CN106755726A - One kind contains rare earth, calcium, barium, molybdenum titanium titanium silicon nitride alloy claded wire high - Google Patents
One kind contains rare earth, calcium, barium, molybdenum titanium titanium silicon nitride alloy claded wire high Download PDFInfo
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- CN106755726A CN106755726A CN201611016008.2A CN201611016008A CN106755726A CN 106755726 A CN106755726 A CN 106755726A CN 201611016008 A CN201611016008 A CN 201611016008A CN 106755726 A CN106755726 A CN 106755726A
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- rare earth
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- barium
- calcium
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- 239000011575 calcium Substances 0.000 title claims abstract description 41
- 229910052761 rare earth metal Inorganic materials 0.000 title claims abstract description 41
- 229910052581 Si3N4 Inorganic materials 0.000 title claims abstract description 37
- 229910052791 calcium Inorganic materials 0.000 title claims abstract description 33
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 32
- 239000000956 alloy Substances 0.000 title claims abstract description 32
- 229910052788 barium Inorganic materials 0.000 title claims abstract description 32
- 150000002910 rare earth metals Chemical class 0.000 title claims abstract description 32
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 title claims abstract description 30
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 title claims abstract description 30
- -1 molybdenum titanium titanium silicon Chemical compound 0.000 title claims abstract description 29
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 63
- 239000010959 steel Substances 0.000 claims abstract description 63
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 40
- 239000002245 particle Substances 0.000 claims abstract description 20
- 229910052742 iron Inorganic materials 0.000 claims abstract description 16
- 239000000843 powder Substances 0.000 claims abstract description 15
- UGACIEPFGXRWCH-UHFFFAOYSA-N [Si].[Ti] Chemical compound [Si].[Ti] UGACIEPFGXRWCH-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000000470 constituent Substances 0.000 claims abstract description 7
- 239000010936 titanium Substances 0.000 claims description 30
- 229910000676 Si alloy Inorganic materials 0.000 claims 1
- QAKIDWGXFZCSRP-UHFFFAOYSA-N [Ti].[Mo].[Ti] Chemical compound [Ti].[Mo].[Ti] QAKIDWGXFZCSRP-UHFFFAOYSA-N 0.000 claims 1
- ZPZCREMGFMRIRR-UHFFFAOYSA-N molybdenum titanium Chemical compound [Ti].[Mo] ZPZCREMGFMRIRR-UHFFFAOYSA-N 0.000 claims 1
- 238000011084 recovery Methods 0.000 abstract description 15
- 238000000034 method Methods 0.000 abstract description 11
- 229910000742 Microalloyed steel Inorganic materials 0.000 abstract description 7
- 230000008901 benefit Effects 0.000 abstract description 5
- 229910000616 Ferromanganese Inorganic materials 0.000 abstract description 3
- 229910000519 Ferrosilicon Inorganic materials 0.000 abstract description 3
- DALUDRGQOYMVLD-UHFFFAOYSA-N iron manganese Chemical compound [Mn].[Fe] DALUDRGQOYMVLD-UHFFFAOYSA-N 0.000 abstract description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 24
- 229910052757 nitrogen Inorganic materials 0.000 description 14
- 229910052719 titanium Inorganic materials 0.000 description 12
- 239000013078 crystal Substances 0.000 description 10
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 9
- 238000005266 casting Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 9
- 229910000859 α-Fe Inorganic materials 0.000 description 9
- 229910001566 austenite Inorganic materials 0.000 description 7
- 238000001556 precipitation Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 238000005275 alloying Methods 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 238000001953 recrystallisation Methods 0.000 description 5
- 238000007670 refining Methods 0.000 description 5
- 229910000906 Bronze Inorganic materials 0.000 description 4
- 230000033228 biological regulation Effects 0.000 description 4
- 239000010974 bronze Substances 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 239000002131 composite material Substances 0.000 description 4
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 3
- 241001417490 Sillaginidae Species 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910001021 Ferroalloy Inorganic materials 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 230000001976 improved effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 238000009628 steelmaking Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 229910001200 Ferrotitanium Inorganic materials 0.000 description 1
