CN105951035A - Method of spring steel for bluing under low-temperature plasma - Google Patents
Method of spring steel for bluing under low-temperature plasma Download PDFInfo
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- CN105951035A CN105951035A CN201610361387.2A CN201610361387A CN105951035A CN 105951035 A CN105951035 A CN 105951035A CN 201610361387 A CN201610361387 A CN 201610361387A CN 105951035 A CN105951035 A CN 105951035A
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
- C23C8/36—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases using ionised gases, e.g. ionitriding
- C23C8/38—Treatment of ferrous surfaces
Abstract
The invention relates to a method of spring steel for bluing under low-temperature plasma, and belongs to the technical field of metal surface treatment. The low-temperature plasma is generally obtained through gas discharge; and according to differences of working principles and gas breakthrough types, the gas discharge can be divided into glow discharge, corona discharge, medium stop discharge, microwave discharge, radio-frequency discharge and the like, wherein alternating-current pulse corona discharge and medium stop discharge have such advantages as capability of working under normal pressure, simple equipment structure and low system manufacturing cost. The method uses a medium stop discharge type low-temperature plasma generator for successfully combining a low-temperature plasma technology with a spring steel bluing technology, uses oxygen high-activity in a plasma state for fully contacting the spring steel with oxygen plasma, optimizes optimal preparation parameters through multiple experimental methods, and forms a bluing film layer with excellent performance on the surface of the spring steel.
Description
Technical field
The invention belongs to field of metal surface treatment technology, relate to a kind of spring steel surface and turn blue process process.
Background technology
Plasma be deprived of by part electronics after atom and atomic group be ionized after the ionized gas shape material that forms of negative ions that produces, plasma is widely present in universe, is often considered to be in addition to solid, liquid, gas, the 4th state that material exists.The development further of the science such as material, the energy, information, environment space, space physics, geophysics that develop into of plasma physics provides new technology and technique.
Plasma can be divided into two kinds: high temperature and low temperature plasma.Plasma temperature represents by electron temperature and ion temperature respectively, and both are equal is referred to as high-temperature plasma；Unequal, claim low temperature plasma.High-temperature plasma only occurs when temperature is sufficiently high.Fixed star constantly sends this plasma, constitutes the 99% of universe.And low temperature plasma is the plasma (although the temperature of electronics is the highest) occurred at normal temperatures.Low temperature plasma can be used for the surfaces such as oxidation, degeneration and processes or carry out precipitated coatings process on Organic substance and inorganic matter.
Owing to low temperature plasma is easily prepared and the advantage such as control, in recent years, non-thermal plasma trap is fast-developing, and is applied to the various industries such as material, environmental protection, communication, household.Low temperature plasma is typically obtained by gas discharge, by operation principle and the difference of gas breakdown type, can be divided into glow discharge, corona discharge, dielectric barrier discharge, microwave discharge, radio-frequency discharge etc., wherein alternating-current pulse corona discharge and dielectric barrier discharge have advantages such as can working at ambient pressure, device structure is easy, system cost is low.Due to dielectric barrier discharge type low-temperature plasma generator relatively alternating-current pulse corona discharge job stability more preferably, generator volume is more compact, so, the present invention uses dielectric barrier discharge type low-temperature plasma generator when preparing plasma oxygen.
Summary of the invention
The technology that it is an object of the invention to turn blue non-thermal plasma trap with spring steel is successfully combined, and utilizes the oxygen high activity performance under plasmoid, makes spring steel be fully contacted with the plasma of oxygen, thus at the film layer that turns blue of the surface of spring steel formation function admirable.
