CN117821759A - Recycling method of large-particle TC4 powder - Google Patents
Recycling method of large-particle TC4 powder Download PDFInfo
- Publication number
- CN117821759A CN117821759A CN202410031202.6A CN202410031202A CN117821759A CN 117821759 A CN117821759 A CN 117821759A CN 202410031202 A CN202410031202 A CN 202410031202A CN 117821759 A CN117821759 A CN 117821759A
- Authority
- CN
- China
- Prior art keywords
- powder
- particle
- recycling method
- aluminum
- titanium
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000843 powder Substances 0.000 title claims abstract description 104
- 239000002245 particle Substances 0.000 title claims abstract description 75
- 238000000034 method Methods 0.000 title claims abstract description 50
- 238000004064 recycling Methods 0.000 title claims abstract description 29
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 55
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 55
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 40
- 239000000956 alloy Substances 0.000 claims abstract description 33
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 32
- HIMLGVIQSDVUJQ-UHFFFAOYSA-N aluminum vanadium Chemical compound [Al].[V] HIMLGVIQSDVUJQ-UHFFFAOYSA-N 0.000 claims abstract description 31
- 229910001069 Ti alloy Inorganic materials 0.000 claims abstract description 26
- 239000011888 foil Substances 0.000 claims abstract description 26
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 25
- 239000010936 titanium Substances 0.000 claims abstract description 25
- 238000003466 welding Methods 0.000 claims abstract description 25
- 238000005303 weighing Methods 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 17
- 239000002994 raw material Substances 0.000 claims abstract description 10
- 238000002156 mixing Methods 0.000 claims abstract description 9
- 238000003825 pressing Methods 0.000 claims abstract description 4
- 238000003723 Smelting Methods 0.000 claims description 24
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 12
- 239000000126 substance Substances 0.000 claims description 11
- 229910052786 argon Inorganic materials 0.000 claims description 7
- 229910000883 Ti6Al4V Inorganic materials 0.000 claims description 5
- 239000004615 ingredient Substances 0.000 claims description 4
- 238000005266 casting Methods 0.000 abstract description 3
- 238000004663 powder metallurgy Methods 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 abstract 1
- 238000010146 3D printing Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000009826 distribution Methods 0.000 description 2
- 238000009689 gas atomisation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 239000012254 powdered material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
Abstract
The invention relates to a recycling method of large-particle TC4 powder, which comprises the following steps of S1, selecting sponge titanium, aluminum-vanadium intermediate alloy, aluminum foil and TC4 powder as raw materials; s2, weighing the intermediate alloy of the titanium sponge and the aluminum vanadium according to the nominal component of the TC4 powder, and mixing and proportioning; s3, weighing a certain amount of TC4 powder, wrapping the TC4 powder by using aluminum foil, and pressing the TC4 powder and the uniformly mixed material together into an electrode block; s4, preparing an initial electrode by the pressed electrode block through a welding process; s5, the initial electrode is smelted for three times through VAR to obtain a TC4 titanium alloy cast ingot. According to the invention, large-particle TC4 powder is converted into an ingot casting product, so that the problem of limited application of large-particle TC4 titanium alloy powder is effectively solved, the combined intercommunication of the traditional process and the novel powder metallurgy process is realized, the reutilization of waste powder is realized, and the purposes of cost reduction and efficiency enhancement are realized.
Description
Technical Field
The invention relates to the technical field of new materials, in particular to a recycling method of large-particle TC4 powder.
Background
Powder metallurgy is a process technique for producing metal powders or producing metal materials, composite materials, and various types of articles by molding and sintering using metal powders (or a mixture of metal powders and non-metal powders) as raw materials.
One of the 3D printing, i.e. rapid prototyping, also known as additive manufacturing, is a technology that builds objects by means of layer-by-layer printing, using powdered materials, based on digital model files. As one of the main raw materials for 3D printing, the related parameters of the powder such as chemical composition, particle shape, particle size, particle distribution, fluidity, etc. have great influence on the quality of 3D printing molding. The titanium and titanium alloy materials meet the requirements of 3D printing metal materials after being prepared into powder according to the special properties, but the preparation difficulty is higher.
