CN106381439A - Method for preparing nanometer oxide dispersion strengthening martensite heat resistant steel through explosive sintering - Google Patents
Method for preparing nanometer oxide dispersion strengthening martensite heat resistant steel through explosive sintering Download PDFInfo
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- CN106381439A CN106381439A CN201610802469.6A CN201610802469A CN106381439A CN 106381439 A CN106381439 A CN 106381439A CN 201610802469 A CN201610802469 A CN 201610802469A CN 106381439 A CN106381439 A CN 106381439A
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- powder
- oxide
- resistant steel
- martensite heat
- sintering
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/02—Making ferrous alloys by powder metallurgy
-
- 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
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/02—Compacting only
- B22F3/08—Compacting only by explosive forces
-
- 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
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/10—Sintering only
-
- 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
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
- B22F2998/10—Processes characterised by the sequence of their steps
Abstract
The invention relates to a method for preparing nanometer oxide dispersion strengthening martensite heat resistant steel through explosive sintering. The method comprises the steps that oxide powder and martensite steel powder are subjected to ball milling and mixed to be uniform, and solid solution of the oxide in a martensite steel powder base body is achieved; the powder subjected to ball milling is compacted and loaded into a molding cavity, the molding cavity is welded and sealed, ball milling for powder preparation needs to be carried out under high-purity inert gas shielding, and the powder needs to be placed in a vacuum environment when sealed in the molding cavity; then, compaction of the powder in the molding cavity is achieved through high-speed shock waves produced through explosive explosion, finally, complete powder fusion is achieved through high-temperature solid phase sintering, and the oxide is dispersedly precipitated in a nanometer phase mode. By means of the method, preparation of large-size high-density nanometer oxide dispersion strengthening martensite heat resistant steel plates, bars and pipes can be achieved.
Description
Technical field
The present invention relates to a kind of prepare the method that nano oxide dispersion strengthens martensite heat-resistant steel using explosive sintering.
Background technology
Martensite heat-resistant steel has high antioxygenic property and high temperature resistance steam corrosion performance, but also has good rushing
Hit toughness and high and stable rupture ductility and thermostrength.The martensite heat-resistant steel of wherein 8-15Cr series, as making of P91 steel
With ceiling temperature within 600 DEG C, it is widely used in the high-temperature and pressure pipeline in all kinds of power stations.The low activation horse of 8-10Cr series
Family name's body steel has good anti-neutron irradiation swelling performance, and such as Chinese low activation martensitic steel has been chosen as the head of Chinese fusion reactor
Select structural material, and may be applied to other advanced reactors.Martensite heat-resistant steel is common thermal power station and nuclear power extensively makes
Pipeline and thermal structure steel.With society for environmental protection and energy-efficient pursuit, people are for power station thermoelectrical efficiency
Requirement more and more higher it is proposed that the concept of supercritical or even ultra supercritical, in order to improve making of martensite heat-resistant steel further
With temperature, can be by the SC service ceiling temperature of martensite heat-resistant steel by present 550～600 by the enhanced mode of nano-oxide
DEG C improve to 650～700 DEG C, thus effectively lifting the thermoelectrical efficiency in power station.
At present, oxide dispersion intensifying martensite heat-resistant steel is mainly sintered by high temperature insostatic pressing (HIP) or cold by machinery
Carry out solid-phase sintering after pressure.Hot Isostatic Pressing Diffusion is due to being limited by equipment size and powder internal friction causes presses
Fall, is difficult to the preparation of macro nanometer oxide dispersion intensifying martensite heat-resistant steel section bar at present.And consistency of colding pressing is subject to
Larger to the impact of powder air content, after therefore colding pressing, the material porosity of solid-phase sintering is very high, and consistency only reaches about
98%.This plasticity to material, especially impact property causes strong influence, and its impact absorbing energy is only vacuum environment and protects
The impact absorbing energy 1/10th about of the lower prepared material of shield, and cold moudling is equally limited by equipment size size.
The present invention proposes and a kind of is strengthened by exploding and sinter the method that combines and realize high-compactness macro nanometer oxide
The preparation of martensite heat-resistant steel.
