CN1664160A - Method of hardening a beta titanium member - Google Patents
Method of hardening a beta titanium member Download PDFInfo
- Publication number
- CN1664160A CN1664160A CN200510051900XA CN200510051900A CN1664160A CN 1664160 A CN1664160 A CN 1664160A CN 200510051900X A CN200510051900X A CN 200510051900XA CN 200510051900 A CN200510051900 A CN 200510051900A CN 1664160 A CN1664160 A CN 1664160A
- Authority
- CN
- China
- Prior art keywords
- beta titanium
- surface cure
- treatment process
- cure treatment
- titanium
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
- C23C8/08—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 only one element being applied
- C23C8/10—Oxidising
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
Abstract
This invention provides a surface hardening treatment method for a [beta] type titanium based metal, in which the thickness of an oxidized layer formed through oxygen pack cementation is suppressed to the minimum, and further, a hardened layer can be formed from the surface to 100 [mu]m. Regarding the surface hardening treatment device 10 for [beta]type titanium, a [beta] type titanium based member 11 is subjected to heating treatment in a gaseous mixture of gaseous argon and oxygen, wherein heating treatment is performed in an oxygen concentration of 0.05 to 20 vol% at 700 to 1,000[deg.]C for 10 to 30 min, and thereafter, aging treatment is performed at 400 to 550[deg.]C for 6 to 12 hr.
Description
Technical field
The present invention relates to titanium, particularly surface cure treatment process and surface cure treatment unit, the titanium at the surface of beta titanium formation cured layer is member.
Background technology
In recent years, the titanium system that lightweight, hardness are high or the goods of titanium alloys are used in every field.This titanium or titanium alloy are reactive metal, and it is low to have a so-called abrasion resistance, and surface treatment is the shortcoming of difficulty very.
As the method for the surface hardness that improves this titanium or titanium alloy, can adopt electroplating surface to handle forming the method for cured layer, or by nitrogenize, soak carbon processing etc. and make the solidified treatment process of product surface own.
But the adaptation that electroplating processes has form layers and titanium surface is low, the problems such as outward appearance of infringement titanium.On the other hand, by nitrogenize, soak the surface treatment method that carbon is handled, have problems such as coarsening, treatment time be long.
As being other surface cure treatment processs of purpose, proposed to utilize the surface cure treatment process (with reference to patent documentation 1～3) of oxygen diffusion to improve the wear-resistant of Ti product.
For example, disclose in the patent documentation 1 that to make titanium in the high powder of oxygen-absorbing be that member buries and the surface cure treatment process handled.This surface cure treatment process because the titanium based material is carried out heat treated with the state that buries in powder, hinders the oxygen concentration in the ambiance of the inhibition titanium based material periphery that titanium surface and contacting of oxygen can be lower by physics.As a result, the formation of inhibited oxidation layer makes the Sauerstoffatom infiltration be diffused into the surface that titanium is a member, can form the oxygen diffusion layer of Ti-O solid solution system.
[patent documentation 1]
The spy opens 2003-73796 communique (putting down on March 12nd, 15 openly)
[patent documentation 2]
The spy opens 2002-97914 communique (putting down on April 5th, 14 openly)
[patent documentation 3]
The spy opens 2001-81544 communique (putting down on March 27th, 13 openly)
Summary of the invention
But above-mentioned surface cure treatment process in the past has problem points as follows.
That is, patent documentation 1 disclosed surface cure treatment process though improved surface hardness, is that member buries in oxygen imbedibility powder and makes processing efficiency poor owing to each processing must make titanium, causes problems such as cost rising.In addition, because titanium is a specified speed of cooling after can't obtaining heat treated after member buries in oxygen imbedibility powder, can not carry out suitable ageing treatment.
Problem of the present invention is, being provided at the oxidated layer thickness that will form through heat treated suppresses to minimum the time, can effectively be formed up to the surface cure treatment process of beta titanium of processing of the cured layer in deep, beta titanium is the surface cure treatment unit of member and beta titanium.