The present invention is a kind of method that spring steel turns blue under low-temperature plasma.It is characterized in that there is following process and step:
A, the pretreatment of spring steel sample: spring steel sample is polished, polish, oil removing dry up process with cold wind；B, low-temperature plasma generator processes: sample is placed in low-temperature plasma generator, generator uses quartz glass thick for 3mm as block media, air it is passed through in plasma generator, gas flow rate is 10mL/s 30mL/s, generator temperature is 280 DEG C 520 DEG C, and generator discharge frequency is 10kHz 20 kHz, and discharging gap is 0.5mm 2.5mm；When generator starts to discharge, the air being passed through in generator is ionized as plasma, possess highly active plasma and carry out fast reaction with the sample in generator, thus generate the second best in quality film layer that turns blue at sample surfaces, it is set as 10min 15min starting to be discharged to the end time, after process terminates, close low-temperature plasma generator, sample is taken out from generator and quickly input quenching oil in carry out oil quenching process.
After all process terminates, sample is carried out surface macro property and corrosion resisting property test.
The present invention has a characteristic that
1, the present invention uses air plasma to turn blue spring steel process as the medium that turns blue first in the field of turning blue, and is the trial first that combines with plasma technology of the field of turning blue and exploration, is the innovations with independent significance.
2, low temperature plasma has himself unique performance, such as high activity, high fluidity and permeability etc., apply to the performance of this uniqueness to turn blue technically, solve tradition and turn blue that technology is such as given a protective coating to metal objects, alkalescence turns blue existing defect, is promoting the most greatly the technology of turning blue.
3, the high activity that air is had under plasmoid and high osmosis can form the film layer that turns blue of densification on spring steel surface, and this film layer that turns blue is far superior to tradition and turns blue the film layer prepared by technique the protective action of spring steel.
4, the present invention is using plasma as the medium that turns blue, and is the successful example that is combined with the technology of turning blue of plasma technology, by this technology, can prepare the high performance film layer that turns blue.
5, the present invention uses oil quenching that sample is carried out cooling process after plasma generator electric discharge terminates, oil quenching technology be mainly characterized by sample cooling time the softest compared with shrend, and reduce the reoxidation of sample, by the way of oil quenching, can ensure that structure and the composition of the film that turns blue that sample generated in the plasma maintain the original state, not change.
Specific implementation method
Embodiment 1
Sample is polished, polish, deoil and is used cold wind dry up, spring steel sample is placed in plasma generator after terminating by process, plasma generator will be passed through air, gas flow rate is 10mL/s, generator temperature is set to 280 DEG C, generator discharge frequency equipment is 10kHz, and discharging gap is set to 0.5mm.Open generator and start electric discharge, close plasma generator after electric discharge 10min, quickly sample is taken out from generator and put into quenching oil carries out oil quenching process.
Embodiment 2
Sample is polished, polish, deoil and is used cold wind dry up, spring steel sample is placed in plasma generator after terminating by process, plasma generator will be passed through air, gas flow rate is 15mL/s, generator temperature is set to 340 DEG C, generator discharge frequency equipment is 15kHz, and discharging gap is set to 1mm.Open generator and start electric discharge, close plasma generator after electric discharge 13min, quickly sample is taken out from generator and put into quenching oil carries out oil quenching process.
Embodiment 3
Sample is polished, polish, deoil and is used cold wind dry up, spring steel sample is placed in plasma generator after terminating by process, plasma generator will be passed through air, gas flow rate is 20mL/s, generator temperature is set to 400 DEG C, generator discharge frequency equipment is 15kHz, and discharging gap is set to 1.5mm.Open generator and start electric discharge, close plasma generator after electric discharge 13min, quickly sample is taken out from generator and put into quenching oil carries out oil quenching process.
Embodiment 4
Sample is polished, polish, deoil and is used cold wind dry up, spring steel sample is placed in plasma generator after terminating by process, plasma generator will be passed through air, gas flow rate is 25mL/s, generator temperature is set to 460 DEG C, generator discharge frequency equipment is 20kHz, and discharging gap is set to 2mm.Open generator and start electric discharge, close plasma generator after electric discharge 15min, quickly sample is taken out from generator and put into quenching oil carries out oil quenching process.
Embodiment 5
Sample is polished, polish, deoil and is used cold wind dry up, spring steel sample is placed in plasma generator after terminating by process, plasma generator will be passed through air, gas flow rate is 30mL/s, generator temperature is set to 520 DEG C, generator discharge frequency equipment is 20kHz, and discharging gap is set to 2.5mm.Open generator and start electric discharge, close plasma generator after electric discharge 15min, quickly sample is taken out from generator and put into quenching oil carries out oil quenching process.
