CN106498234B - A kind of continuously extruded die cavity plug material of combined type and preparation method thereof - Google Patents
A kind of continuously extruded die cavity plug material of combined type and preparation method thereof Download PDFInfo
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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- C22C19/00—Alloys based on nickel or cobalt
- C22C19/03—Alloys based on nickel or cobalt based on nickel
- C22C19/05—Alloys based on nickel or cobalt based on nickel with chromium
- C22C19/051—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W
- C22C19/056—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W with the maximum Cr content being at least 10% but less than 20%
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/10—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of nickel or cobalt or alloys based thereon
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Abstract
The invention provides continuously extruded die cavity plug material of a kind of combined type and preparation method thereof, the chemical composition weight/mass percentage composition of material is：C：0.02~0.045%, Si≤0.3%, Mn≤0.3%, P≤0.01%, S≤0.001%, Cr：18~20%, Mo：2~4%, Al：0.5%~1.0%, Ti：1.0~1.5%, Nb：4~6%, Fe：18~20%, Co≤0.2%, B：0.003~0.01%, RE≤0.1%, remaining is nickel and inevitable impurity；The RE refers to rare-earth element cerium Ce, lanthanum La and yttrium Y, and ensures Ce+La+Y≤0.1%.Preparation method be by alloy slab after homogenization through rolling alloy hot rolled, in heating furnace handle after obtain alloy finished product sheet material.A process for preparing finished product can reduce plug because scrapping replacement frequency while, by a relatively large margin lifting continuous extrusion production yield, there is significant economic benefit and social benefit.
Description
Technical field
The invention belongs to technical field of metal material, and in particular to a kind of continuously extruded die cavity plug material of combined type and its
Preparation method.
Background technology
It is continuously extruded to belong to a kind of short flow, efficiency high, flexible and changeable metal material processing technology, produced for special section bar
Product provide a kind of extraordinary means of production.Answered with the nonferrous metal and alloys such as copper, aluminium, magnesium, non-ferrous metal and non-ferrous metal
It is representative to close material, non-ferrous metal and ferrous metal composite wood etc., includes the product of the diversified forms such as wire rod, tubing, sheet material
Produced by continuously extruded producing line, product is widely used in refrigeration industry, television transmission, communications cable and electric railway etc.
Field（Song Baoyun, Fan Zhixin, continual extruding technology is in the development and application in China, Chinese copper processing techniques and application forum,
2007）.
Continuous extrusion production is substantially that blank is entered in the case where the extruding wheel of rotation drives by extruding the die cavity of wheel side
The process of extrusion chamber, in the presence of race frictional force, after blank temperature and pressure rise to certain value, from the nib of die cavity
Extrusion, form product forms.This feature determines that die cavity turns into the production part of most rapid wear, is especially directed by high temperature gold
The plug of category impact most easily deforms or ftractureed.The continuously extruded die cavity of tradition is a complete part, by sealing surface, is blocked up
The part such as head, charging aperture, blank flow channel is formed, once plug fails, then whole die cavity will be terminated and is on active service, therefore such as
What improves die cavity service life, is a technical barrier for the cost control to continuous extrusion production improves with productivity ratio.
Chinese patent CN1943893 discloses a kind of cavity of combined continuous extruder（That is die cavity）Design, by backgauge
Block（That is plug）Inlayed as individual part on die cavity so that plug material can select different from cavity and can bear compared with
The material of big load, but have no and refer to using which kind of material as plug material.Document is pointed out（Song Baoyun, Fan Zhixin are old
Jasmine；Continual extruding technology is in the development and application in China, Copper fabrication, the 2nd phase in 2010）, exploitation tool and mould new material is continuous
One of important development direction of extrusion technique, and for combined type die cavity exploitation high-performance plug material, die cavity will certainly be improved
Service life, efficiency is improved to continuous extrusion production, cost is reduced and plays positive role.
