CN105734221A - Multi-temperature zone multi-cooling rate heat treatment device and multi-temperature zone multi-cooling rate heat treatment method - Google Patents
Multi-temperature zone multi-cooling rate heat treatment device and multi-temperature zone multi-cooling rate heat treatment method Download PDFInfo
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- CN105734221A CN105734221A CN201610275231.2A CN201610275231A CN105734221A CN 105734221 A CN105734221 A CN 105734221A CN 201610275231 A CN201610275231 A CN 201610275231A CN 105734221 A CN105734221 A CN 105734221A
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/34—Methods of heating
- C21D1/42—Induction heating
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/62—Quenching devices
- C21D1/63—Quenching devices for bath quenching
- C21D1/64—Quenching devices for bath quenching with circulating liquids
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D11/00—Process control or regulation for heat treatments
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D11/00—Process control or regulation for heat treatments
- C21D11/005—Process control or regulation for heat treatments for cooling
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0062—Heat-treating apparatus with a cooling or quenching zone
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Crystallography & Structural Chemistry (AREA)
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- Organic Chemistry (AREA)
- Control Of Heat Treatment Processes (AREA)
Abstract
The invention discloses a multi-temperature zone multi-cooling rate heat treatment device and a multi-temperature zone multi-cooling rate heat treatment method. The device comprises a lifting furnace body and the like, wherein the top end of one sample is fixedly arranged on the bottom end of a lifting rod, both a medium frequency induction power supply control cabinet and a temperature data acquisition unit are connected with the furnace body, the sample is arranged in the furnace body, a motor is connected with the lifting rod, a special-shaped induction coil is arranged outside the sample and inside the furnace body, a cooling tank is arranged under the furnace body, and the cooling tank is connected with a circulating water connector; the special-shaped induction coil produces eddy current in the furnace body for heating the sample. The multi-temperature zone multi-cooling rate heat treatment device and the multi-temperature zone multi-cooling rate heat treatment method can simplify operational procedure and can realize whole-course automation and precision control, and an optimal treatment scheme can be rapidly screened out.
Description
Technical field
The present invention relates to a kind of process device and method, particularly relate to a kind of many warm area many cooling rates annealing devices and method.
Background technology
Owing in practice process, requirement for material property improves constantly, so needing material is further processed, Technology for Heating Processing is to use most commonly used means.So-called heat treatment refers to and material carries out further heating and cooling process, increases the performance of metal material or workpiece, such as durability, wearability, fatigue durability, corrosion resistance and thermostability etc..Technology for Heating Processing being most widely used in ferrous materials and nonferrous materials, heats material, cools down, and the variations in temperature, the thermal cycle that namely " make metal material redden and then so as to cool down " are important processes.Heat treatment includes the techniques such as quenching, tempering, annealing, Ageing Treatment, Surface hardening treatment, and after different process processes, generation is changed by the performance of material.
Technology for Heating Processing has very long history in the utilization improving the field such as metal structure and performance, but often it is required for complicated operating process, need first it to be heated in heat-treatment furnace, be incubated, then operator are needed to be drawn off being for further processing, such as air cooling, quenching etc., often single process can only process the sample under a certain condition, so, for filtering out optimal processing scheme, generally require the cost plenty of time.
Summary of the invention
The technical problem to be solved is to provide a kind of many warm area many cooling rates annealing devices and method, and it can simplify procedures, it is achieved whole-course automation, precision control, and rapid screening goes out optimal processing scheme.
The present invention solves above-mentioned technical problem by following technical proposals: a kind of many warm area many cooling rates annealing devices, it is characterized in that, it includes lifting body of heater, thermocouple, medium frequency induction power supply switch board, temperature data acquisition device, elevating lever, motor, abnormity induction coil, cooling bay, recirculated water interface, the top of one sample is fixed on the bottom of elevating lever, medium frequency induction power supply switch board, temperature data acquisition device is all connected with body of heater, sample is placed in body of heater, motor is connected with elevating lever, abnormity induction coil is positioned at outside sample and is positioned within body of heater, cooling bay is positioned at the underface of body of heater, cooling bay connects recirculated water interface；Abnormity induction coil is inducted eddy heating for heating sample in body of heater, so that forming stable thermograde or uniform temperature in sample；Sample is in body of heater inside holding predetermined time, then each position of sample is made to lower the temperature with different rates or phase same rate, reach same sample different parts and obtain different temperatures or the heat treated effect of different cooling rate, each position of sample is organized and performance detection, rapid screening metal heating processing technology.