Sample after each instance processes carrying out surface macroscopic view and corrosion resisting property is tested, result is as shown in table 1:
From the point of view of embodiment test case, substantially possess high-quality film layer by the sample prepared by the present invention, there is good exterior appearance and corrosion resisting property.
Claims (1)
1. the method that a spring steel turns blue under low temperature plasma, it is characterised in that there is following process and step:
A, the pretreatment of spring steel sample
Spring steel sample polished, polish, oil removing dry up process with cold wind, process is the most stand-by after terminating；
B, is positioned in low-temperature plasma generator process
Pretreated sample is placed in low-temperature plasma generator, generator uses quartz glass thick for 3mm as block media, air it is passed through in plasma generator, gas flow rate is 10mL/s 30mL/s, generator temperature is 280 DEG C 520 DEG C, generator discharge frequency is 10kHz 20 kHz, discharging gap is 0.5mm 2.5mm, when generator starts to discharge, the air being passed through in generator is ionized as plasma, possess highly active plasma and carry out fast reaction with the spring steel sample in generator, thus generate the second best in quality film layer that turns blue at spring steel sample surfaces；It is set as 10min 15min starting to be discharged to the end time；After process terminates, close low-temperature plasma generator, spring steel sample is taken out from generator and quickly input quenching oil in carry out oil quenching process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610361387.2A CN105951035A (en) | 2016-05-28 | 2016-05-28 | Method of spring steel for bluing under low-temperature plasma |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610361387.2A CN105951035A (en) | 2016-05-28 | 2016-05-28 | Method of spring steel for bluing under low-temperature plasma |
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| CN105951035A true CN105951035A (en) | 2016-09-21 |
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| CN201610361387.2A Pending CN105951035A (en) | 2016-05-28 | 2016-05-28 | Method of spring steel for bluing under low-temperature plasma |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107904548A (en) * | 2017-10-25 | 2018-04-13 | 镇江市丹徒区开源制刷厂 | A kind of method of turning blue of the anticorrosive reinforced film of spring steel surface oxidation-resistant |
| CN109023223A (en) * | 2018-09-03 | 2018-12-18 | 辽宁科技大学 | A kind of metal surface using low temperature plasma is turned blue method |
| CN111455309A (en) * | 2020-04-17 | 2020-07-28 | 西安交通大学 | Treatment method for modifying metal passive film through dielectric barrier discharge |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1491527A (en) * | 2001-02-12 | 2004-04-21 | Se�������幫˾ | Apparatus for generating low temperature plasma at atmospheric pressure |
| CN101376968A (en) * | 2007-08-27 | 2009-03-04 | 宝山钢铁股份有限公司 | Normal atmosphere plasma strip steel film coating process |
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2016
- 2016-05-28 CN CN201610361387.2A patent/CN105951035A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1491527A (en) * | 2001-02-12 | 2004-04-21 | Se�������幫˾ | Apparatus for generating low temperature plasma at atmospheric pressure |
| CN101376968A (en) * | 2007-08-27 | 2009-03-04 | 宝山钢铁股份有限公司 | Normal atmosphere plasma strip steel film coating process |
Non-Patent Citations (1)
| Title |
|---|
| 上海市热处理协会: "《实用热处理手册》", 31 January 2009 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107904548A (en) * | 2017-10-25 | 2018-04-13 | 镇江市丹徒区开源制刷厂 | A kind of method of turning blue of the anticorrosive reinforced film of spring steel surface oxidation-resistant |
| CN109023223A (en) * | 2018-09-03 | 2018-12-18 | 辽宁科技大学 | A kind of metal surface using low temperature plasma is turned blue method |
| CN111455309A (en) * | 2020-04-17 | 2020-07-28 | 西安交通大学 | Treatment method for modifying metal passive film through dielectric barrier discharge |
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Application publication date: 20160921 |