The content of the invention
In order to solve the above technical problems, the present invention provides a kind of continuously extruded die cavity plug material of combined type and its preparation side
Method, the sheet alloy prepared in this way have higher hardness, and in room temperature and high temperature（750℃）It is lower to have preferably by force
Degree, the manufacture applied to a kind of continuously extruded die cavity plug of combined type have advantage.
The technical scheme is that：A kind of continuously extruded die cavity plug material of combined type, a kind of combined type are continuously extruded
The chemical composition weight/mass percentage composition of die cavity plug material is：C：0.02~0.045%, Si≤0.3%, Mn≤0.3%, P≤
0.01%, S≤0.001%, Cr：18~20%, Mo：2~4%, Al：0.5%~1.0%, Ti：1.0~1.5%, Nb：4~6%, Fe：18
~20%, Co≤0.2%, B：0.003~0.01%, RE≤0.1%, remaining is nickel and inevitable impurity；The RE refers to rare earth
Elemental cerium Ce, lanthanum La and yttrium Y, and ensure Ce+La+Y≤0.1%.
Final alloy sheet material even tissue of the present invention, hardness number are HRC45~HRC50；Tensile strength is at room temperature
1266~1300MPa, yield strength are 1085~1090MPa；Tensile strength at 750 DEG C is 870~890MPa, yield strength
For 730~750MPa.
Another object of the present invention is to provide a kind of preparation method of the continuously extruded die cavity plug material of combinations thereof formula,
The preparation method comprises the steps of：
1）Refining obtains alloy slab；It is small that alloy slab is heated to 1160~1180 DEG C of progress 30~40 in heating furnace
When Homogenization Treatments, then cool to room temperature with the furnace, the alloy slab homogenized；
2）By the alloy slab of homogenization be transferred to it is another have warmed up into 1000~1050 DEG C of heating furnace, treat that furnace temperature is steady
1~2 hour is incubated after fixed, obtains hot alloy slab；
3）Hot alloy sheets base is taken out, treats that temperature to 900~1000 DEG C, is then fed into double roller reversible hot-rolling in atmosphere
Machine carries out the reciprocal rolling of 5~7 passages, and total reduction control is 50~70%, and finishing temperature control is at 800~850 DEG C, most
Room temperature is cooled in 20~25 DEG C of clear water afterwards, is obtained alloy hot rolled；
4）A heating furnace inside holding 8~10 hours for being warming up to 700~750 DEG C is placed in by alloy hot rolled, then with 0.5
~1 DEG C/min cooling velocity is cooled to 600~650 DEG C, is incubated 8~10 hours again, is placed in natural cooling in air afterwards
To room temperature, alloy finished product sheet material is obtained.
Step 1 of the present invention）First with 1.6~2.5 DEG C/min's in middle heating furnace Homogenization Treatments heating up process
Speed is warming up to 600 DEG C, is incubated 30min, then is warming up to 1160~1180 DEG C with 5 DEG C/min programming rate, insulation 30~40
Hour.
Step 3 of the present invention）In treat that warm process is carried out on the roller-way of double roller reversible hot rolling mill, and by portable
Temperature-measuring gun measures real time temperature；Finishing temperature measures also through portable temperature-measuring gun.
Step 4 of the present invention）Middle heating furnace is pre-set to 700~750 DEG C, to temperature after directly put alloy hot rolled
Enter in heating furnace, start the soaking time of timing 8~10 hours after 15~20min of samming；Pass through programmable furnace afterwards
Power, 600~650 DEG C are cooled to 0.5~1 DEG C/min cooling velocity, again be incubated 8~10 hours, finally by sheet material from
Heating furnace takes out, and is placed in air and naturally cools to room temperature, obtains alloy finished product sheet material.
Step 1 of the present invention）、2）、4）In heating furnace be silicon-carbon bar type heating furnace.
Step 1 of the present invention）、2）、4）In heating furnace for silicon-carbon bar type can programme-control temperature rate with insulation
The heating furnace of time.