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 230000003009 desulfurizing effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 229910052747 lanthanoid Inorganic materials 0.000 description 1
- 150000002602 lanthanoids Chemical class 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000010813 municipal solid waste Substances 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/0056—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00 using cored wires
-
- B22F1/0003—
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/0006—Adding metallic additives
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/06—Deoxidising, e.g. killing
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
- C22C29/16—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on nitrides
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Treatment Of Steel In Its Molten State (AREA)
Abstract
The present invention relates to a kind of alloy claded wire.One kind contains rare earth, calcium, barium, molybdenum titanium titanium silicon nitride alloy claded wire high, the core-spun yarn includes sandwich layer and the sheetmetal layer being wrapped in outside the sandwich layer, the sandwich layer is that particle diameter is below 3mm containing rare earth, calcium, barium, molybdenum titanium titanium silicon nitride alloy powder high, the mesh-supported layer that steel or iron are made is provided between the sandwich layer and sheetmetal layer, is made up of following elemental constituent by mass percentage containing rare earth, calcium, barium, molybdenum titanium titanium silicon nitride alloy powder high：Al1.0 ~ 2.5%, N5 ~ 15%, Mn2.5 ~ 5.0%, Mg1.0 ~ 2.5%, Ti40 ~ 50%, Si25 ~ 35%, Ca5 ~ 10%, Mo0.5 ~ 1.0%, Ba0.5 ~ 1.0%, rare earth element 1.0 ~ 2.0%, P≤0.1%, S≤0.1%；Fe surpluses.The alloyed powder can not only solve the problems, such as that the rate of recovery is low during micro alloyed steel is added to by the method using core-spun yarn, and can also save the usage amount of ferrosilicon, ferromanganese, titanium silicon nitride and its core-spun yarn Alloyapplication be developed, with significant economic benefit.
Description
Technical field
The present invention relates to a kind of alloy claded wire.
Background technology
China is big steel country, but ratio shared by the quantity and kind of high-quality steel is smaller, can not only meet China's warp
Ji builds the requirement with national defense construction, and the waste of resource is quite serious, and the cost for causing smelting iron and steel is continuously increased.Solution
Certainly the fundamental way of above mentioned problem is that the novel metallurgical subject-micro-alloying technology occurred using 20 century 70s is existed
Micro (0.001%-0.1%) alloying element is added in steel, just can be to the performance of steel (such as high intensity, high tenacity, good solderable
Property and corrosion resistance) reach significant improvement, while saving valuable alloying element, with reduces cost, this is traditional steel
Produce the important symbol converted to modern production.After the nineties in 20th century, the main steel producing country of China and the world makes in succession
Development plan that is fixed and implementing New Generation Steel PRODUCTION TRAITS, super fine organization, high-cleanness, high, high evenness micro alloyed steel into
It is the Main Trends of The Development of ferrous materials.At present, micro alloyed steel accounts for the total ratio most of steel, and world average level is about 15%,
Industrialized country reaches 30%, and China is less than 5%, therefore China's urgent need micro-alloying technology transforms the original low-alloy of China
High-strength steel system, and micro alloyed steel kind and Iron ＆ Steel Material of New Generation that exploitation is badly in need of are combined with controlled rolling and controlled cooling.
Core-spun yarn is to be intended to add the various additives (deoxidier, desulfurizing agent, alterant, alloy etc.) in molten steel or iron liquid
Certain granularity is broken into, is then included being a composite with random length with cold-rolled low carbon steel band.Cored
Line technology is a kind of external refining means for growing up on the basis of spraying metallurgy technology the eighties.Core-spun yarn is applied to steel-making
And casting.Steel inclusion morphology can be purified for making steel, molten steel castability is improved, improves the performance of steel, and can significantly carried
Low alloy-consumption, drops in the recovery rate of high alloy, reduces steel-making cost, remarkable in economical benefits.
Titanium silicon nitride core-spun yarn is new composite core-spun yarn in screw-thread steel wire production.Added from the later stage is refined, can
The recovery rate of nitrogen in steel titanium is improved, other ferroalloy consumptions is reduced, with significant economic benefit.Due to titanium silicon nitride alloy
Proportion kicks the beam（It is lower than ferro-titanium by more than 30% containing iron content in rare earth, calcium, barium, molybdenum titanium titanium silicon nitride alloy high）, adding
Cheng Zhong, swims in molten steel surface and is combined with slag and be oxidized, and causes the recovery rate of titanium relatively low（Average out to 27%）, titanium contains in steel
Amount 0.0038%, does not reach internal quality control requirement.And contain rare earth, calcium, barium, molybdenum titanium titanium silicon nitride alloy high at Argon station by bag
On the one hand can be that alloy rapidly enters molten steel, it is to avoid alloy is aoxidized in molten steel by slag in the form feeding steel of heart yearn；It is another
Aspect, it is low by the molten steel oxidation of deoxidation treatment after stove, it is possible to reduce the scaling loss of titanium, so as to improve and stablize titanium in steel
The rate of recovery.
The application for a patent for invention of applicant's application（Application number：201510160282.6, applying date 2015.04.07）It is open
A kind of titanium silicon nitride core-spun yarn, including sandwich layer and the sheetmetal layer that is wrapped in outside the sandwich layer, the sandwich layer is titanium silicon nitride
Alloy-layer, is provided with the mesh-supported layer that steel or iron are made between the sandwich layer and sheetmetal layer, the titanium silicon nitride alloy-layer is by grain
Footpath constitutes for the titanium silicon nitride alloying pellet of below 3mm.Carbon or nitrogen in the Ti of the invention and steel form size for nano level
Compound, they are best to the thinning effect organized, and improve the intensity of ferrous materials, and nitrogen pick-up improves the stability of TiN particles, more
Effectively prevent Austenite Grain Growth.Cheap nitrogen is made full use of, in the case where certain strength level is ensured, titanium can be saved
Addition, further reduce non-hardened and tempered steel cost.
The content of the invention
Contain rare earth, calcium, barium, molybdenum titanium titanium silicon nitride alloy claded wire high it is an object of the invention to provide one kind, by using
The method of core-spun yarn can not only solve the problems, such as that the rate of recovery is low to be added in micro alloyed steel, and can also save ferrosilicon,
The usage amount of ferromanganese, develops titanium silicon nitride and its core-spun yarn Alloyapplication, with significant economic benefit.
In order to realize above-mentioned purpose, present invention employs following technical scheme：
One kind contains rare earth, calcium, barium, molybdenum titanium titanium silicon nitride alloy claded wire high, and the core-spun yarn includes sandwich layer and is wrapped in the core
The outside sheetmetal layer of layer, the sandwich layer be particle diameter be below 3mm containing rare earth, calcium, barium, molybdenum titanium titanium silicon nitride alloy powder high,
The mesh-supported layer that steel or iron are made is provided between the sandwich layer and sheetmetal layer, is closed containing rare earth, calcium, barium, molybdenum titanium titanium silicon nitride high
Bronze end is made up of following elemental constituent by mass percentage：
Al 1.0 ~ 2.5%,
N 5 ~ 15%,
Mn 2.5 ~ 5.0%,
Mg 1.0 ~ 2.5%,
Ti 40 ~ 50%,
Si 25 ~ 35%,
Ca 5 ~ 10%,
Mo 0.5 ~ 1.0%,
Ba 0.5 ~ 1.0%,
Rare earth element 1.0 ~ 2.0%,
P≤0.1%,
S ≤0.1%；
Fe surpluses.
Preferably, containing rare earth, calcium, barium, molybdenum titanium titanium silicon nitride alloy powder high by mass percentage by following element
Component is constituted：
Al 1.5 ~ 2.0%,
N 8 ~ 12%,
Mn 3.0 ~ 4.0%,
Mg 1.5 ~ 2.0%,
Ti 42 ~ 48%,
Si 28 ~ 32%,
Ca 6 ~ 8%,
Mo 0.5 ~ 1.0%,
Ba 0.5 ~ 1.0%,
Rare earth element 1.0 ~ 2.0%,
P≤0.1%,
S ≤0.1%；
Fe surpluses.
It is 0.1 ~ 2.0mm as the granularity preferably containing rare earth, calcium, barium, molybdenum titanium titanium silicon nitride alloy powder high.
The present invention chooses sponge iron and titanium sponge and ferrosilicon and ferromanganese is smelted in a vacuum furnace.In certain process conditions
Under, nitrogenized, nitridation is reached optimum efficiency（Regulation content）, then pour into ingot casting.Ingot casting is pure into certain particle size through breaking,
A diameter of 13 millimeters of core-spun yarn is overmolding to using iron sheet.This kind of core-spun yarn is inserted into steel in the refining later stage with certain payingoff speed
In liquid, Ti contents averagely reach the recovery rate average 60% of average 55%, the Si of the rate of recovery of 0.008%, Ti in final steel.
Using the present invention containing rare earth, calcium, barium, molybdenum titanium titanium silicon nitride alloyed powder high core-spun yarn be steel produce in it is new
Composite core-spun yarn, adds from the later stage is refined, and can improve the recovery rate of nitrogen in steel titanium silicon, reduces other ferroalloy consumptions, has
Significant economic benefit.Its reason is that carbon or nitrogen in Ti and steel form size for nano level compound, and they are to crystal grain
Grow up strong inhibition, and volume fraction shared by this nano level compound is when being 2%, the refinement to organizing
Effect is best.Ca improves the form of field trash and the clarity of distribution cleaning molten steel, improves the quality of steel, can improve molten steel
The quality of mobile performance and steel.Ba is active element, it is possible to decrease inclusion content in melting steel content, increased the flowing of molten steel, makes steel
Water is more uniform.Compound use Ca, Ba deoxidation, its product can form polynary mutual solution, reduce the activity and fusing point of deoxidation products.
Ba can play a part of to promote Ca, be conducive to deoxidation to carry out, and make molten steel purifying effect more preferably, be conducive to steel inclusion to assemble
Float.Compound use Ca, Ba deoxidation, product is the composite oxides of low melting point, is conducive to steel inclusion to assemble and floats.
And the activity and fusing point of deoxidation products can be reduced, is conducive to deoxidation to carry out, make molten steel purifying effect more preferable..Rare earth element is
Refer to that period of element atom ordinal number is 15 lanthanide series of 57-71.These elements are all metals, but their oxide is very
As " soil ", so traditionally claiming rare earth.Rare earth is added in steel, thus it is possible to vary the composition of steel inclusion, form, distribution and property
Matter, so as to improve the various performances of steel, such as toughness, weldability, cold-forming property.
Alloyed powder of the present invention is added in micro alloyed steel by the method using core-spun yarn, with it is following the characteristics of：
1) austenite crystal grows up when preventing soaking：The micro alloyed steels such as Ti are heated during with soaking before forging or rolling, not molten
The migration of the microalloy carbonitride Pinning austenite grain boundary of solution, prevents its crystal grain from growing up, thus makes micro alloyed steel in pressure
Just possesses less austenite crystal before power processing, for further fining ferrite grains provide favourable condition.
2) austenite recrystallization is prevented during ausforming：During ausforming, analysed by strain inducing
Crystal grain is grown up after the carbonitride precipitates of the Ti for going out can suppress deformed austeaite recrystallization and recrystallization, plays crystal grain thinning
Effect.Because the carbonitride particle preferential precipitation of the microalloy element of strain induced precipitate is in austenite crystal in hot procedure
On boundary, sub boundary and dislocation line, so as to the motion of effective prevention crystal boundary, sub boundary and dislocation, its effect can not only be prevented
The beginning of recrystallization process, and the carrying out of recrystallization process can also be suppressed.
3) precipitation enhancement after ferrite transformation：After ausforming, will there is ferrite transformation, at this moment will there is big
The disperse microalloy carbonitride particle of amount is separated out, and these particles for separating out equally also play pinning effect to ferrite crystal grain, limit
It is made to grow up.On the other hand, these particles also play precipitation enhancement, improve the intensity of ferrous materials.
