adjusted to 955 DEG C, adds Ni-Ge alloy, Ni-Tc alloy and Ni-in melt alloy, stirs, and insulation leaves standstill 31 minutes;

3) pass into argon gas, left standstill by melt and be cooled to 655 DEG C, die casting obtains alloy material.

3. high resistance chromium nickel electrical heating alloys material according to claim 1, it is characterized in that, be made up of alloy material, by weight percentage, the composition of this alloy material is:

P:2%，

Se:1.3%，

Mg:0.8%，

Ge:0.4%，

Tc:0.9%，

:28.5%，

Surplus is Ni and inevitable impurity;

Described alloy material is prepared as follows:

1) by Ni, P and Ni-Se alloy, the melting under protective atmosphere of Ni-Mg alloy;

2) temperature is adjusted to 955 DEG C, adds Ni-Ge alloy, Ni-Tc alloy and Ni-in melt alloy, stirs, and insulation leaves standstill 31 minutes;

3) pass into argon gas, left standstill by melt and be cooled to 655 DEG C, die casting obtains alloy material.