Preferably, described abnormity induction coil utilizes copper pipe density and the number of plies change of himself different parts so that it is have the induced field of gradient to be heated when being electrified stream, so that sample interior produces default thermograde or uniform temperature.
Preferably, described abnormity induction coil makes each spot temperature uniformity of sample.
Preferably, the lifting of described elevating lever makes to carry out outside the fully extended stove of sample air cooling and rapid decrease elevating lever, makes sample be fully or partially immersed in quenching liquid, carries out quenching or varying strength cooling；Medium frequency induction power supply switch board controls heating power；Body of heater is sample, abnormity induction coil provides the working environment being incubated；In order to more accurately observe temperature intuitively, in body of heater, thermocouple is arranged at each position, and shown and data acquisition by temperature data acquisition device, sample is by being fixed on elevating lever and regulating its position by motor, cooling bay is for needing the heat treatment link of the sample of quenching, simultaneously, it is prevented that occur that long-time repeated hardening liquid temp is too high, quenching liquid is circulated water-cooled but by recirculated water interface.
Preferably, outside described body of heater, it is filled with insulating brick, and is filled with ceramic fibre asbestos at the gap location of body of heater and is incubated.
The present invention also provides for a kind of many warm area many cooling rates heat treatment methods, it is characterised in that described many warm area many cooling rates heat treatment methods comprise the steps of
S1, being fixed on elevating lever by sample, set lift pin locations, each is interval in stove to make sample distribution；
S2, adjustment current parameters reach change magnetic induction, the final effect changing temperature, and the purpose being incubated at this temperature；
The insulation of S3, sample reduces lift pin locations, makes sample stretch out outside stove, carry out air cooling after terminating；Or, after sample insulation terminates, not moving lifting bar position, make sample be in stove, carry out furnace cooling.
Preferably, described many warm area many cooling rates heat treatment method rapid decrease elevating levers, make sample be completely immersed in quenching liquid, quench.
Preferably, described many warm area many cooling rates heat treatment methods reduce stove bar position, make sample part immerse stove bar, reach the effect of different intensity of cooling.
Preferably, described many warm area many cooling rates heat treatment methods adjust current parameters.
Preferably, described many warm area many cooling rates heat treatment methods make sample distribution each interval in body of heater.
The actively progressive effect of the present invention is in that: the present invention can simplify procedures, it is achieved whole-course automation, precision control, and rapid screening goes out optimal processing scheme, and cost is low.
Accompanying drawing explanation
Fig. 1 is the basic principle schematic of the present invention.
Detailed description of the invention
Present pre-ferred embodiments is provided, to describe technical scheme in detail below in conjunction with accompanying drawing.
As shown in Figure 1, the present invention many warm areas many cooling rates annealing device includes body of heater 1, thermocouple 2, medium frequency induction power supply switch board 3, temperature data acquisition device 4, elevating lever 5, motor 6, abnormity induction coil 8, cooling bay 9, recirculated water interface 10, the top of one sample 7 is fixed on the bottom of elevating lever 5, medium frequency induction power supply switch board 3, temperature data acquisition device 4 is all connected with body of heater 1, sample 7 is placed in body of heater 1, motor 6 is connected with elevating lever 5, abnormity induction coil 8 is positioned at outside sample 7 and is positioned within body of heater 1, cooling bay 9 is positioned at the underface of body of heater 1, cooling bay 9 connects recirculated water interface 10；Abnormity induction coil is inducted eddy heating for heating sample in body of heater, so that forming stable thermograde or uniform temperature in sample；Sample is in body of heater inside holding predetermined time, then each position of sample is made to lower the temperature with different rates or phase same rate, reach same sample different parts and obtain different temperatures or the heat treated effect of different cooling rate, each position of sample is organized and performance detection, rapid screening metal heating processing technology.