The surface cure treatment process of beta titanium of invention 1 is, is member heat treated in the mixed gas of rare gas element and oxygen with beta titanium, forms oxygen infiltration diffusion layer.
As long as by this surface cure treatment process, just can be in carry out heat treated under the condition of lower specific oxygen concentration than atmosphere.Therefore, can make thickness of oxide layer harder, crisp, that peel off easily thinner than in the past, for example, below the about 5 μ m of thickness.So,, can make the precision size degree maintain high level because the zone of oxidation that forms is thin.In addition, the processing after the zone of oxidation after removing surface cure and handling also becomes easy.The downgrade of products appearance that therefore, can the residual color spot that causes of inhibited oxidation layer etc.
Simultaneously, for example can form, extremely the infiltration of the oxygen in the deep of about 100 μ m is spread and the solidified cured layer from the surface.Therefore, can obtain surface hardness and improve, beta titanium that wearability is good is a member.
As mentioned above, utilize the surface cure treatment process of beta titanium of the present invention, can not damaged the outward appearance of beta titanium, surface hardness improves, and beta titanium that wearability is good is a member.
The surface cure treatment process of invention beta titanium of 2, for inventing the surface cure treatment process of beta titanium of 1, wherein, the oxygen concentration of mixed gas is 0.05～20vol%.
Here, prevent that by under this oxygen concentration condition, handling, making zone of oxidation thickening that the titanium surface forms and the cured layer that is formed up to the deep of titanium from becoming possibility.
And the lower value 0.05vol% of above-mentioned oxygen concentration condition is the necessary MIN oxygen concentration of carrying out oxygen infiltration DIFFUSION TREATMENT, and higher limit 20vol% is the critical oxygen concentration that the promotes oxidn layer formed and do not hinder oxygen infiltration DIFFUSION TREATMENT.
The surface cure treatment process of invention beta titanium of 3, for inventing the surface cure treatment process of beta titanium of 1 or 2, wherein, the oxygen concentration of mixed gas is 1～10vol%.
Here, by under this temperature, carrying out heat treated, surface that can more effective solid solution beta titanium, effectively carry out oxygen infiltration DIFFUSION TREATMENT.
The surface cure treatment process of beta titanium of invention 4, for inventing the surface cure treatment process of each beta titanium in 1 to 3, wherein, heat treated is carried out in 700～1000 ℃ temperature range.
Here, by under this temperature, carrying out heat treated, surface that can solid solution beta titanium, effectively carry out oxygen infiltration DIFFUSION TREATMENT.
In addition, the lower value of said temperature condition is a temperature of having considered the solid solubility temperature of beta titanium for 700 ℃, and higher limit is for 1000 ℃ the critical temperature of thickization that does not cause the crystalline particle of beta titanium.
The surface cure treatment process of beta titanium of invention 5, for inventing the surface cure treatment process of each beta titanium in 1 to 4, wherein, heat treated is carried out in 850～950 ℃ temperature range.
Here, by under this temperature condition, handling, can especially effectively improve the surface hardness of beta titanium.
The surface cure treatment process of beta titanium of invention 6, for inventing the surface cure treatment process of each beta titanium in 1 to 5, wherein, heat treated 10～30 minutes.
Here, by under this heating condition, handling, can effectively form oxygen infiltration diffusion layer.
The surface cure treatment process of beta titanium of invention 7, for inventing the surface cure treatment process of each beta titanium in 1 to 6, wherein, heat treated 15～25 minutes.
Here, by under this heating condition, handling, can more effective formation oxygen infiltration diffusion layer.
The surface cure treatment process of beta titanium of invention 8 for inventing the surface cure treatment process of each beta titanium in 1 to 7, wherein, after the heat treated, is carried out 6～16 hours ageing treatment under 400～550 ℃.