The main technology for preparing titanium and titanium alloy powder at present comprises the following steps: plasma rotary electrode atomization, plasma wire, gas atomization, and the like. When the TC4 powder prepared by adopting the gas atomization method is adopted, the advantages are that the sphericity of the powder is good, the particle size distribution of the powder is concentrated, but the powder with the undesirable particle size cannot be avoided, the actual production shows that the TC4 powder with the particle size of 15-53 mu m has the largest demand and objective price, but the application of the TC4 powder with the particle size of more than 53 mu m is limited, and the economic benefit of a TC4 powder product is seriously influenced.
Therefore, a technology for effectively utilizing large-particle TC4 powder is sought, and the technology has important significance for improving the economic benefit of TC4 powder products.
Disclosure of Invention
Aiming at the problems, the invention aims to provide a recycling method of large-particle TC4 powder, which effectively solves the problem that the application of large-particle TC4 titanium alloy powder is limited by converting the large-particle TC4 titanium alloy powder into an ingot casting product.
The technical scheme adopted by the invention is as follows:
the invention provides a recycling method of large-particle TC4 powder, which comprises the following steps:
s1, selecting sponge titanium, aluminum-vanadium intermediate alloy, aluminum particles, aluminum foil and large-particle TC4 powder as raw materials;
s2, weighing corresponding sponge titanium, aluminum vanadium intermediate alloy and aluminum particles according to nominal components of large-particle TC4 powder, and mixing the sponge titanium, the aluminum vanadium intermediate alloy and the aluminum particles;
s3, weighing a certain amount of TC4 powder, wrapping the TC4 powder by adopting aluminum foil, and pressing the TC4 powder and the uniformly mixed ingredients into an electrode block;
s4, preparing an initial electrode by the pressed electrode block through a welding process;
s5, the initial electrode is smelted for three times through VAR to obtain a TC4 titanium alloy cast ingot.
Further, the nominal components of the TC4 powder are as follows: ti-6Al-4V with granularity of 50-300 microns.
Further, in the step S1, the titanium sponge is more than 0 grade titanium sponge, and the granularity is 0.83-12.7mm; the purity of the aluminum particles is more than or equal to 99.70 percent, and the granularity is 3.0-13.0mm; the aluminum-vanadium intermediate alloy is AlV55, alV65 or AlV85, and the granularity is 1.0-6.0mm; the thickness of the aluminum foil is less than or equal to 0.2mm.
Further, in the step S2, the sponge titanium, the aluminum-vanadium intermediate alloy and the aluminum particles are subjected to material proportioning according to the nominal component Ti-6Al-4V of TC4 powder.
Further, in the step S3, the amount of the weighed TC4 powder is 5.0% -15.0% of the weight of the monolithic electrode, and when the electrode block is pressed, a mode of mixing the ingredients on the outer layer and wrapping the TC4 powder on the core portion with aluminum foil is adopted.
Further, in the step S4, the welding process parameters are as follows: the welding current is 220A-250A, the argon flow is 0.35-0.45MPa, and the welding seams among the electrode blocks are less than or equal to 2.0mm.
Further, in the step S5, the arc-stabilizing alternating current is smelted by 5-8A, the smelting voltage is 26-30V, and the smelting current is 4500-6000A.
Further, the chemical composition of the TC4 titanium alloy cast ingot obtained in the step S5 is Ti-6Al-4V, wherein the content of Al element is 5.50-6.75%wt, the content of V element is 3.50-4.50%wt, the content of Fe element is less than or equal to 0.30%wt, and the content of O element is less than or equal to 0.20%wt.
Further, the deviation of Al element in the chemical composition of the TC4 titanium alloy cast ingot is less than 0.35%, the deviation of V element is less than 0.35%, and the deviation of Fe element is less than 0.03%; the deviation of O element is less than 0.03 percent.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, large-particle TC4 powder is converted into an ingot casting product, 50.0-150.0kg of large-particle TC4 powder can be recycled per ton of TC4 titanium alloy ingot, the problem that the application of large-particle TC4 titanium alloy powder is limited is effectively solved, and the joint intercommunication of the traditional process and the novel powder metallurgy process is realized, so that the economic benefit of TC4 titanium alloy related products is remarkably improved.