Abnormity induction coil has copper pipe density and the number of plies change of different parts so that it is have the induced field of gradient when being electrified stream, thus eddy heating for heating sample of inducting in metal, makes to form stable thermograde or uniform temperature in metal sample.Described abnormity induction coil makes each spot temperature uniformity of sample.By changing the electric current of abnormity induction coil, thus changing magnetic induction and changing strength of vortex of inducting in metal sample, it is finally reached the effect changing heating and cooldown rate, and is incubated at a certain temperature.The lifting utilizing elevating lever makes to carry out outside the fully extended stove of sample air cooling and rapid decrease elevating lever, makes sample be fully or partially immersed in quenching liquid, carries out quenching or varying strength cooling；Medium frequency induction power supply switch board controls heating power；Body of heater is sample, abnormity induction coil provides the working environment being incubated；In order to more accurately observe temperature intuitively, in body of heater, thermocouple is arranged at each position, and shown and data acquisition by temperature data acquisition device, sample is by being fixed on elevating lever and regulating its position by motor, cooling bay is for needing the heat treatment link of the sample of quenching, simultaneously, it is prevented that occur that long-time repeated hardening liquid temp is too high, quenching liquid is circulated water-cooled but by recirculated water interface.
In order to improve the heat insulation effect of stove, outside body of heater, it is filled with insulating brick, and is filled with ceramic fibre asbestos at the gap location of body of heater and is incubated.In the design process, adopt insulating brick to interlock and suit design, to reduce heat radiation, increase heat insulation effect.
The present invention many warm areas many cooling rates heat-treating methods comprises the steps:
S1, being fixed on elevating lever by sample, set lift pin locations, each is interval in stove to make sample distribution；
S2, adjustment current parameters reach change magnetic induction, the final effect changing temperature, and the purpose being incubated at this temperature；
The insulation of S3, sample reduces lift pin locations, makes sample stretch out outside stove, carry out air cooling after terminating；Or, after sample insulation terminates, not moving lifting bar position, make sample be in stove, carry out furnace cooling.
After sample insulation terminates, not moving lifting bar position, make sample be in stove, carry out furnace cooling.After sample insulation terminates, rapid decrease elevating lever, make sample be completely immersed in quenching liquid, quench.Sample insulation reduces stove bar position after terminating, and makes sample part immerse stove bar, reaches the effect of different intensity of cooling.
Embodiment one: with CrMo Heat-Treatment of Steel scheme, this Apparatus for () and method therefor being described, detailed process is as follows:
(11) process sample preparation: blank material grinding machine is carried out surface finish, be that it goes out the rust on surface, reach smooth, smooth degree；Being positioned on sawing machine by the sample after polishing, cut two ends and leave and take the position of centre, leaving and taking length is 16.5cm；Sample after polishing, cutting is positioned on wire cutting machine work platforms, clamping, meanwhile, cutting process is set, prepares the bar that diameter is 2.1cm；Taking off sample, now sample size is Φ 2.1 × 16.5cm, is positioned on grinding machine by sample, carries out polishing and smooth sample, it is thus achieved that Φ 2 × 16cm；
(12) prepared by abnormity induction coil: texture of coil selects red copper tubing, is of a size of: wall thickness is 1mm, and external diameter is 10mm, length 25m；Copper pipe is curved, and making an annular diameters is the annulus of 20cm, and the annulus number of turn is 18 circles, divides in three regions, and the length 12cm in each region, the number of turn in each region is 9:3:6；
(13) prepared by body of heater: body of heater shell selects 304 rustless steels, thickness 1mm, is welded into the cylindrical shape of Φ 50 × 80cm；What furnace insulation was selected is superfine high-alumina brick, needs constantly to intersect layer by layer carrying out insulating brick filling, is closely fitted together to；After putting into abnormity induction coil, it is coated on inwall with fire clay, makes fire clay uniform, closely knit；
(14) prepared by quenching liquid: selects gallium 1000g, indium 800g, stannum 2000g, and is cut to bulk；By the gallium cut, indium, stannum, being positioned in big glass beaker, as in general heating furnace, with the rate of heat addition of 2k/s, heating, to 300 degree, is incubated 2h at this temperature, makes three kinds of metals fully merge；Take out, air cooling, observe under its room temperature in the preparation, if crystallization, if there being crystallization, the content of gallium can be increased in right amount, or reduce the content of stannum；
(15) operational approach: sample is fixed on elevating lever, and stretch in stove, sample is distributed in special-shaped coils three sections.Making each section of sample be heated to preset temperature is 920 DEG C, 870 DEG C, 820 DEG C, and is incubated 1h at this temperature.Close abnormity induction coil electric current, then quick lift sample, sample is leaked in air completely cruelly, carries out air cooling.After sample cooling, it is divided into 3 sections vertically, takes uniform temperature zone as detection sample, observing microstructure, detection mechanical property, analyzing the relation of microstructure and property, thus screening optimum process.