Here, by carrying out ageing treatment under these conditions, can further improve surface hardness, improve wearability.
The surface cure treatment process of beta titanium of invention 9 for inventing the surface cure treatment process of each beta titanium in 1 to 8, wherein, after the heat treated, is carried out 10～14 hours ageing treatment under 450～500 ℃.
Here, by carrying out ageing treatment under these conditions, can more effective raising surface hardness, improve wearability.
The surface cure treatment process of beta titanium of invention 10, for inventing the surface cure treatment process of each beta titanium in 1 to 9, wherein, rare gas element is an argon gas.
Here, by using the mixed gas of oxygen and argon gas, can in specific oxygen concentration scope, carry out oxygen infiltration DIFFUSION TREATMENT.
Beta titanium of invention 11 is a member, handles by the surface cure treatment process of inventing each beta titanium in 1 to 10, forms the zone of oxidation of the following thickness of 5 μ m and the oxygen infiltration diffusion layer of the above thickness of 70 μ m from photons.
Here, by above-mentioned treatment process, formation that not only can the inhibited oxidation layer, and the high beta titanium of surface hardness that can obtain forming the oxygen diffusion layer till the deep is a member.
The surface processing device of beta titanium of invention 12 by inventing the surface cure treatment process of each beta titanium in 1 to 10, is that member is handled to beta titanium.
Here, by being that member is implemented above-mentioned processing to beta titanium, formation that not only can the inhibited oxidation layer, and can to obtain being formed up to the high beta titanium of surface hardness that forms the oxygen diffusion layer till the deep be the surface cure treatment unit of beta titanium of member.
By inventing the surface cure treatment process of beta titanium of 1, formation that not only can the inhibited oxidation layer, and can be formed up to the high beta titanium of surface hardness that forms the oxygen diffusion layer till the deep be member.
By inventing the surface cure treatment process of beta titanium of 2, not only can prevent the zone of oxidation thickening that the titanium surface forms, and the deep that makes cured layer be formed up to titanium becomes possibility.
By inventing the surface cure treatment process of beta titanium of 3, formation that not only can more effective inhibited oxidation layer, and can form cured layer down to the deep.
By inventing the surface cure treatment process of beta titanium of 4, oxygen infiltration DIFFUSION TREATMENT is effectively carried out on surface that can solid solution beta titanium.
By inventing the surface cure treatment process of beta titanium of 5, can especially effectively improve the hardness on titanium surface.
By inventing the surface cure treatment process of beta titanium of 6, can effectively form oxygen infiltration diffusion layer.
By inventing the surface cure treatment process of beta titanium of 7, can more effective formation oxygen infiltration diffusion layer.
By inventing the surface cure treatment process of beta titanium of 8, can further improve surface hardness, improve wearability.
By inventing the surface cure treatment process of beta titanium of 9, can more effective raising surface hardness, improve wearability.
By inventing the surface cure treatment process of beta titanium of 10, can in specific oxygen concentration scope, carry out oxygen infiltration DIFFUSION TREATMENT.
By inventing beta titanium of 11 is member, formation that not only can the inhibited oxidation layer, and can form the oxygen diffusion layer down to the deep, improve surface hardness.
By inventing the surface cure treatment unit of beta titanium of 12, formation that not only can the inhibited oxidation layer, and can to obtain being formed up to the high beta titanium of surface hardness that forms the oxygen diffusion layer till the deep be the device of member.
The accompanying drawing simple declaration
[Fig. 1]
The sketch chart of the surface cure treatment unit of beta titanium that the expression one embodiment of the present invention relates to.
[Fig. 2]
(a) and (b) represent that the beta titanium by the surface cure disposal methods of beta titanium of the present invention is the surface hardness measurement result synoptic diagram of member.
[Fig. 3]
Expression is the result schematic diagram of the wearing test of member by beta titanium of the surface cure disposal methods of beta titanium of the present invention.