Step 1 of the present invention）Middle alloy slab preparation method is：By alloy material melting and cast in vaccum sensitive stove
In pig mold, ingot casting is then subjected to double refining with argon gas protection electroslag refining furnace, and solidify and obtain in water cooled copper mould
Alloy slab.
It is using beneficial effect caused by above-mentioned technical proposal：The final alloy sheet material tissue that the present invention obtains is equal
Even, hardness number is HRC45~HRC50；Tensile strength is 1266~1300MPa at room temperature, yield strength is 1085~
1090MPa；Tensile strength at 750 DEG C is 870~890MPa, and yield strength is 730~750MPa.The present invention is by rational
Composition design, temperature-controlled rolling and rear aging strengthening model is rolled, the alloy material with higher-strength and hardness is obtained, as one kind
The continuously extruded die cavity plug material of combined type, meet the working condition requirement of continuous extrusion production.
Brief description of the drawings
Fig. 1 is the metallographic structure figure of alloy finished product sheet material prepared by the embodiment of the present invention 1；
Fig. 2 is the metallographic structure figure of alloy finished product sheet material prepared by the embodiment of the present invention 2；
Fig. 3 is the metallographic structure figure of alloy finished product sheet material prepared by the embodiment of the present invention 3；
Fig. 4 is the metallographic structure figure of alloy finished product sheet material prepared by the embodiment of the present invention 4；
Fig. 5 is the metallographic structure figure of alloy finished product sheet material prepared by the embodiment of the present invention 5；
Fig. 6 is firmness level's block diagram of finished product sheet material prepared by the embodiment of the present invention；
Fig. 7 is tensile strength block diagram of the finished product sheet material of preparation of the embodiment of the present invention under room temperature and 750 DEG C of environment；
Fig. 8 is yield strength block diagram of the finished product sheet material of preparation of the embodiment of the present invention under room temperature and 750 DEG C of environment.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment the present invention will be described in detail.
The slab composition of each secondary embodiment is as shown in table 1.Embodiment 1-5 all operations are completed in identical equipment.
The embodiment 1-5 chemical compositions of table 1（wt%）
Remaining is inevitable impurity.
Embodiment 1
A kind of chemical composition of the continuously extruded die cavity plug material of combined type is shown in Table 1, and its preparation method is as follows：
1）By alloy material melting and cast in vaccum sensitive stove in pig mold, then protect electroslag refining furnace with argon gas
Ingot casting is subjected to double refining, and alloy slab is obtained with solidification in water cooled copper mould；It is long 150mm, wide 120mm, thickness by specification
120mm alloy slab is placed in silicon-carbon bar type heating furnace with 2.5 DEG C/min heating rate to 600 DEG C of insulation 30min,
1160 DEG C of insulations are heated to 5 DEG C/min heating rate again, the Homogenization Treatments of 40 hours is carried out, then cools to room with the furnace
Temperature, the alloy slab homogenized；
2）The alloy slab of homogenization is transferred into another have warmed up can program controlled heater to 1050 DEG C of silicon-carbon bar type
In stove, 2 hours are incubated after furnace temperature is stable, obtains hot alloy slab；
3）Hot alloy sheets base is taken out, treats temperature in atmosphere to 900 DEG C, is then fed into the progress of double roller reversible hot rolling mill
The reciprocal rolling of 7 passages, percentage pass reduction are followed successively by 4.17%, 8.7%, 9.52%, 10.52%, 11.76%, 13.33%, 7.7%,
Total reduction 50%, finishing temperature control are finally cooled to room temperature in 25 DEG C of clear water at 850 DEG C, obtained alloy hot rolled；
4）Air-dry surface after, by it is alloy hot rolled be placed in a silicon-carbon bar type for being warming up to 750 DEG C can programmable furnace
Interior, timing insulation 8 hours, are then cooled to 650 DEG C with 0.8 DEG C/min cooling velocity after samming 15min, and it is small to be incubated 8 again
When, it is placed in air naturally cools to room temperature afterwards, obtains alloy finished product sheet material.