Embodiment two: with the heat-treatment protocol of FeMnAl system high-aluminum steel, this Apparatus for () and method therefor being described, detailed process is as follows:
(21) process sample preparation: blank material grinding machine is carried out surface finish, be that it goes out the rust on surface, reach smooth, smooth degree；Being positioned on sawing machine by the sample after polishing, cut two ends and leave and take the position of centre, leaving and taking length is 16.5cm；Sample after polishing, cutting is positioned on wire cutting machine work platforms, clamping, meanwhile, cutting process is set, prepares the bar that diameter is 2.1cm；Taking off sample, now sample size is Φ 2.1 × 16.5cm, is positioned on grinding machine by sample, carries out polishing and smooth sample, it is thus achieved that Φ 2 × 16cm；
(22) prepared by abnormity induction coil: texture of coil selects red copper tubing, is of a size of: wall thickness is 1mm, and external diameter is 10mm, length 25m；Copper pipe is curved, and making an annular diameters is the annulus of 20cm, and the annulus number of turn is 18 circles, divides in three regions, and the length 12cm in each region, the number of turn in each region is 9:3:6；
(23) prepared by body of heater: body of heater shell selects 304 rustless steels, thickness 1mm, is welded into the cylindrical shape of Φ 50 × 80cm；What furnace insulation was selected is superfine high-alumina brick, needs constantly to intersect layer by layer carrying out insulating brick filling, is closely fitted together to；After putting into abnormity induction coil, it is coated on inwall with fire clay, makes fire clay uniform, closely knit；
(24) prepared by quenching liquid: selects gallium 1000g, indium 800g, stannum 2000g, and is cut to bulk；By the gallium cut, indium, stannum, being positioned in big glass beaker, as in general heating furnace, with the rate of heat addition of 2k/s, heating, to 300 degree, is incubated 2h at this temperature, makes three kinds of metals fully merge；Take out, air cooling, observe under its room temperature in the preparation, if crystallization, if there being crystallization, the content of gallium can be increased in right amount, or reduce the content of stannum；
(25) operational approach: sample is fixed on elevating lever, and stretch in stove, sample is distributed in special-shaped coils three sections；Make each section of sample be heated to preset temperature 950 DEG C, 900 DEG C, 850 DEG C, and be incubated 30min at this temperature;Close abnormity induction coil electric current, furnace cooling.After sample cooling, it is divided into 3 sections vertically, takes uniform temperature zone as detection sample, observing microstructure, detection mechanical property, analyzing the relation of microstructure and property, thus screening optimum process.
Embodiment three: with CrMo Heat-Treatment of Steel scheme, this Apparatus for () and method therefor being described, detailed process is as follows: be fixed on elevating lever by sample, and stretches in stove, sample is distributed in special-shaped coils three sections；Making each section of sample be heated to preset temperature is 920 DEG C, 870 DEG C, 820 DEG C, and is incubated 1h at this temperature；Close abnormity induction coil electric current, then quick pull-down sample, sample is completely immersed in quenching liquid, quenches.After sample cooling, take out, be divided into 3 sections vertically, take uniform temperature zone as detection sample, observing microstructure, detection mechanical property, analyzing the relation of microstructure and property, thus screening optimum process.
