CN110039039A - A kind of 3D printing powder of stainless steel - Google Patents
A kind of 3D printing powder of stainless steel Download PDFInfo
- Publication number
- CN110039039A CN110039039A CN201910284592.7A CN201910284592A CN110039039A CN 110039039 A CN110039039 A CN 110039039A CN 201910284592 A CN201910284592 A CN 201910284592A CN 110039039 A CN110039039 A CN 110039039A
- Authority
- CN
- China
- Prior art keywords
- stainless steel
- powder
- printing
- printing powder
- niobium
- 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
- 239000010935 stainless steel Substances 0.000 title claims abstract description 37
- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 37
- 239000000843 powder Substances 0.000 title claims abstract description 35
- 238000010146 3D printing Methods 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 claims abstract description 19
- 229910052758 niobium Inorganic materials 0.000 claims abstract description 19
- 229910052720 vanadium Inorganic materials 0.000 claims abstract description 15
- 229910052742 iron Inorganic materials 0.000 claims abstract description 5
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 3
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 3
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 3
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 20
- 239000007789 gas Substances 0.000 claims description 19
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 14
- 229910052786 argon Inorganic materials 0.000 claims description 10
- 230000032683 aging Effects 0.000 claims description 9
- 229910021529 ammonia Inorganic materials 0.000 claims description 7
- 238000000889 atomisation Methods 0.000 claims description 7
- 229910052804 chromium Inorganic materials 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 5
- 238000002844 melting Methods 0.000 claims description 5
- 229910052759 nickel Inorganic materials 0.000 claims description 5
- 238000004321 preservation Methods 0.000 claims description 4
- 238000013019 agitation Methods 0.000 claims description 3
- 239000004615 ingredient Substances 0.000 claims description 3
- 239000000155 melt Substances 0.000 claims description 3
- 239000010955 niobium Substances 0.000 abstract description 21
- 238000005260 corrosion Methods 0.000 abstract description 10
- 230000007797 corrosion Effects 0.000 abstract description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 10
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 abstract description 8
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 abstract description 6
- 238000001953 recrystallisation Methods 0.000 abstract description 4
- 239000006104 solid solution Substances 0.000 abstract description 4
- 238000013329 compounding Methods 0.000 abstract description 2
- 239000013078 crystal Substances 0.000 abstract description 2
- 230000006911 nucleation Effects 0.000 abstract description 2
- 238000010899 nucleation Methods 0.000 abstract description 2
- 238000001556 precipitation Methods 0.000 abstract description 2
- 239000007787 solid Substances 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- B22F1/0003—
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
- B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
- B22F9/082—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y70/00—Materials specially adapted for additive manufacturing
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
Abstract
The invention belongs to 3D printing technique fields, and in particular to a kind of 3D printing powder of stainless steel, each component including following weight percent: the Cr of 14.0-15.5%, the Ni of 3.0-5.5%, the Mn of the Si of the Cu of 0.5-1.5%, 0.3-0.8%, 0.5-1.0%, the Nb+V of 0.05-0.2%, 0.05% C below, 0.03% S below, 0.03% P below, 0.02% O below, the Fe of surplus.3D printing stainless steel products prepared by powder of stainless steel of the invention has good corrosion resistance, while intensity with higher and toughness；Nb and V are added in powder of stainless steel, and the mass ratio of Nb and V is 1:3-5, since the atomic size of niobium is greater than iron, be conducive to inhibit Recrystallization nucleation, to prevent the generation of recrystallization, simultaneously, since the complete solid solubility temperature of niobium is higher, and vanadium can realize solid solution at a lower temperature, therefore niobium and vanadium are used in compounding, vanadium is preferentially dissolved at a lower temperature, play the role of precipitation strength, and when temperature is lower, most of niobium not yet dissolves, be conducive to refine crystal grain, improve intensity.
Description
Technical field
The invention belongs to 3D printing technique fields, and in particular to a kind of 3D printing powder of stainless steel.
Background technique
3D printing is one kind of rapid shaping technique, it is one kind based on digital model file, with powdered gold
Belong to or plastic stool adhesive material, constructs the technology of object by layer-by-layer printing.3D printing technique is as a kind of new
The increases material manufacturing technology of type, low cost, short cycle, the intelligent feature with environmental protection meet current environmental protection and transition intelligence system
The development strategy made possesses unrivaled advantages for development and prospect by as one of industrial 4.0 9 big technology pillars.
In terms of the research of metal or alloy class 3D printing material at present is concentrated mainly on high intensity, and in 3D printing corrosion resistant
Research in terms of erosion metal material is less, limits 3D printing technique many to answering in corrosion-resistant more demanding field
With, such as ocean engineering field.