Drawings
Fig. 1 is a schematic flow chart of a method for recycling large-particle TC4 powder material.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
The invention provides a recycling method of large-particle TC4 powder, which specifically comprises the following steps:
s1, selecting sponge titanium, aluminum-vanadium intermediate alloy, aluminum particles, aluminum foil and large-particle TC4 powder as raw materials; wherein the titanium sponge is more than 0 grade titanium sponge, and the granularity is 0.83-12.7mm; the purity of the aluminum particles is more than or equal to 99.70 percent, and the granularity is 3.0-13.0mm; the aluminum-vanadium intermediate alloy is AlV55, alV65 or AlV85, the granularity is 1.0-6.0mm, and the AlV55 intermediate alloy is preferably used; the thickness of the aluminum foil is less than or equal to 0.2mm.
S2, weighing corresponding sponge titanium, aluminum-vanadium intermediate alloy and aluminum particles according to nominal components of large-particle TC4 powder, proportioning the materials, and uniformly mixing the three materials; wherein, the nominal composition of TC4 powder is: ti-6Al-4V with granularity of 50-300 microns.
S3, weighing a certain amount of TC4 powder, wrapping the TC4 powder by adopting aluminum foil, and pressing the TC4 powder and the uniformly mixed material together to form an electrode block; wherein, the weight of the weighed TC4 powder accounts for 5.0-15.0% of the weight of the monolithic electrode block, and when the electrode block is pressed, a mode that the mixture is arranged on the outer layer and the TC4 powder is wrapped on the core part by aluminum foil is adopted.
S4, preparing an initial electrode by the pressed electrode block through a welding process; wherein, welding technological parameters are as follows: the welding current is 220A-250A, the argon flow is 0.35-0.45MPa, and the welding seams among the electrode blocks are less than or equal to 2.0mm.
S5, smelting the initial electrode for three times through VAR to obtain a TC4 titanium alloy cast ingot;
wherein, the smelting arc-stabilizing alternating current is 5-8A, the smelting voltage is 26-30V, and the smelting current is 4500-6000A;
the chemical composition of the obtained TC4 titanium alloy cast ingot is Ti-6Al-4V, wherein the content of Al element is 5.50-6.75%wt, the content of V element is 3.50-4.50%wt, the content of Fe element is less than or equal to 0.30%wt, and the content of O element is less than or equal to 0.20%wt;
the deviation of Al element in the chemical composition of the TC4 titanium alloy cast ingot is less than 0.35%, the deviation of V element is less than 0.35%, and the deviation of Fe element is less than 0.03%; the deviation of O element is less than 0.03 percent.
The invention is further illustrated by the following examples:
example 1
The recycling method of the large-particle TC4 powder provided by the embodiment comprises the following steps:
s1, selecting sponge titanium, aluminum-vanadium intermediate alloy, aluminum particles, aluminum foil and TC4 powder as raw materials; the requirements of various materials are as follows:
the titanium sponge adopts 0A grade titanium sponge with granularity: 0.83-12.7mm;
the purity of the aluminum particles is more than or equal to 99.70 percent, and the granularity is 3.0-13.0mm;
AlV55 is selected as the aluminum-vanadium intermediate alloy, and the granularity is as follows: 1.0-6.0mm;
the thickness of the aluminum foil is 0.2mm;
TC4 powder particle size 50 μm.
S2, weighing corresponding sponge titanium, aluminum-vanadium intermediate alloy and aluminum particles according to the nominal components of TC4 powder, and mixing the sponge titanium, the aluminum-vanadium intermediate alloy and the aluminum particles;
s3, weighing 12kg of TC4 powder, equally dividing the TC4 powder according to the number of the electrode blocks, tightly wrapping the TC4 powder by aluminum foil, and then placing the TC4 powder in a core part of a mixed material to press the electrode blocks;
s4, preparing an initial electrode by the pressed electrode blocks through a welding process, wherein the welding current is 220A, the argon flow is 0.35MPa, and the welding seams among the electrode blocks are ensured to be less than or equal to 2.0mm.
S5, smelting the initial electrode for three times through VAR to obtain a TC4 titanium alloy cast ingot, wherein the smelting process parameters are arc-stabilizing alternating current 5A, smelting voltage 26V and smelting current 4500A.
