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A kind of gh3039 superalloy rod and its preparation method

A technology of GH3039 and superalloy, which is applied in the field of GH3039 superalloy rods, can solve the problems of not comprehensively considering the correlation, etc., and achieve the effect of eliminating coarse grains, uniform composition of rods, high strength and high toughness

Active Publication Date: 2021-03-23
西部超导材料科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing available information does not comprehensively consider the relevance of the above risk points, and fails to give full play to the advantages of the GH3039 alloy material

Method used

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  • A kind of gh3039 superalloy rod and its preparation method
  • A kind of gh3039 superalloy rod and its preparation method
  • A kind of gh3039 superalloy rod and its preparation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] The ingot is smelted according to the set composition, and its composition contains C 0.046%, Si 0.038%, Mn0.30%, Mo 2.05%, Al 0.54%, Ti 0.68%, Fe 0.65%, Cu 0.0052%, Cr 20.41% by weight , Nb1.04%, S 0.0002%, P 0.0078%, and the balance is Ni and unavoidable inclusions.

[0047] The GH3039 alloy ingot smelted by vacuum induction melting + electroslag remelting process has a diameter of 660mm. The ingot is opened at 1100°C. There are 4 forgings in total. The deformation settings are as follows: Φ660×1000→Φ740×800→Bafang 630 ×1040→Bafang 750×730→Bafang 620×1070, the deformation of the 1st-4th single fire is 20%, 23%, 30%, 32% respectively, after the completion, the hot material is water quenched and cooled.

[0048] The billet with square cross-section is kept at 1180°C for 40 hours for annealing and homogenization, and then air-cooled after completion;

[0049] After the billet is kept at 1070°C for 6 times of upsetting and drawing deformation, the settings are as follows...

Embodiment 2

[0054] The ingot is smelted according to the set composition, and its composition contains C 0.046%, Si 0.038%, Mn0.30%, Mo 2.05%, Al 0.54%, Ti 0.68%, Fe 0.65%, Cu 0.0052%, Cr 20.41% by weight , Nb1.04%, S 0.0002%, P 0.0078%, and the balance is Ni and unavoidable inclusions.

[0055] The GH3039 alloy ingot smelted by vacuum induction melting + electroslag remelting process has a diameter of 580mm, and the ingot is opened at 1100°C. There are 3 forgings in total. The deformation settings are as follows: Φ580×1000→Φ650×800→Bafang 555 ×1030→Bafang 670×710, the deformations of the 1st to 3rd single fires are 20%, 23%, and 31% respectively. After completion, the hot material is quenched in water, and the high-magnification structure diagram of the material after blanking is as follows figure 1 shown.

[0056] Anneal and homogenize the billet with octagonal cross-section at 1190°C for 40 hours, and air cool after completion; the high-magnification structure diagram of the intermed...

Embodiment 3

[0063] The ingot is smelted according to the set composition, and its composition contains C 0.046%, Si 0.038%, Mn0.30%, Mo 2.05%, Al 0.54%, Ti 0.68%, Fe 0.65%, Cu 0.0052%, Cr 20.41% by weight , Nb1.04%, S 0.0002%, P 0.0078%, and the balance is Ni and unavoidable inclusions.

[0064] The GH3039 alloy ingot smelted by vacuum induction melting + electroslag remelting process has a diameter of 500mm, and the ingot is opened at 1120°C. There are 3 forgings in total. The deformation settings are as follows: Φ500×1000→Φ615×800→Bafang 480 ×1030→Bafang 580×710→Bafang 480×1030→Bafang 580×710, the deformations of the 1st to 5th fires are 20%, 23%, 31%, 31%, and 31%, respectively. After completion, the hot material is quenched in water to obtain a billet with a square cross section.

[0065] The billet with square cross-section is kept at 1170°C for 34 hours for annealing and homogenization, and then air-cooled after completion;

[0066] After the billet is kept at 1050°C for 7 times o...

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Abstract

The invention discloses a preparation method of GH 3039 high temperature alloy bar. The preparation method comprises the following specific steps that a GH 3039 high temperature alloy ingot is selected, two-way smelting process smelting of vacuum induction melting + electroslag remelting is conducted, and water quenching and cooling are conducted; heating and heat preservation are conducted on theingot after processing, upsetting cogging and forging with 3-5 firing times are conducted, continuous remelting is conducted, the deformation amount for each firing is 20-35%, and water quenching andcooling are conducted to obtain a billet; and homogenizing and intermediate annealing are conducted on the billet, heating and heat preservation are conducted on the annealed billet, upsetting deformation with 5-7 firing times is conducted, the billet specification after upsetting is 500-550 mm, heating and heat preservation are conducted on the upset finished billet, drawing deformation with 2-3firing times is conducted, cooling in air is conducted, heating and heat preservation are conducted on the finished material after drawing, rolling forging of once firing times is conducted, and cooling in air is conducted to obtain the GH3039 high temperature alloy bar. By means of the preparation method, a free forging technology is adopted to prepare the high strength and high toughness alloybar, and the preparation method is simple and easy to operate.

Description

technical field [0001] The invention belongs to the technical field of non-ferrous metal material processing technology, and relates to a method for preparing a GH3039 high-temperature alloy rod, and also relates to a GH3039 high-temperature alloy rod. Background technique [0002] GH3039 alloy is a solid solution strengthened nickel-based superalloy. The main strengthening elements are chromium and molybdenum. The alloy has excellent strength and toughness at 800°C and below, good oxidation resistance below 1000°C, and stable structure during use. , Has good cold forming and welding properties. Therefore, it is widely used in various high-temperature load-bearing components such as aviation, aerospace, and navigation. As a single-phase austenitic alloy, the structure is extremely stable during use. Based on its excellent performance, it is widely used in the parts of aero-engine combustor and afterburner. [0003] The main advantages of GH3039 alloy application in indust...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C19/05C22F1/10C22C1/02
CPCC22C1/023C22C19/055C22C19/056C22F1/10
Inventor 段军阳张建伟张明申马腾飞巨彪杜刚阚志付宝全刘向宏
Owner 西部超导材料科技股份有限公司
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