[Fig. 4]
Expression is the sketch chart of the surface tissue of member by beta titanium of the surface cure disposal methods of beta titanium of the present invention.
Nomenclature
The surface cure treatment unit of 10 beta titanium
11 beta titanium are member
The 11a zone of oxidation
The 11b cured layer
The 11c layer that is untreated
S handles the space
Embodiment
Surface cure treatment process, the surface cure treatment unit of beta titanium, beta titanium of the beta titanium that relates to for one embodiment of the present invention are member, and available Fig. 1～Fig. 4 is described as follows.
The surface cure treatment unit 10 of beta titanium of present embodiment for example, has the solid solution stove of titanium, can improve the surface hardness of beta titanium by treatment process shown below.
That is, the beta titanium of packing in the processing space S of the surface cure treatment unit 10 of beta titanium is a member 11, carries out heat treated in the atmosphere of the mixed gas of being made up of oxygen and argon gas (rare gas element).Thus, in the processing space S that beta titanium is a member 11 is housed, can under than the lower state of the oxygen concentration in the atmosphere, carry out heat treated.
As the treatment condition of this moment, preferred oxygen concentration is 0.05～20vol%, and the heat treated temperature is 700～1000 ℃, and the heat treated time is 10～30 minutes.
Subsequently, after the processing, in 400～550 ℃ temperature range, carry out 6～16 hours ageing treatment.
Shown below for to satisfy the measurement result that beta titanium of handling under the above-mentioned treatment condition is the surface hardness of member 11.
Shown in Fig. 2 (a), in 850 ℃ of temperature condition, 10 minutes heat treated time, beta titanium of handling under the condition of oxygen concentration 5vol% is a member, with respect to untreated beta titanium is the definite value of the HV hardness about 400 of member, and the hardness from the surface to the HV of the degree of depth of 0.10mm (100 μ m) rises to 570～400.Particularly from the surface to the scope of 0.05mm (50 μ m), HV hardness rises to 570～450.
In addition, in 850 ℃ of temperature condition, 10 minutes heat treated time, beta titanium of handling under the condition of oxygen concentration 10vol% is a member, is that the situation of 5vol% is identical with above-mentioned oxygen concentration, and the HV hardness from the surface to the degree of depth of 0.10mm (100 μ m) rises to 570～400.Particularly from the surface to the scope of 0.05mm (50 μ m), HV hardness rises to 570～450.
And, shown in Fig. 2 (b), in 900 ℃ of temperature condition, 10 minutes heat treated time, beta titanium of handling under the condition of oxygen concentration 1.7vol% is a member, with respect to untreated beta titanium is that member hardness is about 450HV, and the HV hardness from the surface to the degree of depth of 0.10mm (100 μ m) rises to 590～420.Particularly from the surface to the scope of 0.05mm (50 μ m), HV hardness rises to 590～495.
In addition, in 900 ℃ of temperature condition, 10 minutes heat treated time, beta titanium of handling under the condition of oxygen concentration 5vol% is a member, and the HV hardness from the surface to the degree of depth of 0.10mm (100 μ m) rises to 580～470.Particularly from the surface to the scope of 0.05mm (50 μ m), HV hardness rises to 580～515.
And in 900 ℃ of temperature condition, 10 minutes heat treated time, beta titanium of handling under the condition of oxygen concentration 10vol% is a member, and the HV hardness from the surface to the degree of depth of 0.10mm (100 μ m) rises to 545～395.Particularly from the surface to the scope of 0.05mm (50 μ m), HV hardness rises to 545～490.
As mentioned above, by the experimental result shown in Fig. 2 (a) and Fig. 2 (b) as can be known, for the temperature condition in the above-mentioned surface cure treatment condition, hardness rose when 900 ℃ processing was handled down than 850 ℃ down.Particularly 900 ℃ when handling, descend more lentamente when 850 ℃ of the HV hardness ratios of the degree of depth are handled to 0.02mm (20 μ m) from the surface.Therefore, consider the melt temperature of beta titanium,, more preferably handle heating at 850～950 ℃ as the surface cure treatment condition.