The TC4 titanium alloy cast ingot obtained in the embodiment is a small-size cast ingot, and has the weight of 120kg and the chemical composition deviation condition: 0.32% of Al element, 0.30% of V element, 0.028% of Fe element and 0.025% of O element.
Example 2:
the recycling method of the large-particle TC4 powder provided by the embodiment comprises the following steps:
s1, selecting sponge titanium, aluminum-vanadium intermediate alloy, aluminum particles, aluminum foil and TC4 powder as raw materials; the requirements of various materials are as follows:
the titanium sponge adopts 0 grade titanium sponge with granularity: 0.83-12.7mm;
the purity of the aluminum particles is more than or equal to 99.70 percent, and the granularity is 3.0-13.0mm;
AlV55 is selected as the aluminum-vanadium intermediate alloy, and the granularity is as follows: 1.0-6.0mm;
the thickness of the aluminum foil is 0.15mm;
TC4 powder particle size 180 μm.
S2, weighing corresponding sponge titanium, aluminum-vanadium intermediate alloy and aluminum particles according to the nominal components of TC4 powder, and mixing the sponge titanium, the aluminum-vanadium intermediate alloy and the aluminum particles;
s3, weighing 19.2kg of TC4 powder, dividing the TC4 powder equally according to the number of the electrode blocks, wrapping the TC4 powder tightly by aluminum foil, and then placing the TC4 powder in a core part of a mixed material to press the electrode blocks;
s4, preparing an initial electrode by the pressed electrode blocks through a welding process, wherein the welding current is 250A, the argon flow is 0.45MPa, and the welding seams among the electrode blocks are ensured to be less than or equal to 2.0mm.
S5, smelting the initial electrode for three times through VAR to obtain a TC4 titanium alloy cast ingot, wherein the smelting process parameters are selected to be arc-stabilizing alternating current 8A, smelting voltage is 30V, and smelting current is 6000A.
The TC4 titanium alloy cast ingot obtained in the embodiment is a small-size cast ingot weighing 160kg, and the chemical composition deviation condition is as follows: 0.30% of Al element, 0.31% of V element, 0.029% of Fe element and 0.026% of O element.
Example 3:
the recycling method of the large-particle TC4 powder provided by the embodiment comprises the following steps:
s1, selecting sponge titanium, aluminum-vanadium intermediate alloy, aluminum particles, aluminum foil and TC4 powder as raw materials; the requirements of various materials are as follows:
the titanium sponge adopts 0 grade titanium sponge with granularity: 0.83-12.7mm;
the purity of the aluminum particles is more than or equal to 99.70 percent, and the granularity is 3.0-13.0mm;
AlV65 is selected as the aluminum-vanadium intermediate alloy, and the granularity is as follows: 1.0-6.0mm;
the thickness of the aluminum foil is 0.10mm;
TC4 powder particle size 300 μm.
S2, weighing corresponding sponge titanium, aluminum-vanadium intermediate alloy and aluminum particles according to the nominal components of TC4 powder, and mixing the sponge titanium, the aluminum-vanadium intermediate alloy and the aluminum particles;
s3, weighing 24kg of TC4 powder, equally dividing the TC4 powder according to the number of the electrode blocks, tightly wrapping the TC4 powder by aluminum foil, and then placing the TC4 powder in a core part of a mixed material to press the electrode blocks;
s4, preparing an initial electrode by the pressed electrode blocks through a welding process, wherein the welding current 235A and the argon flow are 0.4MPa, and the welding seams among the electrode blocks are ensured to be less than or equal to 2.0mm.
S5, smelting the initial electrode for three times through VAR to obtain a TC4 titanium alloy cast ingot, wherein the smelting process parameters select arc-stabilizing alternating current 6.5A, smelting voltage 28V and smelting current 5200A.
The TC4 titanium alloy cast ingot obtained in the embodiment is a small-size cast ingot weighing 200kg, and the chemical composition deviation condition is as follows: 0.31% of Al element, 0.29% of V element, 0.026% of Fe element and 0.028% of O element.
