CN105506383A - Nickel-chromium high-resistance electrothermal alloy - Google Patents

Abstract

The invention discloses a nickel-chromium high-resistance electrothermal alloy. The nickel-chromium high-resistance electrothermal alloy is made from an alloy material, and the alloy material comprises the following ingredients: 1-2% of P, 1.1% of S, 0.9% of V, 1.3% of Co, 0.8% of Cd, 15.5% of Cr, and the balance Ni and inevitable impurities; and the alloy material is prepared through the following steps: 1) melting Ni, P, Ni-S alloy and Ni-V alloy under a protective atmosphere; 2) adjusting a temperature to 905 DEG C, adding Ni-Co alloy, Ni-Cd alloy and Ni-Cr alloy into a melt, uniformly stirring, and insulating heat and standing for 26 minutes; and 3) charging argon, and standing and cooling the melt to 605 DEG C, and carrying out die-casting to obtain the alloy material. The nickel-chromium high-resistance electrothermal alloy disclosed by the invention has a high electrical resistivity, high surface oxidation resistance, a high temperature class, and a high strength under a high temperature.

Description

Nickel-chromium high-resistance electrothermal alloy

Technical field

The present invention relates to nickel-chromium high-resistance electrothermal alloy.

Background technology

The surface oxidation-resistant of existing nickel-chromium high-resistance electrothermal alloy, 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 nickel-chromium high-resistance electrothermal alloy, 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 nickel-chromium high-resistance electrothermal alloy of design, and be made up of alloy material, by weight percentage, the composition of this alloy material is:

P:1～2%，

S:1.1%，

V:0.9%，

Co:1.3%，

Cd:0.8%，

:15.5%，

Surplus is Ni and inevitable impurity;

Described alloy material is prepared as follows:

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

2) temperature is adjusted to 905 DEG C, adds Ni-Co alloy, Ni-Cd alloy and Ni-in melt alloy, stirs, and insulation leaves standstill 26 minutes;

3) pass into argon gas, left standstill by melt and be cooled to 605 DEG C, die casting obtains alloy material.

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

P:1%，

S:1.1%，

V:0.9%，

Co:1.3%，

Cd:0.8%，

:15.5%，

Surplus is Ni and inevitable impurity;

Described alloy material is prepared as follows:

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

2) temperature is adjusted to 905 DEG C, adds Ni-Co alloy, Ni-Cd alloy and Ni-in melt alloy, stirs, and insulation leaves standstill 26 minutes;

3) pass into argon gas, left standstill by melt and be cooled to 605 DEG C, die casting obtains alloy material.

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

P:2%，

S:1.1%，

V:0.9%，

Co:1.3%，

Cd:0.8%，

:15.5%，

Surplus is Ni and inevitable impurity;

Described alloy material is prepared as follows:

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

2) temperature is adjusted to 905 DEG C, adds Ni-Co alloy, Ni-Cd alloy and Ni-in melt alloy, stirs, and insulation leaves standstill 26 minutes;

3) pass into argon gas, left standstill by melt and be cooled to 605 DEG C, die casting obtains alloy material.

Advantage of the present invention and beneficial effect are: provide a kind of nickel-chromium high-resistance electrothermal alloy, be made up of alloy material, have 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.

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 nickel-chromium high-resistance electrothermal alloy, be made up of alloy material, by weight percentage, the composition of this alloy material is:

P:1～2%，

S:1.1%，

V:0.9%，

Co:1.3%，

Cd:0.8%，

:15.5%，

Surplus is Ni and inevitable impurity;

Described alloy material is prepared as follows:

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

2) temperature is adjusted to 905 DEG C, adds Ni-Co alloy, Ni-Cd alloy and Ni-in melt alloy, stirs, and insulation leaves standstill 26 minutes;

3) pass into argon gas, left standstill by melt and be cooled to 605 DEG C, die casting obtains alloy material.

Embodiment 2

Nickel-chromium high-resistance electrothermal alloy, is made up of alloy material, and by weight percentage, the composition of this alloy material is:

P:1%，

S:1.1%，

V:0.9%，

Co:1.3%，

Cd:0.8%，

:15.5%，

Surplus is Ni and inevitable impurity;

Described alloy material is prepared as follows:

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

2) temperature is adjusted to 905 DEG C, adds Ni-Co alloy, Ni-Cd alloy and Ni-in melt alloy, stirs, and insulation leaves standstill 26 minutes;

3) pass into argon gas, left standstill by melt and be cooled to 605 DEG C, die casting obtains alloy material.

Embodiment 3

Nickel-chromium high-resistance electrothermal alloy, is made up of alloy material, and by weight percentage, the composition of this alloy material is:

P:2%，

S:1.1%，

V:0.9%，

Co:1.3%，

Cd:0.8%，

:15.5%，

Surplus is Ni and inevitable impurity;

Described alloy material is prepared as follows:

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

2) temperature is adjusted to 905 DEG C, adds Ni-Co alloy, Ni-Cd alloy and Ni-in melt alloy, stirs, and insulation leaves standstill 26 minutes;

3) pass into argon gas, left standstill by melt and be cooled to 605 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. nickel-chromium high-resistance electrothermal alloy, is characterized in that, is made up of alloy material, and by weight percentage, the composition of this alloy material is:

P:1～2%，

S:1.1%，

V:0.9%，

Co:1.3%，

Cd:0.8%，

:15.5%，

Surplus is Ni and inevitable impurity;

Described alloy material is prepared as follows:

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

2) temperature is adjusted to 905 DEG C, adds Ni-Co alloy, Ni-Cd alloy and Ni-in melt alloy, stirs, and insulation leaves standstill 26 minutes;

3) pass into argon gas, left standstill by melt and be cooled to 605 DEG C, die casting obtains alloy material.

2. nickel-chromium high-resistance electrothermal alloy according to claim 1, is characterized in that, is made up of alloy material, and by weight percentage, the composition of this alloy material is:

P:1%，

S:1.1%，

V:0.9%，

Co:1.3%，

Cd:0.8%，

:15.5%，

Surplus is Ni and inevitable impurity;

Described alloy material is prepared as follows:

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

2) temperature is adjusted to 905 DEG C, adds Ni-Co alloy, Ni-Cd alloy and Ni-in melt alloy, stirs, and insulation leaves standstill 26 minutes;

3) pass into argon gas, left standstill by melt and be cooled to 605 DEG C, die casting obtains alloy material.

3. nickel-chromium high-resistance electrothermal alloy according to claim 1, is characterized in that, is made up of alloy material, and by weight percentage, the composition of this alloy material is:

P:2%，

S:1.1%，

V:0.9%，

Co:1.3%，

Cd:0.8%，

:15.5%，

Surplus is Ni and inevitable impurity;

Described alloy material is prepared as follows:

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

2) temperature is adjusted to 905 DEG C, adds Ni-Co alloy, Ni-Cd alloy and Ni-in melt alloy, stirs, and insulation leaves standstill 26 minutes;

3) pass into argon gas, left standstill by melt and be cooled to 605 DEG C, die casting obtains alloy material.