In the same manner,, judge, under 1.7vol%, handle than under 5vol%, handling, and handle under 5vol% that to compare when 10vol% handles HV hardness higher by result shown in Fig. 2 (b) about oxygen concentration.Therefore, when HV hardness is risen, suppress surface oxide layer and form, more preferably under the oxygen concentration of 1～10vol%, handle.
Here, be the result of the wearing test of member 11 about the beta titanium after further these surface treatments, be described as follows with Fig. 3.
Here shown: untreated beta titanium is a member; Beta titanium that 850 ℃ of Heating temperatures, 10 minutes heat-up times, oxygen concentration 5vol% handle down is member (sample 1); Beta titanium that 900 ℃ of Heating temperatures, 10 minutes heat-up times, oxygen concentration 10vol% handle down is member (sample 2); Beta titanium that 900 ℃ of Heating temperatures, 10 minutes heat-up times, oxygen concentration 5vol% handle down is member (sample 3); Beta titanium that 900 ℃ of Heating temperatures, 10 minutes heat-up times, oxygen concentration 1.7vol% handle down is the result of member (sample 4).
As shown in Figure 3, with respect to untreated beta titanium is that the average abrasion amount of member is 0.158mm, sample 1 is that 0.138mm, sample 2 are 0.104mm for 0.132mm, sample 3 for 0.110mm, sample 4, beta titanium of handling as can be known is that member is that member is compared with untreated beta titanium, and the average abrasion amount reduces.Particularly the sample of handling under 900 ℃ * 10 minutes condition 3, sample 4 are that member is compared with untreated beta titanium, and the average abrasion amount has reduced 30%.
Thus the result as can be known, handling in the temperature range of 850～950 ℃ of temperature condition than untreated beta titanium is that the member wearability improves, surface hardness improves.
In addition, by sample 1 and sample 3 more as can be known, the average abrasion amount in the time of can be than 850 ℃ when the Heating temperature condition is 900 ℃ reduces and preferred.And, by sample 2～sample 4 more as can be known, along with the oxygen concentration condition reduces to 1.7vol% from 10vol%, the average abrasion amount also can reduce and preferred.
[beta titanium is the surface tissue of member]
Beta titanium of implementing aforesaid surface effect processing is that member 11 becomes surface tissue as shown in Figure 4.
That is, the beta titanium after the surface Hardening Treatment of present embodiment is the superiors on the surface of member 11, as shown in Figure 4, has formed zone of oxidation 11a, has formed cured layer 11b in the lower floor of zone of oxidation 11a.Subsequently, the lower floor at cured layer 11b exists layer 11c that be untreated.
Form the zone of oxidation 11a of thick 0～5 μ m by the surface.Thus, beta titanium that the enforcement surface cure of present embodiment is handled is a member 11, since the thickness of the zone of oxidation 11a that the surface forms can than in the past in atmosphere, carry out heat treated the time more especially thin of thickness, the aftertreatment of removing the zone of oxidation 11a after the processing also becomes very easy.
Lower floor at above-mentioned zone of oxidation 11a forms cured layer 11b, is the layer about the thickness 100 μ m of oxygen infiltration diffusion hardness rising.
As mentioned above, the surface cure treatment unit 10 of beta titanium of present embodiment, because the thickness of (100 μ m) is member 11 so can effectively obtain beta titanium of surface hardness rising more than the not only thickness of inhibited oxidation layer 11a, and formation cured layer 11b to the 70 μ m.
[comparative example 1]
To being handled the comparative example that does not carry out and carry out in atmosphere in the mixed gas of argon gas and oxygen, the surface cure of beta titanium describes.