Example 4:
the recycling method of the large-particle TC4 powder provided by the embodiment comprises the following steps:
s1, selecting sponge titanium, aluminum-vanadium intermediate alloy, aluminum particles, aluminum foil and TC4 powder as raw materials; the requirements of various materials are as follows:
the titanium sponge adopts 0-grade titanium sponge with granularity of 0.83-12.7mm;
the purity of the aluminum particles is more than or equal to 99.70 percent, and the granularity is 3.0-13.0mm;
AlV85 is selected as the aluminum-vanadium intermediate alloy, and the granularity is as follows: 1.0-6.0mm;
the thickness of the aluminum foil is 0.10mm;
TC4 powder: the particle size was 200. Mu.m.
S2, weighing corresponding sponge titanium, aluminum-vanadium intermediate alloy and aluminum particles according to the nominal components of TC4 powder, and mixing the sponge titanium, the aluminum-vanadium intermediate alloy and the aluminum particles;
s3, weighing 45kg of TC4 powder, equally dividing the TC4 powder according to the number of the electrode blocks, tightly wrapping the TC4 powder by aluminum foil, and then placing the TC4 powder in a core part of a mixed material to press the electrode blocks;
s4, preparing an initial electrode by the pressed electrode blocks through a welding process, wherein the welding current is 230A, the argon flow is 0.45MPa, and the welding seams among the electrode blocks are ensured to be less than or equal to 2.0mm.
S5, smelting the initial electrode for three times through VAR to obtain a TC4 titanium alloy cast ingot, wherein the smelting process parameters select arc-stabilizing alternating current of 7.5A, smelting voltage of 27V and smelting current of 5800A.
The TC4 titanium alloy cast ingot obtained in the embodiment is a small-size cast ingot weighing 300kg, and the deviation of chemical components is as follows: 0.28% of Al element, 0.25% of V element, 0.027% of Fe element and 0.025% of O element.
The invention is not fully described in detail in the prior art.
The above examples are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solution of the present invention should fall within the scope of protection defined by the claims of the present invention without departing from the spirit of the design of the present invention.
Claims (9)
1. The recycling method of the large-particle TC4 powder is characterized by comprising the following steps of:
s1, selecting sponge titanium, aluminum-vanadium intermediate alloy, aluminum particles, aluminum foil and large-particle TC4 powder as raw materials;
s2, weighing corresponding sponge titanium, aluminum vanadium intermediate alloy and aluminum particles according to nominal components of large-particle TC4 powder, and mixing the sponge titanium, the aluminum vanadium intermediate alloy and the aluminum particles;
s3, weighing a certain amount of TC4 powder, wrapping the TC4 powder by adopting aluminum foil, and pressing the TC4 powder and the uniformly mixed ingredients into an electrode block;
s4, preparing an initial electrode by the pressed electrode block through a welding process;
s5, the initial electrode is smelted for three times through VAR to obtain a TC4 titanium alloy cast ingot.
2. The recycling method of large-particle TC4 powder according to claim 1, wherein the recycling method is characterized in that: the nominal components of the TC4 powder are as follows: ti-6Al-4V with granularity of 50-300 microns.
3. The recycling method of large-particle TC4 powder according to claim 1, wherein the recycling method is characterized in that: in the step S1, the titanium sponge is more than 0 grade titanium sponge, and the granularity is 0.83-12.7mm; the purity of the aluminum particles is more than or equal to 99.70 percent, and the granularity is 3.0-13.0mm; the aluminum-vanadium intermediate alloy is AlV55, alV65 or AlV85, and the granularity is 1.0-6.0mm; the thickness of the aluminum foil is less than or equal to 0.2mm.
4. The recycling method of large-particle TC4 powder according to claim 1, wherein the recycling method is characterized in that: in the step S2, the sponge titanium, the aluminum-vanadium intermediate alloy and the aluminum particles are mixed according to the nominal component Ti-6Al-4V of TC4 powder.
5. The recycling method of large-particle TC4 powder according to claim 1, wherein the recycling method is characterized in that: in the step S3, the weighed TC4 powder accounts for 5.0% -15.0% of the weight of the monolithic electrode, and when the electrode block is pressed, a mode that mixed ingredients are arranged on the outer layer, and TC4 powder is wrapped on the core part by aluminum foil is adopted.
6. The recycling method of large-particle TC4 powder according to claim 1, wherein the recycling method is characterized in that: in the step S4, the welding process parameters are as follows: the welding current is 220A-250A, the argon flow is 0.35-0.45MPa, and the welding seams among the electrode blocks are less than or equal to 2.0mm.