4）The size and its volume fraction of microalloy Carbonitride Precipitation particle play a decisive role to ferrite grain size,
Precipitation particles is smaller, and volume fraction is bigger, and the ferrite crystal grain for being obtained is also just smaller.Thus, effort has precipitation particles
Larger volume fraction and less size is the big target in grain refinement process, while being also the direction of invention.Adding
While entering these rare elements, while nitrogen pick-up, because changing Ti after nitrogen pick-up in alternate distribution, promotes Ti (C, N
) separate out, the particle size of precipitated phase is obviously reduced, so as to enhance the precipitation enhancement of titanium, increase substantially steel
Intensity.Nitrogen is separated out by promoting Ti (C, N), and effectively pinning austenite-ferrite grain boundaries, have refined ferrite brilliant
Grain.Nitrogen pick-up may additionally facilitate the formation of Intragranular Acicular Ferrite, further refine ferritic structure.To Trace Titanium Treatment non-hardened and tempered steel,
Nitrogen pick-up improves the stability of TiN particles, more effectively prevents Austenite Grain Growth.Cheap nitrogen is made full use of,
Ensure under certain strength level, the addition of vanadium can be saved, further reduce the cost of non-hardened and tempered steel.
Specific embodiment
Embodiment 1
One kind contains rare earth, calcium, barium, molybdenum titanium titanium silicon nitride alloy claded wire high, and the core-spun yarn includes sandwich layer and is wrapped in the core
The outside sheetmetal layer of layer, the sandwich layer be particle diameter be below 3mm containing rare earth, calcium, barium, molybdenum titanium titanium silicon nitride alloy powder high,
The mesh-supported layer that steel or iron are made is provided between the sandwich layer and sheetmetal layer, is closed containing rare earth, calcium, barium, molybdenum titanium titanium silicon nitride high
Bronze end is made up of following elemental constituent by mass percentage：
Al 2.0%,
N 10%,
Mn 4.0%,
Mg 2.0%,
Ti 40%,
Si 30%,
Ca 5%,
Mo 1.0%,
Ba 1.0%,
Rare earth element 1.0%,
P ≤0.1%
S ≤0.1%；
Fe surpluses.
The present invention chooses each raw material and smelts in a vacuum furnace.Under certain process conditions, nitrogenized, reach nitridation
Optimum efficiency（Regulation content）, then pour into ingot casting.Ingot casting, into certain particle size, a diameter of 13 is overmolding to using iron sheet through broken essence
The core-spun yarn of millimeter.This kind of core-spun yarn is inserted into molten steel in the refining later stage with certain payingoff speed, and Ti contents are put down in final steel
Reach the recovery rate average 60% of average 55%, the Si of the rate of recovery of 0.008%, Ti.
Embodiment 2
One kind contains rare earth, calcium, barium, molybdenum titanium titanium silicon nitride alloy claded wire high, and the core-spun yarn includes sandwich layer and is wrapped in the core
The outside sheetmetal layer of layer, the sandwich layer be particle diameter be below 3mm containing rare earth, calcium, barium, molybdenum titanium titanium silicon nitride alloy powder high,
The mesh-supported layer that steel or iron are made is provided between the sandwich layer and sheetmetal layer, is closed containing rare earth, calcium, barium, molybdenum titanium titanium silicon nitride high
Bronze end is made up of following elemental constituent by mass percentage：
Al 1.0%,
N 10%,
Mn 4.0%,
Mg 1.0%,
Ti 50%,
Si 25%,
Ca 5%,
Mo 1.0%,
Ba 1.0%,
Rare earth element 1.0%,
P≤0.1%,
S ≤0.1%；
Fe surpluses.
The present invention chooses each raw material and smelts in a vacuum furnace.Under certain process conditions, nitrogenized, reach nitridation
Optimum efficiency（Regulation content）, then pour into ingot casting.Ingot casting, into certain particle size, a diameter of 13 is overmolding to using iron sheet through broken essence
The core-spun yarn of millimeter.This kind of core-spun yarn is inserted into molten steel in the refining later stage with certain payingoff speed, and Ti contents are put down in final steel
Reach the recovery rate average 60% of average 55%, the Si of the rate of recovery of 0.008%, Ti.
Embodiment 3
One kind contains rare earth, calcium, barium, molybdenum titanium titanium silicon nitride alloy claded wire high, and the core-spun yarn includes sandwich layer and is wrapped in the core
The outside sheetmetal layer of layer, the sandwich layer be particle diameter be below 3mm containing rare earth, calcium, barium, molybdenum titanium titanium silicon nitride alloy powder high,
The mesh-supported layer that steel or iron are made is provided between the sandwich layer and sheetmetal layer, is closed containing rare earth, calcium, barium, molybdenum titanium titanium silicon nitride high
Bronze end is made up of following elemental constituent by mass percentage：
Al 2.5%,
N 5%,
Mn 2.5%,
Mg 2.0%,
Ti 45%,
Si 25%,
Ca 10%,
Mo 1.0%,
Ba 1.0%,
Rare earth element 1.0%,
P≤0.1%,
S ≤0.1%；
Fe surpluses.
The present invention chooses each raw material and smelts in a vacuum furnace.Under certain process conditions, nitrogenized, reach nitridation
Optimum efficiency（Regulation content）, then pour into ingot casting.Ingot casting, into certain particle size, a diameter of 13 is overmolding to using iron sheet through broken essence
The core-spun yarn of millimeter.This kind of core-spun yarn is inserted into molten steel in the refining later stage with certain payingoff speed, and Ti contents are put down in final steel
Reach the recovery rate average 60% of average 55%, the Si of the rate of recovery of 0.008%, Ti.
Claims (3)
1. it is a kind of to contain rare earth, calcium, barium, molybdenum titanium titanium silicon nitride alloy claded wire high, it is characterised in that the core-spun yarn include sandwich layer and
It is wrapped in the sheetmetal layer outside the sandwich layer, the sandwich layer is that particle diameter is below 3mm containing rare earth, calcium, barium, molybdenum titanium titanium nitride high
Silicon alloy powder, is provided with the mesh-supported layer that steel or iron are made, containing rare earth, calcium, barium, molybdenum titanium high between the sandwich layer and sheetmetal layer
Titanium silicon nitride alloy powder is made up of following elemental constituent by mass percentage：
Al 1.0 ~ 2.5%,
N 5 ~ 15%,
Mn 2.5 ~ 5.0%,
Mg 1.0 ~ 2.5%,
Ti 40 ~ 50%,
Si 25 ~ 35%,
Ca 5 ~ 10%,
Mo 0.5 ~ 1.0%,
Ba 0.5 ~ 1.0%,
Rare earth element 1.0 ~ 2.0%,
P≤0.1%,
S ≤0.1%；
Fe surpluses.
2. according to claim 1 a kind of containing rare earth, calcium, barium, molybdenum titanium titanium silicon nitride alloy claded wire high, it is characterised in that
It is made up of following elemental constituent by mass percentage containing rare earth, calcium, barium, molybdenum titanium titanium silicon nitride alloy powder high：
Al 1.5 ~ 2.0%,
N 8 ~ 12%,
Mn 3.0 ~ 4.0%,
Mg 1.5 ~ 2.0%,
Ti 42 ~ 48%,
Si 28 ~ 32%,
Ca 6 ~ 8%,
Mo 0.5 ~ 1.0%,
Ba 0.5 ~ 1.0%,
Rare earth element 1.0 ~ 2.0%,
P≤0.1%,
S ≤0.1%；
Fe surpluses.
3. according to claim 1 and 2 a kind of containing rare earth, calcium, barium, molybdenum titanium titanium silicon nitride alloy claded wire high, its feature
It is that the granularity containing rare earth, calcium, barium, molybdenum titanium titanium silicon nitride alloy powder high is 0.1 ~ 2.0mm.
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