Embodiment four: with CrMo Heat-Treatment of Steel scheme, this Apparatus for () and method therefor being described, detailed process is as follows: be fixed on elevating lever by sample, and stretches in stove, sample is distributed in special-shaped coils three sections；Making each section of sample be heated to preset temperature is 920 DEG C, 870 DEG C, 820 DEG C, and is incubated 1h at this temperature；Close abnormity induction coil electric current, then quick pull-down sample, by sample part dip quench liquid, carry out the cooling of different cooling speed.After sample cooling, it is divided into 3 sections vertically, takes uniform temperature zone as detection sample, observing microstructure, detection mechanical property, analyzing the relation of microstructure and property, thus screening optimum process；
Embodiment five: with the heat-treatment protocol of FeMnAl system high-aluminum steel, this Apparatus for () and method therefor being described, detailed process is as follows: sample is fixed on elevating lever, and stretches in stove, sample is distributed in special-shaped coils three sections；Make each section of sample be heated to preset temperature 950 DEG C, 900 DEG C, 850 DEG C, and be incubated 30min at this temperature；Sample carries out being cooled to room temperature with the speed of 1K/S.After sample cooling, it is divided into three sections vertically, takes uniform temperature zone as detection sample.Observing microstructure, the segregation situation of detection Al, detection mechanical property, analyzing the relation of microstructure and property, thus screening optimum process；
The present invention adopts abnormity sensing heating coil etc., this coil adopts the change of density and the number of plies to produce gradient induced field in sample, so that sample interior produces the thermograde preset, held for some time, then utilize lowering or hoisting gear that according to certain speed, sample is sunk to cooling bay, thus desired treatment results when disposable acquisition different temperatures and cooldown rate.The present invention is that rapid screening Technology for Heating Processing provides method, is primarily adapted for use in the Technology for Heating Processing screening of metal annealing, quenching, tempering, continuously transformation, isothermal transformation.
Column type metal sample is fixed on elevating lever by the present invention, makes sample be distributed in along its length in heating furnace；Heating furnace adopts the induction coil of particular design, eddy heating for heating sample of inducting in metal, so that forming stable thermograde or uniform temperature in metal sample；Sample, in stove inside holding predetermined time, then makes each position of sample lower the temperature with different rates or phase same rate, reaches same sample different parts and obtain different temperatures or the heat treated effect of different cooling rate.Each position of sample is organized and performance detection, rapid screening metal heating processing technology.
Particular embodiments described above; the solving the technical problem that of the present invention, technical scheme and beneficial effect have been further described; it is it should be understood that; the foregoing is only specific embodiments of the invention; it is not limited to the present invention; all within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention.
Claims (10)
1. warm area many cooling rates annealing device more than a kind, it is characterized in that, it includes lifting body of heater, thermocouple, medium frequency induction power supply switch board, temperature data acquisition device, elevating lever, motor, abnormity induction coil, cooling bay, recirculated water interface, the top of one sample is fixed on the bottom of elevating lever, medium frequency induction power supply switch board, temperature data acquisition device is all connected with body of heater, sample is placed in body of heater, motor is connected with elevating lever, abnormity induction coil is positioned at outside sample and is positioned within body of heater, cooling bay is positioned at the underface of body of heater, cooling bay connects recirculated water interface；Abnormity induction coil is inducted eddy heating for heating sample in body of heater, so that forming stable thermograde or uniform temperature in sample；Sample is in body of heater inside holding predetermined time, then each position of sample is made to lower the temperature with different rates or phase same rate, reach same sample different parts and obtain different temperatures or the heat treated effect of different cooling rate, each position of sample is organized and performance detection, rapid screening metal heating processing technology.