7. The recycling method of large-particle TC4 powder according to claim 1, wherein the recycling method is characterized in that: in the step S5, the arc-stabilizing alternating current is smelted by 5-8A, the smelting voltage is 26-30V, and the smelting current is 4500-6000A.
8. The recycling method of large-particle TC4 powder material according to claim 7, wherein the recycling method is characterized in that: the chemical composition of the TC4 titanium alloy cast ingot obtained in the step S5 is Ti-6Al-4V, wherein the content of Al element is 5.50-6.75%wt, the content of V element is 3.50-4.50%wt, the content of Fe element is less than or equal to 0.30%wt, and the content of O element is less than or equal to 0.20%wt.
9. The recycling method of large-particle TC4 powder material according to claim 8, wherein the recycling method is characterized in that: the deviation of Al element in the chemical components of the TC4 titanium alloy cast ingot is less than 0.35%, the deviation of V element is less than 0.35%, and the deviation of Fe element is less than 0.03%; the deviation of O element is less than 0.03 percent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410031202.6A CN117821759A (en) | 2024-01-09 | 2024-01-09 | Recycling method of large-particle TC4 powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410031202.6A CN117821759A (en) | 2024-01-09 | 2024-01-09 | Recycling method of large-particle TC4 powder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117821759A true CN117821759A (en) | 2024-04-05 |
Family
ID=90517405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410031202.6A Pending CN117821759A (en) | 2024-01-09 | 2024-01-09 | Recycling method of large-particle TC4 powder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117821759A (en) |
-
2024
- 2024-01-09 CN CN202410031202.6A patent/CN117821759A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1699000B (en) | Method for preparing a metallic article having an other additive constituent, without any melting | |
| CN107760897A (en) | To hydrogenate method of the titanium sponge as raw material manufacture titanium and titanium alloy and its parts | |
| CN108441827A (en) | Aluminium-scandium alloy target preparation method | |
| CN107142388A (en) | A kind of preparation method of Ti 13Nb 13Zr alloys | |
| CN102808099A (en) | Preparation method for Al2O3 dispersion-strengthened Cu/Cr composite material | |
| CN114959615A (en) | TiAlCrSiY alloy target and preparation method thereof | |
| CN113976918B (en) | Remelting process for metal powder return material in additive manufacturing | |
| CN110408852A (en) | The waste material recovery method of superalloy powder | |
| CN106591617A (en) | Manganese additive for aluminum alloy and preparation method of manganese additive | |
| EP0011989B1 (en) | Phosphorus-iron powder and method of producing soft magnetic material therefrom | |
| CN117821759A (en) | Recycling method of large-particle TC4 powder | |
| CN101880810B (en) | Hard alloy containing nickel aluminide and boron copper base and preparation method thereof | |
| CN101353737A (en) | Aluminum alloy series additive containing titanium, zirconium and boron and manufacturing method thereof | |
| CN1257784C (en) | Mixed copper-tin 10 powder and preparing method thereof | |
| CN102453873B (en) | Titanium target and manufacturing method thereof | |
| CN101649398B (en) | Method for synthesizing TiCx particle enhanced nickel base composite material by reaction in-situ | |
| CN1057346C (en) | Fe-Cr-Al alloy and its making method | |
| CN113881871B (en) | Ti-W-Nb intermediate alloy and preparation method thereof | |
| WO2012147998A1 (en) | α+β-TYPE OR β-TYPE TITANIUM ALLOY AND METHOD FOR MANUFACTURING SAME | |
| CN113249620B (en) | Delta-phase reinforced nickel-base high-temperature alloy and preparation method thereof | |
| CN114892064A (en) | FeCrCuVCo high-entropy alloy and preparation method thereof | |
| CN107245594A (en) | The preparation method of powdered metallurgical material | |
| CN110527856B (en) | Preparation method of high-surface-quality and high-strength nickel alloy strip | |
| CN114686747A (en) | Method for preparing copper stainless steel in-situ composite material by adopting vacuum consumable arc melting | |
| CN111910092A (en) | Preparation method of aluminum-niobium-boron intermediate alloy and aluminum-niobium-boron intermediate alloy |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |