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Heat treatment method of high-temperature-resisting alloy material and heat treatment material

A technology of high temperature resistant alloy and heat treatment method, applied in the field of material processing, can solve the problem that the iron-nickel alloy cannot meet the application and other problems, and achieve the effects of avoiding personnel burn accidents, powerful functions, and improving mechanical properties.

Active Publication Date: 2019-04-16
宁国市华成金研科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The existing iron-nickel alloys have been improved by adopting a heat treatment process and vacuum smelting method. However, due to its greater practicability, the iron-nickel alloys processed by traditional heat treatment processes have been unable to To meet its application in the industrial field, therefore, the appearance of a new heat treatment process that can greatly improve the iron-nickel alloy is imminent

Method used

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  • Heat treatment method of high-temperature-resisting alloy material and heat treatment material
  • Heat treatment method of high-temperature-resisting alloy material and heat treatment material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] A kind of heat treatment method of high temperature resistant alloy material, described heat treatment step is specifically as follows:

[0040] Step 1. Put the high temperature resistant alloy material into the furnace, and use a vacuum pump to evacuate the inside of the furnace to vacuum;

[0041] Step 2. Adjust the temperature of the furnace so that the temperature of the furnace rises slowly to approximately 989°C;

[0042] Step 3. Slowly heat the high temperature resistant alloy material to about 989°C, keep it warm for 5 hours, and then let the high temperature resistant alloy material slowly cool;

[0043] Step 4. Slowly heat the high temperature resistant alloy material to about 790°C, then keep it warm for 10 hours, and then slowly cool the high temperature resistant alloy material;

[0044] Step 5. Slowly heat the high temperature resistant alloy material to about 740°C, then keep it warm for 25 hours, and then slowly cool the high temperature resistant alloy...

Embodiment 2

[0054] A kind of heat treatment method of high temperature resistant alloy material, described heat treatment step is specifically as follows:

[0055] Step 1. Put the high temperature resistant alloy material into the furnace, and use a vacuum pump to evacuate the inside of the furnace to vacuum;

[0056] Step 2. Adjust the temperature of the furnace so that the temperature of the furnace rises slowly to about 970°C;

[0057] Step 3. Slowly heat the high temperature resistant alloy material to about 970°C, keep it warm for 5 hours, and then let the high temperature resistant alloy material slowly cool;

[0058] Step 4: Slowly heat the high-temperature-resistant alloy material to about 780°C, then keep it warm for 5 hours, and then slowly cool the high-temperature-resistant alloy material;

[0059] Step 5. Slowly heat the high temperature resistant alloy material to about 700°C, then keep it warm for 10 hours, and then slowly cool the high temperature resistant alloy material...

Embodiment 3

[0078] The iron-nickel alloy that embodiment 1-2 and comparative example 1-3 heat treatment obtains carries out fracture stress test:

[0079] Put the iron-nickel alloy obtained by heat treatment in Example 1-2 and Comparative Example 1-3 into a press, and then heat it to 600°C, pressurize the iron-nickel alloy at the same time, observe the corresponding stress at the time of fracture, repeat for each group of samples Test 5 times, get the average value of the experimental results, the results are shown in Table 1;

[0080] The iron-nickel alloy fracture stress test result that table 1 embodiment 1-2 and comparative example 1-3 heat treatment obtain

[0081] material object

[0082] As can be seen from Table 1, the breaking stress of Example 1 is slightly reduced compared with Comparative Example 3, the breaking stress of Example 2 is slightly increased compared with Comparative Example 3, and the breaking stress of Comparative Example 1 is compared with Comparative ...

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Abstract

The invention discloses a heat treatment method of a high-temperature-resisting alloy material and a heat treatment material. The heat treatment material is an iron-nickel alloy composed of carbon, aluminum, manganese, titanium, silicon, nickel, cobalt, molybdenum, and iron. The heat treatment technology is simple, through repeated staged annealing, the mechanical property of the iron-nickel alloyobtained after heat treatment is improved, the breaking elongation amount of the iron-nickel alloy is improved, through the later-period quenching and tempering step, the hardness of the iron-nickelalloy is improved, the breakage stress can be improved, a quenching furnace is compact in structure and strong in function, two heating manners of vacuum and ventilation can be carried out, quenchingand tempering operation is achieved, normalizing and annealing operation can be achieved, during heat treatment, the heat treatment material does not need to be manually operated, operation can be achieved only through pressing of a button, and the phenomenon that during manual operation, due to operation negligence, a person is scalded is avoided.

Description

technical field [0001] The invention belongs to the field of material processing, and relates to a heat treatment method and a heat treatment material of a high-temperature-resistant alloy material. Background technique [0002] Iron-nickel alloy is a low-frequency soft magnetic material with high permeability and low coercive force in a weak magnetic field. Early iron-nickel alloys were used for telephone communications. The magnetic permeability of iron-nickel alloys containing Ni78% in weak magnetic fields is about 10 to 20 times higher than that of silicon steel. They are widely used in sensitive relays, magnetic shielding, telephone and radio transformers, and precision AC. And DC instruments, current transformers (see transformers). Adding molybdenum, manganese, cobalt, chromium and other elements to the iron-nickel alloy can obtain ternary and quaternary iron-nickel alloys with larger initial magnetic permeability μi and maximum magnetic permeability μm. [0003] Th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22F1/10C22F1/02C22C30/00C22C19/03
CPCC22C19/03C22C30/00C22F1/002C22F1/02C22F1/10
Inventor 程国华
Owner 宁国市华成金研科技有限公司
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