This comparative example can form thick cured layer to 300 μ m, though the HV hardness of upper layer rises to 500, the superiors form the thick zone of oxidation of 100 μ m.Because zone of oxidation has harder, crisp character, the thick zone of oxidation of the formation as this comparative example to 100 μ m, make before the goodsization to remove operation very loaded down with trivial details and production efficiency reduces.And, consider from the aspect that the zone of oxidation of product surface descends products appearance and not preferred.
As mentioned above, even the condition except the oxygen concentration condition and the present invention carry out under the situation of same processing, though uprised by surface hardness, the zone of oxidation thickening that the superiors form does not preferably carry out heat treated as can be known in atmosphere.
Comparative example 2
As carrying out the object that surface cure is handled, use pure titanium, type alpha+beta titanium beyond beta titanium, describe with the comparative example of the same processing of the present invention carrying out.
This comparative example no matter whether carry out above-mentioned surface cure handles, and all can not divide in skin section to form the cured layer that the oxygen infiltration has been spread.Think that this is owing to pure titanium, type alpha+beta titanium can not form oxygen infiltration diffusion layer in the solid solution surface.
The result as can be known, method for surface hardening of the present invention, invalid to pure titanium, type alpha+beta titanium, the surface cure of beta titanium is handled effectively.
[feature of the surface cure treatment unit of beta titanium]
(1)
The surface cure treatment unit 10 of beta titanium of present embodiment, heat treated beta titanium is a member 11 in the mixed gas of argon gas (rare gas element) and oxygen.
Thus, can be that member 11 carries out heat treated with beta titanium in the specific oxygen concentration lower than the oxygen concentration in the atmosphere.As a result, as shown in Figure 4, make the thickness that is suppressed at the zone of oxidation 11a that the surface forms and form the cured layer 11b that the oxygen infiltration spread in its lower floor to deep to become possibility.
For example, beta titanium of handling under condition shown below is a member 11, as shown in Figure 3, is that member is compared with untreated beta titanium, can reduce by 30% abrasion loss, realizes the raising of wearability.
(2)
The surface cure treatment unit 10 of beta titanium of present embodiment carries out heat treated in the mixed gas of argon gas-oxygen of oxygen concentration 0.05～20vol%.
Thus, compare, can be suppressed at the zone of oxidation 11a thickening that the surface forms, and can form cured layer 11b down to the deep with in atmosphere, carrying out heat treated.As a result, can obtain beta titanium that surface hardness rises, wearability is good is member 11.
In addition, above-mentioned oxygen concentration scope is more preferably in the scope of 1～10vol%.
(3)
The surface cure treatment unit 10 of beta titanium of present embodiment carries out heat treated under the temperature condition of 700～1000 ℃ scopes.
Thus, beta titanium is surperficial solid solution, the oxygen infiltration diffusion of member 11, can form cured layer 11b down to the deep.
In addition, the said temperature scope is more preferably carried out under 850～950 ℃.
(4)
The surface cure treatment unit 10 of beta titanium of present embodiment under above-mentioned oxygen concentration condition, temperature condition, carries out 10～30 minutes heat treated.
Thus, formation that not only can the inhibited oxidation layer, and can effectively form oxygen infiltration diffusion layer to the deep.
In addition, above-mentioned heat-up time is more preferably at 15～25 minutes.
(5)
The surface cure treatment unit 10 of beta titanium of present embodiment as mentioned above, after the heat treated, carries out 6～16 hours ageing treatment (annealing) under 400～550 ℃ temperature condition.
Thus, cured layer 11b can be under steady state, formed, and surface hardness, raising wearability can be further improved.
In addition, above-mentioned ageing treatment was more preferably carried out under 450～500 ℃ temperature condition 10～14 hours.
(6)
The beta titanium that is formed by the surface cure treatment unit 10 of beta titanium of present embodiment is a member 11, implements under these conditions to handle.
Thus, not only the thickness of zone of oxidation 11a can be suppressed to about about 5 μ m, and the beta titanium that can obtain forming to the deep of about 100 μ m cured layer 11b is a member 11.
[other embodiment]
One embodiment of the present invention more than has been described, but the present invention is not limited to above-mentioned embodiment, in the scope that does not break away from purport of the present invention, can carries out various changes.
(A)
In the above-mentioned embodiment, the gas of having enumerated conduct and oxygen mix uses the example of argon gas to illustrate.But the present invention not only is defined in this.
For example, even use argon gas rare gas element in addition, also can obtain effect same as described above.
(B)
In the above-mentioned embodiment, the example of having enumerated heat treated in the mixed gas of oxygen and argon gas illustrates.But the present invention not only is defined in this.
For example, not only can be at argon gas, also can in the gas of the mixed gas of argon gas and other rare gas elementes and oxygen mix, carry out heat treated.
Industrial applicibility
The present invention has the formation that not only can suppress oxide layer, also can form oxygen down to the deep and ooze The effect of saturating diffusion layer, hence one can see that, and the present invention can be widely used in using beta titanium conduct The surface cure of the various members of material is processed.
Claims (12)
1. the surface cure treatment process of beta titanium wherein, is that member carries out heat treated in the mixed gas of rare gas element and oxygen with beta titanium, forms oxygen infiltration diffusion layer.
2. the surface cure treatment process of the described beta titanium of claim 1, wherein, the oxygen concentration of above-mentioned mixed gas is 0.05～20vol%.
3. the surface cure treatment process of claim 1 or 2 described beta titanium, wherein, the oxygen concentration of above-mentioned mixed gas is 1～10vol%.
4. the surface cure treatment process of each described beta titanium in the claim 1～3, wherein, above-mentioned heat treated is carried out in 700～1000 ℃ temperature range.
5. the surface cure treatment process of each described beta titanium in the claim 1～4, wherein, above-mentioned heat treated is carried out in 850～950 ℃ temperature range.
6. the surface cure treatment process of each described beta titanium in the claim 1～5 wherein, was carried out above-mentioned heat treated 10～30 minutes.
7. the surface cure treatment process of each described beta titanium in the claim 1～6 wherein, was carried out above-mentioned heat treated 15～25 minutes.
8. the surface cure treatment process of each described beta titanium in the claim 1～7 wherein, after the above-mentioned heat treated, is carried out 6～16 hours ageing treatment under 400～550 ℃.
9. the surface cure treatment process of each described beta titanium in the claim 1～8 wherein, after the above-mentioned heat treated, is carried out 10～14 hours ageing treatment under 450～500 ℃.
10. the surface cure treatment process of each described beta titanium in the claim 1～9, wherein, above-mentioned rare gas element is an argon gas.
11. beta titanium is a member, wherein, handles by the surface cure treatment process of each described beta titanium in the claim 1～10, the zone of oxidation and the oxygen more than the thick 70 μ m that are formed below the thick 5 μ m by upper layer one side permeate diffusion layer.