Sheet alloy metallographic structure photo prepared by embodiment 1 is shown in Fig. 1, and firmness level sees Fig. 6, room temperature tensile intensity with
750 DEG C of tensile strength are shown in Fig. 7, and room-temperature yield strength and 750 DEG C of yield strengths are shown in Fig. 8.Alloy material manufactured in the present embodiment is hard
Spend for HRC48.38, tensile strength is 1300MPa, yield strength 1090MPa at room temperature；750 DEG C of tensile strength are 890MPa,
Yield strength is 750MPa.It is on active service using plug prepared by embodiment 1 in certain continuously extruded factory of copper alloy wire to failure, production
About 350 tons of copper alloy wire.
Embodiment 2
A kind of chemical composition of the continuously extruded die cavity plug material of combined type is shown in Table 1, and its preparation method is as follows：
1）By alloy material melting and cast in vaccum sensitive stove in pig mold, then protect electroslag refining furnace with argon gas
Ingot casting is subjected to double refining, and alloy slab is obtained with solidification in water cooled copper mould；It is long 150mm, wide 120mm, thickness by specification
120mm alloy slab is placed in silicon-carbon bar type heating furnace with 2 DEG C/min heating rate to 600 DEG C of insulation 30min, then
1180 DEG C of insulations are heated to 5 DEG C/min heating rate, the Homogenization Treatments of 40 hours is carried out, then cools to room with the furnace
Temperature, the alloy slab homogenized；
2）The alloy slab of homogenization is transferred into another have warmed up can program controlled heater to 1020 DEG C of silicon-carbon bar type
In stove, 2 hours are incubated after furnace temperature is stable, obtains hot alloy slab；
3）Hot alloy sheets base is taken out, treats that temperature to 950 DEG C, is then fed into 550 double roller reversible hot rolling mills in atmosphere
Carry out the reciprocal rolling of 7 passages, percentage pass reduction is followed successively by 4.17%, 8.7%, 9.52%, 10.52%, 11.76%, 13.33%,
7.7%, total reduction 50%, finishing temperature control is finally cooled to room temperature at 830 DEG C in 25 DEG C of clear water, obtains alloy heat
Roll plate；
4）Air-dry surface after, by it is alloy hot rolled be placed in a silicon-carbon bar type for being warming up to 720 DEG C can programmable furnace
Interior, timing insulation 8 hours, are then cooled to 650 DEG C with 0.85 DEG C/min cooling velocity after samming 20min, and it is small to be incubated 8 again
When, it is placed in air naturally cools to room temperature afterwards, obtains alloy finished product sheet material.
Sheet alloy metallographic structure photo prepared by embodiment 2 is shown in Fig. 2, and firmness level sees Fig. 6, room temperature tensile intensity with
750 DEG C of tensile strength are shown in Fig. 7, and room-temperature yield strength and 750 DEG C of yield strengths are shown in Fig. 8.Alloy material manufactured in the present embodiment is hard
It is 1280MPa, yield strength 1088MPa to spend for HRC46, room temperature tensile intensity；750 DEG C of tensile strength are 870MPa, surrender
Intensity is 740MPa.It is on active service to failure, production copper and is closed in certain continuously extruded factory of copper alloy wire using plug prepared by embodiment 2
About 330 tons of gold thread material.