Content of the invention
The technology solve problem of the present invention：One kind is provided to prepare nano oxide dispersion strengthening martensite using explosive sintering
The method of heat resisting steel, the high pressure shock wave being produced by explosive charge, realize the instant shock between powder body and fusion, without mould
With other formers.On the one hand overcome Hot Isostatic Pressing Diffusion to be limited by equipment size, on the other hand overcome
The shortcoming that between cold moudling powder degree of compaction is low and the parts-moulding size that equally exists is subject to equipment limit.
The present invention provides a kind of method preparing nano oxide dispersion strengthening martensite heat-resistant steel using explosive sintering, will
This technique is used for the preparation of nano-oxide enhanced P91 steel or low activation martensitic steel, by reducing the air content of powder,
Solid solution in martensite heat-resistant steel powdered base for the oxide is realized by ball milling simultaneously, and realize powder by way of blast
Compacting and preliminary combine, then the cmpletely diffusion between powder is realized by high temperature solid-phase sintering, and makes oxide to receive
The form disperse educt of rice phase, is finally reached good elevated temperature strength.
Technical scheme is as follows：
A kind of method that nano oxide dispersion strengthening martensite heat-resistant steel is prepared using explosive sintering, the oxygen that will strengthen
Compound powder is mixed homogeneously by mechanical alloying with martensite heat-resistant steel powder and is realized oxide in martensite steel powder base
Solid solution in body；Then the powder densification after ball milling is filled in molding cavity, and vacuum sealing is carried out to molding cavity；Again
The high speed impact ripple being produced by explosive charge realizes the compacting of powder in cavity, obtains the material of densification；Finally utilize high temperature
Solid-phase sintering realizes the fusion further between powder, and makes oxide in martensite heat-resistant steel in the form of nanoscale second phase
Disperse educt.
Described oxide powder is yittrium oxide, aluminium oxide or thorium oxide；The particle diameter of described oxide powder is 30～80nm,
So that oxide enters martensite heat-resistant steel by mechanical alloying as early as possible.
Described martensite heat-resistant steel is the martensite heat-resistant steel measured containing Cr as 8-15%；The particle diameter of martensite heat-resistant steel is 30
～80 μm, in order to avoid meticulous powder is reunited, and excessive powder is difficult to the uniform mechanical alloy with oxide powder
Change.
The mass fraction of described oxide powder is 0.1～0.5%, and the mass fraction of martensite heat-resistant steel powder is 99.5
～99.9%, to obtain optimal oxide machinery alloying effect.
Described ball milling mixing ratio of grinding media to material, that is, the mass ratio of abrading-ball and powder is 10:1～15:1, Ball-milling Time is 36～48
Hour, rotational speed of ball-mill in 200～300rpm, is higher than 10Pa (or high purity inert gas (purity is more than 99.99%) protection in vacuum
Down mechanical alloying is realized by ball milling, the powder diameter after ball milling is 50% powder diameter for D50 particle diameter, reached good
The powder diameter uniformity.
When described molding cavity carries out vacuum sealing, under vacuum the powder after ball milling is loaded in molding cavity,
Sealed using electron beam or laser simultaneously, then by lighting detonator, ignite the gunpowder around molding cavity, produce with quick-fried
The shock wave that fried speed is propagated, pressure reaches more than 5GPa, make the powder of filling under Shock Wave sharp impacts, extrude and rub
Wipe, finally can get the material of consistency up to more than 99.5%.
During described high temperature solid-phase sintering, high temperature sintering temperature is 1000～1200 DEG C, solid-phase sintering 2～4 hours, to realize
Abundant diffusion between powder, and make oxide again with nanometer phase disperse educt.
Present invention advantage compared with prior art is：
(1) present invention can not be limited by equipment size by HIP sintering, realize nano-oxide and strengthen martensite
The preparation of heat resisting steel large scale section bar, its preparation rank can reach more than hundred feather weight even tonne.
(2) present invention requires to control the air content of powder by condition of high vacuum degree, and realizes big pressure work by explosive manner
With the compacting between lower powder, and realize the complete diffusion bond of powder under high temperature solid-phase sintering, obtain high material fine and close
Degree.
Brief description
Fig. 1 strengthens, for nano-oxide, the flow chart that martensite heat-resistant steel prepares scheme.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment is discussed in detail the present invention.But below example is only limitted to explain this
Bright, protection scope of the present invention should include the full content of claim, is not limited only to the present embodiment.
A kind of the method that nano oxide dispersion strengthens martensite heat-resistant steel is prepared using explosive sintering, oxide powder is
Yittrium oxide, aluminium oxide or thorium oxide, by D50 particle diameter after ball milling (50% powder diameter) in 30～80 μm of oxides and martensite
Uniformly, the mass fraction of oxide powder is 0.1～0.5% to powdered steel mixing and ball milling, and in mechanical milling process, ratio of grinding media to material is 10:1
～15:1, Ball-milling Time is 36～48 hours, and rotating speed, in 200-300rpm, is realized the uniform mixing of powder, reached grain simultaneously
Footpath distribution and the optimum of flour extraction.
Because the consistency that nano-oxide strengthens martensite heat-resistant steel is affected very big, ball milling system by the air content of powder
Powder needs to carry out under the conditions of high purity inert gas or vacuum protection.Powder after ball milling mixing is filled in under vacuum
In die cavity body, and realize the sealing of forming cavity by electron beam or laser, environment vacuum degree<10Pa.
Explosive around molding cavity is evenly distributed on by cap sensitive, under the high speed shock wave that blast produces, realizes powder
The compacting at end.Pressure on powder for the Shock Wave that blast produces can reach more than 5GPa, powder in the presence of this pressure
Sharp impacts between end, compress and rub against, realize rapidly closely knit and preliminary combination and fuse, then by the powder after explosive compaction in height
Carry out solid-phase sintering, sintering temperature is 1000～1200 DEG C, sintering time is 2～4 hours, to realize filling between powder in warm stove
Point diffusion, and make oxide again with the second of 10～50nm in martensite heat-resistant steel matrix disperse educt.
The present invention is suitable to prepare sheet material, the bar of large scale high-compactness nano oxide dispersion strengthening martensite heat-resistant steel
And tubing, it is possible to achieve more than hundred feather weight prepared by the section bar of even tonne scale, and its consistency is up to more than 99.5%.
The nano-oxide of present invention preparation strengthens martensite heat-resistant steel needs large-size components will carry out consistency detection, micro-
See fabric analysiss and Mechanics Performance Testing, especially impact property.
Embodiment 1：
1 flow process with reference to the accompanying drawings, prepares the 9Cr1.5WVTa martensite heat-resistant steel powder of particle diameter～62 μm first, then will
Particle diameter autumn Mo after the yttrium oxide powder of～48nm is mixed with martensite comminuted steel shot uniformly, and realizes oxide in martensite steel
Solid solution.The ratio of grinding media to material of ball milling is 15:1, in 220rpm, the time of ball milling is in about 36h for the rotating speed of ball milling.Carry out before ball milling 4 times
Evacuation and be filled with Ar and be carried out, finally in purity>Carry out the ball milling of powder, powder body goes out powder under 99.99% Ar gas shielded
Rate reaches 80%.
Prepared powder is loaded a diameter of 60mm, length is in the bar-shaped cavity of 1200mm, then utilize electron beam
Carry out the Vacuum Package of cavity.Whole powder processed is carried out all in glove box to dress powder process, vacuum in glove box<5Pa.
Then symmetrically arrange explosive in the bar-shaped cavity surrounding loading powder, drawn by lighting the detonator being placed in top
Bursting charge, produces column shock wave from top to bottom, and the bar-shaped molding cavity of compressing produces radial contraction, oppresses powder densification, finally
Material after explosive forming is placed in high temperature furnace and carries out solid-phase sintering, at 1100 ± 5 DEG C, sintering time is about sintering temperature
3 hours.
Finally, the detection of material density, its consistency are carried out by densimetry after being sampled on the bar of preparation
Reach 99.6%, and by ultramicroscope, the pick-up behavior of its nano-oxide is analyzed and characterizes, nano-oxide
Particle diameter is less than 15nm, in Dispersed precipitate.