Summary of the invention
In order to obtain the good 3D printing powder of stainless steel of corrosion resistance, the invention discloses a kind of 3D printings with not
Rust powdered steel, the good corrosion resistance of the powder of stainless steel, while intensity with higher and toughness.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of 3D printing powder of stainless steel, each component including following weight percent: the Cr of 14.0-15.5%,
The Nb+V of the Mn of the Si of the Cu of the Ni of 3.0-5.5%, 0.5-1.5%, 0.3-0.8%, 0.5-1.0%, 0.05-0.2%,
0.05% C below, 0.03% S below, 0.03% P below, 0.02% O below, the Fe of surplus.
Preferably, the mass ratio of Nb and V is 1:3-5 in above-mentioned Nb+V.
Preferably, above-mentioned 3D printing powder of stainless steel, is made by following steps:
(1) by weight percentage of each component carry out quantitative ingredient, then gas shield and ultrasonic agitation under, according to Fe,
The sequence successively melting of Cr, Ni, Nb+V, other elements keep the temperature 2-3h, obtain melt；
(2) under ammonia and argon gas mixed atmosphere, atomization process is carried out to the melt that step (1) obtains, obtains primary not
Rust powdered steel；
(3) the primary powder of stainless steel for obtaining step (2) carries out solution treatment；
(4) powder of stainless steel after solution treatment in step (3) is subjected to ageing treatment；
(5) powder of stainless steel after ageing treatment in step (4) is sieved, obtaining partial size is 15-48 μm stainless
Powdered steel.
Preferably, gas used in gas shield is argon gas in above-mentioned steps (1).
Preferably, the volume ratio of ammonia and argon gas is 1:5-6 in above-mentioned steps (2).
Preferably, the atomization process mode in above-mentioned steps (2) is ultrasonic atomizatio.
Preferably, in above-mentioned steps (3) solution treatment method are as follows: under vacuum condition, in 1000-1050 DEG C of heat preservation 3-
Then 5h is air-cooled to room temperature.
Preferably, in above-mentioned steps (4) ageing treatment method are as follows: under vacuum condition, in 480-490 DEG C of heat preservation 1-
Then 2h is air-cooled to room temperature.
The present invention has following the utility model has the advantages that the stainless steel of 3D printing prepared by (1) powder of stainless steel of the invention
Product have good corrosion resistance, while intensity with higher and toughness；
(2) Nb and V are added in powder of stainless steel of the invention, and the mass ratio of Nb and V is 1:3-5, due to the original of niobium
Sub- size is greater than iron, is conducive to inhibit Recrystallization nucleation, so that the generation of recrystallization is prevented, simultaneously as the complete solid solution of niobium
Temperature is higher, and vanadium can realize solid solution at a lower temperature, therefore niobium and vanadium are used in compounding, and vanadium is preferentially in lower temperature
It is lower to be dissolved, play the role of precipitation strength, and when temperature is lower, most of niobium not yet dissolves, is conducive to refine crystal grain,
Improve the strength of materials the experiment has found that the mass ratio of 1:3-5 can obtain optimal effect between Nb and V；
(3) present invention carries out atomization process to melt under ammonia and argon gas mixed atmosphere and obtains powder of stainless steel, favorably
In increasing nitrogen content, spot corrosion and the generation of crevice corrosion can be effectively prevented, further increase the corrosion resisting property of material, same to time control
The volume ratio of ammonia and argon gas processed is 1:5-6, avoids nitrogen content excessively high and brittleness is caused to increase；
(4) present invention determine that the best solid solution treatment process and aging treatment process of prepared powder of stainless steel, helps
In intensity, toughness and corrosion resisting property that acquisition is optimal.
Specific embodiment
Presently in connection with embodiment, the present invention is described in further detail.
3D printing powder of stainless steel the preparation method comprises the following steps:
(1) by weight percentage of each component carry out quantitative ingredient, then gas shield and ultrasonic agitation under, according to Fe,
The sequence successively melting of Cr, Ni, Nb+V, other elements keep the temperature 2-3h, obtain melt；
(2) under ammonia and argon gas mixed atmosphere, atomization process is carried out to the melt that step (1) obtains, obtains primary not
Rust powdered steel；
(3) the primary powder of stainless steel for obtaining step (2) carries out solution treatment；
(4) powder of stainless steel after solution treatment in step (3) is subjected to ageing treatment；
(5) powder of stainless steel after ageing treatment in step (4) is sieved, obtaining partial size is 15-48 μm stainless
Powdered steel.
Wherein, gas used in gas shield is argon gas in step (1).
Atomization process mode in step (2) is ultrasonic atomizatio.
Embodiment 1-4 and each parameter of comparative example 1-11 are shown in Table 1.
Table 1
Comparative example 12 is substantially the same manner as Example 1, the difference is that, raw material melting sequence is Nb+V, Fe, Cr, Ni, its
His element.
Comparative example 13 is substantially the same manner as Example 1, the difference is that, raw material melting sequence is Fe, Nb+V, Cr, Ni, its
His element.
By powder of stainless steel prepared by embodiment 1-4 and comparative example 1-13 be respectively adopted SLS precinct laser printer into
Row printing, printed sample are after heat treatment processed into sample, tested for tensile strength, testing standard GB/T228.1-2010.
The performance test results of embodiment 1-4 and comparative example 1-13 are shown in Table 2.
Table 2
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.
Claims (8)
1. a kind of 3D printing powder of stainless steel, it is characterised in that: each component including following weight percent: 14.0-15.5%
Cr, the Nb+V of the Mn of the Si of the Cu of the Ni of 3.0-5.5%, 0.5-1.5%, 0.3-0.8%, 0.5-1.0%, 0.05-0.2%,
0.05% C below, 0.03% S below, 0.03% P below, 0.02% O below, the Fe of surplus.
2. 3D printing powder of stainless steel as described in claim 1, it is characterised in that: the mass ratio of Nb and V in the Nb+V
For 1:3-5.
3. such as the described in any item 3D printing powder of stainless steel of claim 1-2, it is characterised in that: be made by following steps:
(1) by weight percentage of each component carry out quantitative ingredient, then gas shield and ultrasonic agitation under, according to Fe, Cr,
The sequence successively melting of Ni, Nb+V, other elements keep the temperature 2-3h, obtain melt；
(2) under ammonia and argon gas mixed atmosphere, atomization process is carried out to the melt that step (1) obtains, obtains primary stainless steel
Powder；
(3) the primary powder of stainless steel for obtaining step (2) carries out solution treatment；
(4) powder of stainless steel after solution treatment in step (3) is subjected to ageing treatment；
(5) powder of stainless steel after ageing treatment in step (4) is sieved, obtains the stainless steel powder that partial size is 15-48 μm
End.
4. 3D printing powder of stainless steel as claimed in claim 3, it is characterised in that: gas shield institute in the step (1)
Gas is argon gas.
5. 3D printing powder of stainless steel as claimed in claim 3, it is characterised in that: ammonia and argon gas in the step (2)
Volume ratio be 1:5-6.
6. 3D printing powder of stainless steel as claimed in claim 3, it is characterised in that: the atomization process in the step (2)
Mode is ultrasonic atomizatio.
7. 3D printing powder of stainless steel as claimed in claim 3, it is characterised in that: solution treatment in the step (3)
Method are as follows: under vacuum condition, in 1000-1050 DEG C of heat preservation 3-5h, be then air-cooled to room temperature.
8. 3D printing powder of stainless steel as claimed in claim 3, it is characterised in that: ageing treatment in the step (4)
Method are as follows: under vacuum condition, in 480-490 DEG C of heat preservation 1-2h, be then air-cooled to room temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910284592.7A CN110039039A (en) | 2019-04-10 | 2019-04-10 | A kind of 3D printing powder of stainless steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910284592.7A CN110039039A (en) | 2019-04-10 | 2019-04-10 | A kind of 3D printing powder of stainless steel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110039039A true CN110039039A (en) | 2019-07-23 |
Family
ID=67276592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910284592.7A Pending CN110039039A (en) | 2019-04-10 | 2019-04-10 | A kind of 3D printing powder of stainless steel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110039039A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110860687A (en) * | 2019-10-28 | 2020-03-06 | 上海毅速激光科技有限公司 | Novel 3D printing powder steel and preparation method thereof |
| CN112077300A (en) * | 2020-09-04 | 2020-12-15 | 浙江翰德圣智能再制造技术有限公司 | High-strength wear-resistant corrosion-resistant steel powder manufactured by additive manufacturing and additive manufacturing method |
| CN113584386A (en) * | 2021-07-27 | 2021-11-02 | 中航迈特粉冶科技（北京）有限公司 | 3D printing stainless steel material and preparation method and application thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11302787A (en) * | 1998-02-19 | 1999-11-02 | Kawasaki Steel Corp | Alloy steel powder and powdery mixture for high strength sintered part |
| CN102618790A (en) * | 2012-03-26 | 2012-08-01 | 宝山钢铁股份有限公司 | High-strength low-Cr ferrite stainless steel and manufacturing method thereof |