Embodiment 3
A kind of chemical composition of the continuously extruded die cavity plug material of combined type is shown in Table 1, and its preparation method is as follows：
1）By alloy material melting and cast in vaccum sensitive stove in pig mold, then protect electroslag refining furnace with argon gas
Ingot casting is subjected to double refining, and alloy slab is obtained with solidification in water cooled copper mould；It is long 150mm, wide 120mm, thickness by specification
120mm alloy slab is placed in silicon-carbon bar type heating furnace with 2.5 DEG C/min heating rate to 600 DEG C of insulation 30min,
1160 DEG C of insulations are heated to 5 DEG C/min heating rate again, the Homogenization Treatments of 40 hours is carried out, then cools to room with the furnace
Temperature, the alloy slab homogenized；
2）The alloy slab of homogenization is transferred into another have warmed up can program controlled heater to 1050 DEG C of silicon-carbon bar type
In stove, 2 hours are incubated after furnace temperature is stable, obtains hot alloy slab；
3）Hot alloy sheets base is taken out, treats that temperature to 1000 DEG C, is then fed into 550 double roller reversible hot rolling mills in atmosphere
Carry out the reciprocal rolling of 7 passages, percentage pass reduction is followed successively by 4.16%, 8.69%, 9.5%, 10.52%, 11.76%, 13.33%,
7.7%, total reduction 50%, finishing temperature control is finally cooled to room temperature at 800 DEG C in 25 DEG C of clear water, obtains alloy heat
Roll plate；
4）Air-dry surface after, by it is alloy hot rolled be placed in a silicon-carbon bar type for being warming up to 720 DEG C can programmable furnace
Interior, timing insulation 8 hours, are then cooled to 650 DEG C with 0.8 DEG C/min cooling velocity after samming 18min, and it is small to be incubated 8 again
When, it is placed in air naturally cools to room temperature afterwards, obtains alloy finished product sheet material.
Sheet alloy metallographic structure photo prepared by embodiment 3 is shown in Fig. 3, and hardness number level is shown in Fig. 6, room temperature tensile intensity with
750 DEG C of tensile strength are shown in Fig. 7, and room-temperature yield strength and 750 DEG C of yield strengths are shown in Fig. 8.Alloy material manufactured in the present embodiment is hard
It is 1266MPa, yield strength 1085MPa to spend for HRC45.98, room temperature tensile intensity；750 DEG C of tensile strength are 873MPa, are bent
It is 730MPa to take intensity.It is on active service using plug prepared by embodiment 3 in certain continuously extruded factory of copper alloy wire to failure, produces copper
About 320 tons of alloy wire.
Embodiment 4
A kind of chemical composition of the continuously extruded die cavity plug material of combined type is shown in Table 1, and its preparation method is as follows：
1）By alloy material melting and cast in vaccum sensitive stove in pig mold, then protect electroslag refining furnace with argon gas
Ingot casting is subjected to double refining, and alloy slab is obtained with solidification in water cooled copper mould；It is long 150mm, wide 120mm, thickness by specification
120mm alloy slab is placed in silicon-carbon bar type heating furnace with 1.6 DEG C/min heating rate to 600 DEG C of insulation 30min,
1170 DEG C of insulations are heated to 5 DEG C/min heating rate again, the Homogenization Treatments of 30 hours is carried out, then cools to room with the furnace
Temperature, the alloy slab homogenized；
2）The alloy slab of homogenization is transferred into another have warmed up can program controlled heater to 1000 DEG C of silicon-carbon bar type
In stove, 1.5 hours are incubated after furnace temperature is stable, obtains hot alloy slab；
3）Hot alloy sheets base is taken out, treats that temperature to 1000 DEG C, is then fed into 550 double roller reversible hot rolling mills in atmosphere
The reciprocal rolling of 5 passages is carried out, percentage pass reduction is followed successively by 16.66%, 25%, 26.66%, 27.27%, 10%, total reduction
70%, finishing temperature control is finally cooled to room temperature at 820 DEG C in 23 DEG C of clear water, obtains alloy hot rolled；
4）Air-dry surface after, by it is alloy hot rolled be placed in a silicon-carbon bar type for being warming up to 730 DEG C can programmable furnace
Interior, timing insulation 10 hours, are then cooled to 600 DEG C with 0.5 DEG C/min cooling velocity after samming 20min, and it is small to be incubated 9 again
When, it is placed in air naturally cools to room temperature afterwards, obtains alloy finished product sheet material.