Embodiment 2：
1 flow process with reference to the accompanying drawings, prepares the 9Cr1.5WVTa martensite heat-resistant steel powder of particle diameter～63 μm first, then will
Particle diameter autumn Mo after the yttrium oxide powder of～56nm is mixed with martensite comminuted steel shot uniformly, and realizes oxide in martensite steel
Solid solution.The ratio of grinding media to material of ball milling is 13:1, in 280rpm, the time of ball milling is in about 45h for the rotating speed of ball milling.Carry out before ball milling 4 times
Evacuation and be filled with Ar and be carried out, finally in purity>Carry out the ball milling of powder, powder body goes out powder under 99.99% Ar gas shielded
Rate reaches 85%.
It is 1500mm that prepared powder is loaded length, wide 1000mm, and thickness is Ran Houli in the tabular cavity of 30mm
Carry out the Vacuum Package of cavity with electron beam.Whole powder processed is all carried out under vacuum to dress powder process, vacuum<10Pa.
Then it is evenly arranged explosive above the tabular cavity loading powder, exploded by lighting the cap sensitive being placed in side
Medicine, produces shock wave, and compressing tabular molding cavity produces and shrinks, and oppresses powder densification, finally places the material after explosive forming
Carry out solid-phase sintering in high temperature furnace, at 1080 ± 5 DEG C, sintering time is about 3 hours sintering temperature.
Finally, the detection of material density, its consistency are carried out by densimetry after being sampled on the sheet material of preparation
Reach 99.5%, and by ultramicroscope, the pick-up behavior of its nano-oxide is analyzed and characterizes, nano-oxide
Particle diameter is less than 15nm, in Dispersed precipitate.
Embodiment 3：
1 flow process with reference to the accompanying drawings, prepares the 9Cr1.5WVTa martensite heat-resistant steel powder of particle diameter～50 μm first, then will
Particle diameter autumn Mo after the yttrium oxide powder of～62nm is mixed with martensite comminuted steel shot uniformly, and realizes oxide in martensite steel
Solid solution.The ratio of grinding media to material of ball milling is 15:1, in 250rpm, the time of ball milling is in about 42h for the rotating speed of ball milling.Carry out before ball milling 4 times
Evacuation and be filled with Ar and be carried out, finally in purity>Carry out the ball milling of powder, powder body goes out powder under 99.99% Ar gas shielded
Rate reaches 90%.
It is 1800mm that prepared powder is loaded length, wide 1000mm, and thickness is Ran Houli in the tabular cavity of 10mm
Carry out the Vacuum Package of cavity with electron beam.Whole powder processed is carried out all in glove box to dress powder process, vacuum in glove box<
1Pa.
Then it is evenly arranged explosive above the tabular cavity loading powder, exploded by lighting the cap sensitive being placed in side
Medicine, produces shock wave, and compressing tabular molding cavity produces and shrinks, and oppresses powder densification, finally places the material after explosive forming
Carry out solid-phase sintering in high temperature furnace, at 1150 ± 5 DEG C, sintering time is about 3 hours sintering temperature.
Finally, the detection of material density, its consistency are carried out by densimetry after being sampled on the sheet material of preparation
Reach 99.8%, and by ultramicroscope, the pick-up behavior of its nano-oxide is analyzed and characterizes, nano-oxide
Particle diameter is less than 15nm, in Dispersed precipitate.
Embodiment 4：
1 flow process with reference to the accompanying drawings, prepares the 9Cr1.5WVTa martensite heat-resistant steel powder of particle diameter～50 μm first, then will
Particle diameter autumn Mo after the yttrium oxide powder of～62nm is mixed with martensite comminuted steel shot uniformly, and realizes oxide in martensite steel
Solid solution.The ratio of grinding media to material of ball milling is 10:1, in 300rpm, the time of ball milling is in about 38h for the rotating speed of ball milling.Carry out before ball milling 4 times
Evacuation and be filled with Ar and be carried out, finally in purity>Carry out the ball milling of powder, powder body goes out powder under 99.99% Ar gas shielded
Rate reaches 85%.
Prepared powder is loaded a diameter of 80mm, length is in the bar-shaped cavity of 1800mm, then utilize electron beam
Carry out the Vacuum Package of cavity.Whole powder processed is carried out all in glove box to dress powder process, vacuum in glove box<5Pa.
Then it is evenly arranged explosive in the bar-shaped cavity surrounding loading powder, exploded by lighting the cap sensitive being placed in side
Medicine, produces shock wave, and the bar-shaped molding cavity of compressing produces and shrinks, and oppresses powder densification, finally places the material after explosive forming
Carry out solid-phase sintering in high temperature furnace, at 1060 ± 5 DEG C, sintering time is about 3 hours sintering temperature.
Finally, the detection of material density, its consistency are carried out by densimetry after being sampled on the bar of preparation
Reach 99.5%, and by ultramicroscope, the pick-up behavior of its nano-oxide is analyzed and characterizes, nano-oxide
Particle diameter is less than 10nm, in Dispersed precipitate.
Embodiment 5：
1 flow process with reference to the accompanying drawings, prepares the 9Cr1.5WVTa martensite heat-resistant steel powder of particle diameter～75 μm first, then will
Particle diameter autumn Mo after the yttrium oxide powder of～38nm is mixed with martensite comminuted steel shot uniformly, and realizes oxide in martensite steel
Solid solution.The ratio of grinding media to material of ball milling is 15:1, in 300rpm, the time of ball milling is in about 48h for the rotating speed of ball milling.Carry out before ball milling 4 times
Evacuation and be filled with Ar and be carried out, finally in purity>Carry out the ball milling of powder, powder body goes out powder under 99.99% Ar gas shielded
Rate reaches 88%.
Prepared powder is loaded a diameter of 50mm, length is in the bar-shaped cavity of 2000mm, then utilize electron beam
Carry out the Vacuum Package of cavity.Whole powder processed is carried out all in glove box to dress powder process, vacuum in glove box<5Pa.
Then it is evenly arranged explosive in the bar-shaped cavity surrounding loading powder, exploded by lighting the cap sensitive being placed in side
Medicine, produces shock wave, and the bar-shaped molding cavity of compressing produces and shrinks, and oppresses powder densification, finally places the material after explosive forming
Carry out solid-phase sintering in high temperature furnace, at 1180 ± 5 DEG C, sintering time is about 3 hours sintering temperature.
Finally, the detection of material density, its consistency are carried out by densimetry after being sampled on the bar of preparation
Reach 99.8%, and by ultramicroscope, the pick-up behavior of its nano-oxide is analyzed and characterizes, nano-oxide
Particle diameter is less than 20nm, in Dispersed precipitate.
In a word, by the various embodiments described above as can be seen that the nano-oxide enhancing martensite prepared by the present invention is heat-resisting
Steel has the features such as consistency is high, and part dimension is big, is conducive to the scale application promoting nano-oxide to strengthen heat resisting steel.
It is further to note that according to the various embodiments described above of the present invention, those skilled in the art are can to realize completely
The four corner of the claims in the present invention 1 and appurtenance, realize process and the same the various embodiments described above of method；And the present invention is not
Elaborate and partly belong to techniques well known.
The above, part specific embodiment only of the present invention, but protection scope of the present invention is not limited thereto, and appoints
What those skilled in the art the invention discloses technical scope in, the change or replacement that can readily occur in, all should cover
Within protection scope of the present invention.
Claims (7)
1. a kind of using explosive sintering prepare nano oxide dispersion strengthen martensite heat-resistant steel method it is characterised in that：Will
The oxide powder strengthening is mixed homogeneously by mechanical alloying with martensite heat-resistant steel powder and is realized oxide in geneva
Solid solution in body powdered steel matrix；Then the powder densification after ball milling is filled in molding cavity, and molding cavity is carried out
Vacuum sealing；The high speed impact ripple being produced by explosive charge again realizes the compacting of powder in cavity, obtains the material of densification；?
Realize the fusion further between powder using high temperature solid-phase sintering afterwards, and make oxide with nanoscale in martensite heat-resistant steel
The form disperse educt of two-phase.
2. according to claim 1 a kind of nano oxide dispersion is prepared using explosive sintering strengthen martensite heat-resistant steel
Method it is characterised in that：Described oxide powder is yittrium oxide, aluminium oxide or thorium oxide；The particle diameter of described oxide powder is
30～80nm.
3. according to claim 1 a kind of nano oxide dispersion is prepared using explosive sintering strengthen martensite heat-resistant steel
Method it is characterised in that：Described martensite heat-resistant steel is the martensite heat-resistant steel measured containing Cr as 8-15%；Martensite heat-resistant steel
Particle diameter is 30～80 μm.
4. according to claim 1 a kind of nano oxide dispersion is prepared using explosive sintering strengthen martensite heat-resistant steel
Method it is characterised in that：The mass fraction of described oxide powder is 0.1～0.5%, and the quality of martensite heat-resistant steel powder is divided
Number is 99.5～99.9%.
5. according to claim 1 a kind of nano oxide dispersion is prepared using explosive sintering strengthen martensite heat-resistant steel
Method it is characterised in that：Described ball milling mixing ratio of grinding media to material, that is, the mass ratio of abrading-ball and powder is 10:1～15:1, Ball-milling Time
For 36～48 hours, rotational speed of ball-mill, in 200～300rpm, was higher than to pass through ball milling under 10Pa or high purity inert gas protection in vacuum
Realize mechanical alloying, the powder diameter after ball milling is 50% powder diameter for D50 particle diameter.
6. according to claim 1 a kind of nano oxide dispersion is prepared using explosive sintering strengthen martensite heat-resistant steel
Method it is characterised in that：When described molding cavity carries out vacuum sealing, under vacuum the powder after ball milling is loaded molding
In cavity, sealed using electron beam or laser simultaneously, then by lighting detonator, ignited the gunpowder around molding cavity,
Produce the shock wave propagated with detonation velocity, pressure reaches more than 5GPa, make the powder of filling under Shock Wave sharp impacts, squeeze
Pressure and friction, finally obtain the material of consistency up to more than 99.5%.
7. according to claim 1 a kind of nano oxide dispersion is prepared using explosive sintering strengthen martensite heat-resistant steel
Method it is characterised in that：During described high temperature solid-phase sintering, high temperature sintering temperature is 1000～1200 DEG C, and solid-phase sintering 2～4 is little
When, to realize the abundant diffusion between powder, and make oxide again with nanometer phase disperse educt.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107012412A (en) * | 2017-04-07 | 2017-08-04 | 华北理工大学 | A kind of preparation method of the active composite material of embedded screen net structure |
| CN115125431A (en) * | 2022-05-16 | 2022-09-30 | 河北工业大学 | Method for refining low-activation ferrite martensite steel structure |
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| CN101328562A (en) * | 2008-07-17 | 2008-12-24 | 中国科学院等离子体物理研究所 | Oxide dispersion strengthening low activity martensitic steel material and preparation thereof |
| CN101554674A (en) * | 2008-12-08 | 2009-10-14 | 四川惊雷科技股份有限公司 | Explosive welding method for martensitic stainless steel 00Cr13Ni5Mo composite steel plate |
| CN105274445A (en) * | 2014-06-06 | 2016-01-27 | 中国科学院金属研究所 | Oxide-dispersion-strengthened low-activation steel and preparation method thereof |
| CN105478991A (en) * | 2015-12-30 | 2016-04-13 | 中国科学院合肥物质科学研究院 | Preparation method for heat-resistant component containing embedded runner, of fusion reactor blanket |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101328562A (en) * | 2008-07-17 | 2008-12-24 | 中国科学院等离子体物理研究所 | Oxide dispersion strengthening low activity martensitic steel material and preparation thereof |
| CN101554674A (en) * | 2008-12-08 | 2009-10-14 | 四川惊雷科技股份有限公司 | Explosive welding method for martensitic stainless steel 00Cr13Ni5Mo composite steel plate |
| CN105274445A (en) * | 2014-06-06 | 2016-01-27 | 中国科学院金属研究所 | Oxide-dispersion-strengthened low-activation steel and preparation method thereof |
| CN105478991A (en) * | 2015-12-30 | 2016-04-13 | 中国科学院合肥物质科学研究院 | Preparation method for heat-resistant component containing embedded runner, of fusion reactor blanket |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107012412A (en) * | 2017-04-07 | 2017-08-04 | 华北理工大学 | A kind of preparation method of the active composite material of embedded screen net structure |
| CN115125431A (en) * | 2022-05-16 | 2022-09-30 | 河北工业大学 | Method for refining low-activation ferrite martensite steel structure |
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