2. many warm area many cooling rates annealing devices as claimed in claim 1, it is characterized in that, described abnormity induction coil utilizes copper pipe density and the number of plies change of himself different parts, it is made to have the induced field of gradient to be heated when being electrified stream, so that sample interior produces default thermograde or uniform temperature.
3. many warm area many cooling rates annealing devices as claimed in claim 1, it is characterised in that described abnormity induction coil makes each spot temperature uniformity of sample.
4. many warm area many cooling rates annealing devices as claimed in claim 1, it is characterized in that, the lifting of described elevating lever makes to carry out outside the fully extended stove of sample air cooling and rapid decrease elevating lever, make sample be fully or partially immersed in quenching liquid, carry out quenching or varying strength cooling；Medium frequency induction power supply switch board controls heating power；Body of heater is sample, abnormity induction coil provides the working environment being incubated；In order to more accurately observe temperature intuitively, in body of heater, thermocouple is arranged at each position, and shown and data acquisition by temperature data acquisition device, sample is by being fixed on elevating lever and regulating its position by motor, cooling bay is for needing the heat treatment link of the sample of quenching, simultaneously, it is prevented that occur that long-time repeated hardening liquid temp is too high, quenching liquid is circulated water-cooled but by recirculated water interface.
5. many warm area many cooling rates annealing devices as claimed in claim 1, it is characterised in that be filled with insulating brick outside described body of heater, and be filled with ceramic fibre asbestos at the gap location of body of heater and be incubated.
6. warm area many cooling rates heat treatment method more than a kind, it is characterised in that described many warm area many cooling rates heat treatment methods comprise the steps of
S1, being fixed on elevating lever by sample, set lift pin locations, each is interval in stove to make sample distribution；
S2, adjustment current parameters reach change magnetic induction, the final effect changing temperature, and the purpose being incubated at this temperature；
The insulation of S3, sample reduces lift pin locations, makes sample stretch out outside stove, carry out air cooling after terminating；Or, after sample insulation terminates, not moving lifting bar position, make sample be in stove, carry out furnace cooling.
7. many warm area many cooling rates heat treatment methods as claimed in claim 6, it is characterised in that described many warm area many cooling rates heat treatment method rapid decrease elevating levers, make sample be completely immersed in quenching liquid, quench.
8. many warm area many cooling rates heat treatment methods as claimed in claim 6, it is characterised in that described many warm area many cooling rates heat treatment methods reduce stove bar position, make sample part immerse stove bar, reach the effect of different intensity of cooling.
9. many warm area many cooling rates heat treatment methods according to claim 6, it is characterised in that described many warm area many cooling rates heat treatment methods adjust current parameters.
10. many warm area many cooling rates heat treatment methods according to claim 6, it is characterised in that described many warm area many cooling rates heat treatment methods make sample distribution each interval in body of heater.
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| CN106755754A (en) * | 2017-01-13 | 2017-05-31 | 沈阳航空航天大学 | A kind of Gradient Materials multi-temperature annealing device and method |
| CN107699673A (en) * | 2017-10-12 | 2018-02-16 | 钢铁研究总院 | A kind of high flux gradient thermal processing array crucible |
| CN108774674A (en) * | 2018-06-29 | 2018-11-09 | 华北电力大学 | A kind of magnetic heat treatment furnace |
| CN110125206A (en) * | 2019-05-13 | 2019-08-16 | 西安威特电力电子设备研究所 | A kind of non-ferrous metal bar variable frequency induction gradient-heated equipment and heating means |
| CN111151860A (en) * | 2020-01-16 | 2020-05-15 | 陈嘉毅 | High-frequency hot-melting welding device and welding method |
| CN113275558A (en) * | 2021-05-14 | 2021-08-20 | 扬州大学 | Heat treatment device for rapidly heating and cooling powder sample |
| CN114300572A (en) * | 2021-11-24 | 2022-04-08 | 中国电子科技集团公司第十一研究所 | Heat treatment device and method |
| CN114517248A (en) * | 2019-12-31 | 2022-05-20 | 上海大学 | Rapid quenching and tempering heat treatment method for gun steel bar with 10-time speed level |
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