Sheet alloy metallographic structure photo prepared by embodiment 4 is shown in Fig. 4, and hardness number level is shown in Fig. 6, room temperature tensile intensity with
750 DEG C of tensile strength are shown in Fig. 7, and room-temperature yield strength and 750 DEG C of yield strengths are shown in Fig. 8.Alloy material manufactured in the present embodiment is hard
It is 1272MPa, yield strength 1090MPa to spend for HRC45.42, room temperature tensile intensity；750 DEG C of tensile strength are 885MPa, are bent
It is 742MPa to take intensity.It is on active service using plug prepared by embodiment 4 in certain continuously extruded factory of copper alloy wire to failure, produces copper
About 325 tons of alloy wire.
Embodiment 5
A kind of chemical composition of the continuously extruded die cavity plug material of combined type is shown in Table 1, and its preparation method is as follows：
1）By alloy material melting and cast in vaccum sensitive stove in pig mold, then protect electroslag refining furnace with argon gas
Ingot casting is subjected to double refining, and alloy slab is obtained with solidification in water cooled copper mould；It is long 150mm, wide 120mm, thickness by specification
120mm alloy slab is placed in silicon-carbon bar type heating furnace with 2.2 DEG C/min heating rate to 600 DEG C of insulation 30min,
1165 DEG C of insulations are heated to 5 DEG C/min heating rate again, the Homogenization Treatments of 38 hours is carried out, then cools to room with the furnace
Temperature, the alloy slab homogenized；
2）The alloy slab of homogenization is transferred into another have warmed up can program controlled heater to 1025 DEG C of silicon-carbon bar type
In stove, 1 hour is incubated after furnace temperature is stable, obtains hot alloy slab；
3）Hot alloy sheets base is taken out, treats that temperature to 1000 DEG C, is then fed into 550 double roller reversible hot rolling mills in atmosphere
The reciprocal rolling of 6 passages is carried out, percentage pass reduction is followed successively by 12.5%, 14.28%, 20%, 16.66%, 8.3%, 9%, 4%, stagnation pressure
Lower rate 60%, finishing temperature control are finally cooled to room temperature in 20 DEG C of clear water at 825 DEG C, obtained alloy hot rolled；
4）Air-dry surface after, by it is alloy hot rolled be placed in a silicon-carbon bar type for being warming up to 700 DEG C can programmable furnace
Interior, timing insulation 9 hours, are then cooled to 650 DEG C with 1 DEG C/min cooling velocity after samming 15min, and it is small to be incubated 10 again
When, it is placed in air naturally cools to room temperature afterwards, obtains alloy finished product sheet material.
Sheet alloy metallographic structure photo prepared by embodiment 5 is shown in Fig. 5, and hardness number level is shown in Fig. 6, room temperature tensile intensity with
750 DEG C of tensile strength are shown in Fig. 7, and room-temperature yield strength and 750 DEG C of yield strengths are shown in Fig. 8.Alloy material manufactured in the present embodiment is hard
It is 1310MPa, yield strength 1089MPa to spend for HRC45.27, room temperature tensile intensity；750 DEG C of tensile strength are 890MPa, are bent
It is 748MPa to take intensity.It is on active service using plug prepared by embodiment 5 in certain continuously extruded factory of copper alloy wire to failure, produces copper
About 350 tons of alloy wire.