| CN102689015A (en) * | 2012-06-21 | 2012-09-26 | 北京有色金属研究总院 | Metal powder preparation device and method therefor |
| CN105883731A (en) * | 2015-01-22 | 2016-08-24 | 南京杰博宏镓新型材料有限公司 | Preparation method of compound powder material |
| CN106661683A (en) * | 2014-02-28 | 2017-05-10 | 搲陆瑞客巴西钢管股份公司 | Martensitic-ferritic stainless steel, manufactured product and processes using the same |
-
2019
- 2019-04-10 CN CN201910284592.7A patent/CN110039039A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11302787A (en) * | 1998-02-19 | 1999-11-02 | Kawasaki Steel Corp | Alloy steel powder and powdery mixture for high strength sintered part |
| CN102618790A (en) * | 2012-03-26 | 2012-08-01 | 宝山钢铁股份有限公司 | High-strength low-Cr ferrite stainless steel and manufacturing method thereof |
| CN102689015A (en) * | 2012-06-21 | 2012-09-26 | 北京有色金属研究总院 | Metal powder preparation device and method therefor |
| CN106661683A (en) * | 2014-02-28 | 2017-05-10 | 搲陆瑞客巴西钢管股份公司 | Martensitic-ferritic stainless steel, manufactured product and processes using the same |
| CN105883731A (en) * | 2015-01-22 | 2016-08-24 | 南京杰博宏镓新型材料有限公司 | Preparation method of compound powder material |
Non-Patent Citations (1)
| Title |
|---|
| 轧制技术及连轧自动化国家重点实验室（东北大学）: "《基于超快冷技术含Nb钢组织性能控制及应用》", 31 October 2015, 冶金工业出版社 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110860687A (en) * | 2019-10-28 | 2020-03-06 | 上海毅速激光科技有限公司 | Novel 3D printing powder steel and preparation method thereof |
| CN112077300A (en) * | 2020-09-04 | 2020-12-15 | 浙江翰德圣智能再制造技术有限公司 | High-strength wear-resistant corrosion-resistant steel powder manufactured by additive manufacturing and additive manufacturing method |
| CN113584386A (en) * | 2021-07-27 | 2021-11-02 | 中航迈特粉冶科技（北京）有限公司 | 3D printing stainless steel material and preparation method and application thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110039039A (en) | A kind of 3D printing powder of stainless steel | |
| CN101787501B (en) | Bulk metal glass composite material with stretching plasticity and work hardening capacity | |
| CN108842095A (en) | High strength and low cost alpha+beta titanium alloys and preparation method thereof | |
| CN103317256A (en) | Austenitic stainless steel submerged-arc welding wire with excellent high-temperature strength | |
| CN109082582B (en) | A kind of the magnesium-based high-entropy alloy and preparation method of high-strength tenacity high rigidity | |
| US10472701B2 (en) | Ni-based superalloy for hot forging | |
| CN108486410A (en) | A kind of superelevation strength and ductility product low-cost titanium alloy and the preparation method and application thereof | |
| CN105312793A (en) | Fe-Ni based high-temperature alloy welding wire for high-temperature component for 700 DEG C ultra-supercritical thermal power and application of Fe-Ni based high-temperature alloy welding wire | |
| CN104651657B (en) | A kind of preparation method of precipitation strength sections nickel cobalt based high-temperature alloy | |
| CN103131896B (en) | Low-cost beta-close titanium alloy | |
| CN104694779B (en) | A kind of B30 materials and preparation method thereof | |
| CN103160721A (en) | High-hardness heat-resistant magnesium alloy | |
| CN103484785A (en) | High-strength alloy containing rare-earth elements and preparation method thereof | |
| CN106702241A (en) | Boron strengthened high-density and high-strength tungsten, nickel and cobalt alloy and preparation method | |
| US10119182B2 (en) | Ni-based superalloy for hot forging | |
| CN101988167A (en) | High-temperature titanium alloy | |
| CN104988357A (en) | Nickel base alloy material for ultra-supercritical steam turbine | |
| CN104325132B (en) | A kind of powder used in metallurgy anticorrosive additive and preparation method thereof | |
| CN107604260A (en) | A kind of ferrous alloy and preparation method thereof | |
| CN110016596A (en) | A kind of 3D printing high-strength aluminum alloy powder | |
| CN108315597A (en) | A kind of chemical industry for making chlorine and alkali nickel-base alloy | |
| CN108103400A (en) | Maraging steel of compound precipitation strength and preparation method thereof between a kind of nano level metal | |
| CN100460540C (en) | High-strength high-toughness titanium alloy | |
| CN114395739A (en) | Niobium-titanium composite reinforced duplex stainless steel and preparation method thereof | |
| CN108559898B (en) | Low-cost high-toughness wrought magnesium alloy and preparation method thereof |
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 | ||
| AD01 | Patent right deemed abandoned | ||
| AD01 | Patent right deemed abandoned |
Effective date of abandoning: 20220311 |