Claims (7)
- A kind of 1. preparation method of the continuously extruded die cavity plug material of combined type, it is characterised in that the continuously extruded die cavity of combined type Plug material chemical composition weight/mass percentage composition is：C：0.02~0.045%, Si≤0.3%, Mn≤0.3%, P≤0.01%, S≤ 0.001%, Cr：18~20%, Mo：2~4%, Al：0.5%~1.0%, Ti：1.0~1.5%, Nb：4~6%, Fe：18~20%, Co ≤ 0.2%, B：0.003~0.01%, RE≤0.1%, remaining is nickel and inevitable impurity；The RE refer to rare-earth element cerium Ce, Lanthanum La and yttrium Y, and ensure Ce+La+Y≤0.1%；The preparation method comprises the steps of：1）Refining obtains alloy slab, and alloy slab is heated into 1160~1180 DEG C in heating furnace is carried out 30~40 hours Homogenization Treatments, then cool to room temperature with the furnace, the alloy slab homogenized；2）By the alloy slab of homogenization be transferred to it is another have warmed up into 1000~1050 DEG C of heating furnace, after furnace temperature is stable Insulation 1~2 hour, obtains hot alloy slab；3）Hot alloy sheets base is taken out, treats that temperature to 900~1000 DEG C, is then fed into double roller reversible hot rolling mill and entered in atmosphere The reciprocal rolling of 5~7 passages of row, 50~70%, finishing temperature control finally exists at 800~850 DEG C for total reduction control Room temperature is cooled in 20~25 DEG C of clear water, is obtained alloy hot rolled；4）A heating furnace inside holding 8~10 hours for being warming up to 700~750 DEG C is placed in by alloy hot rolled, then with 0.5~1 DEG C/min cooling velocity is cooled to 600~650 DEG C, 8~10 hours are incubated again, is placed in air naturally cools to room afterwards Temperature, obtain alloy finished product sheet material.
- 2. the preparation method of the continuously extruded die cavity plug material of combined type according to claim 1, it is characterised in that described Step 1）600 DEG C first are warming up to 1.6~2.5 DEG C/min speed in middle heating furnace Homogenization Treatments heating up process, is protected Warm 30min, then 1160~1180 DEG C are warming up to 5 DEG C/min programming rate, it is incubated 30~40 hours.
- 3. the preparation method of the continuously extruded die cavity plug material of combined type according to claim 1, it is characterised in that described Step 3）In treat that warm process is carried out on the roller-way of double roller reversible hot rolling mill, and real-time temperature is measured by portable temperature-measuring gun Degree；Finishing temperature measures also through portable temperature-measuring gun.
- 4. preparation method according to claim 1, it is characterised in that the step 4）Middle heating furnace is pre-set to 700 ~750 DEG C, to temperature after be directly put into alloy hot rolled in heating furnace, start timing 8~10 hours after 15~20min of samming Soaking time；Afterwards by programmable furnace power, 600~650 DEG C are cooled to 0.5~1 DEG C/min cooling velocity, Again be incubated 8~10 hours, finally by sheet material from heating furnace take out, be placed in air and naturally cool to room temperature, obtain alloy into Product sheet material.
- 5. the preparation method of the continuously extruded die cavity plug material of combined type according to claim 1-4 any one, it is special Sign is, the step 1）、2）、4）In heating furnace be silicon-carbon bar type heating furnace.
- 6. according to the preparation method described in claim 1-4 any one, it is characterised in that the step 1）、2）、4）In plus Hot stove be silicon-carbon bar type can programme-control temperature rate and soaking time heating furnace.
- 7. the preparation method of the continuously extruded die cavity plug material of combined type according to claim 1-4 any one, it is special Sign is, the step 1）Middle alloy slab preparation method is：By alloy material melting and cast iron is cast in vaccum sensitive stove In mould, then protect electroslag refining furnace that ingot casting is carried out into double refining with argon gas, and solidification obtains alloy sheets in water cooled copper mould Base.
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| CN104109780A (en) * | 2013-04-19 | 2014-10-22 | 宝钢特钢有限公司 | Nickel-based high-temperature alloy and manufacturing method thereof |
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| CN101142338A (en) * | 2005-08-24 | 2008-03-12 | Ati资产公司 | Nickel alloy and method of direct aging heat treatment |
| CN101307402A (en) * | 2008-07-04 | 2008-11-19 | 北京科技大学 | Superfine crystal nickel-based high-temperature alloy and method for preparing same |
| CN104109780A (en) * | 2013-04-19 | 2014-10-22 | 宝钢特钢有限公司 | Nickel-based high-temperature alloy and manufacturing method thereof |
| CN103422038A (en) * | 2013-09-04 | 2013-12-04 | 上海康晟特种合金有限公司 | Method for heat treatment of lining die sleeve of high-temperature copper alloy extruding machine |
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