12. the surface cure treatment unit of beta titanium, wherein, by the surface cure treatment process of each described beta titanium in the claim 1～10, carrying out beta titanium is the processing of member.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60523/2004 | 2004-03-04 | ||
| JP2004060523A JP2005248256A (en) | 2004-03-04 | 2004-03-04 | SURFACE HARDENING TREATMENT METHOD FOR beta TYPE TITANIUM, beta TYPE TITANIUM BASED MEMBER AND SURFACE HARDENING TREATMENT DEVICE FOR beta TYPE TITANIUM |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1664160A true CN1664160A (en) | 2005-09-07 |
Family
ID=34747667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200510051900XA Pending CN1664160A (en) | 2004-03-04 | 2005-03-04 | Method of hardening a beta titanium member |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20050194075A1 (en) |
| EP (1) | EP1571233A1 (en) |
| JP (1) | JP2005248256A (en) |
| CN (1) | CN1664160A (en) |
| TW (1) | TW200536960A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102162080A (en) * | 2011-03-31 | 2011-08-24 | 戚培毅 | Medicinal titanium implanting apparatus surface modification layer and preparation method thereof |
| CN105349934A (en) * | 2015-07-03 | 2016-02-24 | 苏州大学 | Surface strengthening treatment method for titanium alloy |
| CN109306446A (en) * | 2017-01-03 | 2019-02-05 | 卡西欧计算机株式会社 | A kind of titanium or titanium alloy member and its case hardening process |
| CN113174511A (en) * | 2021-04-02 | 2021-07-27 | 西安交通大学 | Beta titanium alloy material with excellent mechanical property and preparation method thereof |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8566943B2 (en) * | 2009-10-01 | 2013-10-22 | Kaspersky Lab, Zao | Asynchronous processing of events for malware detection |
| WO2018128160A1 (en) * | 2017-01-03 | 2018-07-12 | カシオ計算機株式会社 | Alloy member and method for hardening surface thereof |
| JP7107501B2 (en) * | 2018-07-11 | 2022-07-27 | 株式会社オー・ケー・シー | β-type titanium alloy and its manufacturing method |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE69529178T2 (en) * | 1995-09-13 | 2003-10-02 | Toshiba Kawasaki Kk | METHOD FOR PRODUCING A TITANIUM ALLOY TURBINE BLADE AND TITANIUM ALLOY TURBINE BLADE |
| GB9614967D0 (en) * | 1996-07-17 | 1996-09-04 | Univ Birmingham | Surface treatment process |
| JPH11223221A (en) * | 1997-07-01 | 1999-08-17 | Nippon Seiko Kk | Rolling bearing |
| FR2778845B1 (en) * | 1998-05-25 | 2001-05-04 | Oreal | DYE COMPOSITION FOR KERATINIC FIBERS WITH CATIONIC DIRECT DYE AND SUBSTANTIVE POLYMER |
| JP2002097914A (en) * | 2000-07-18 | 2002-04-05 | Fuji Oozx Inc | Engine valve made of titanium alloy and method of manufacturing it |
| US6828041B2 (en) * | 2000-07-18 | 2004-12-07 | Nsk Ltd. | Rolling apparatus |
| JP2003073796A (en) * | 2001-09-03 | 2003-03-12 | Fuji Oozx Inc | Surface treatment method for titanium-based material |
-
2004
- 2004-03-04 JP JP2004060523A patent/JP2005248256A/en active Pending
- 2004-12-27 TW TW093140826A patent/TW200536960A/en unknown
-
2005
- 2005-03-02 US US10/906,696 patent/US20050194075A1/en not_active Abandoned
- 2005-03-03 EP EP05004743A patent/EP1571233A1/en not_active Withdrawn
- 2005-03-04 CN CN200510051900XA patent/CN1664160A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102162080A (en) * | 2011-03-31 | 2011-08-24 | 戚培毅 | Medicinal titanium implanting apparatus surface modification layer and preparation method thereof |
| CN105349934A (en) * | 2015-07-03 | 2016-02-24 | 苏州大学 | Surface strengthening treatment method for titanium alloy |
| CN105349934B (en) * | 2015-07-03 | 2018-03-20 | 苏州大学 | A kind of method for surface hardening of titanium alloy |
| CN109306446A (en) * | 2017-01-03 | 2019-02-05 | 卡西欧计算机株式会社 | A kind of titanium or titanium alloy member and its case hardening process |
| CN109306446B (en) * | 2017-01-03 | 2022-02-22 | 卡西欧计算机株式会社 | Titanium or titanium alloy part and surface hardening method thereof |
| US11578399B2 (en) | 2017-01-03 | 2023-02-14 | Casio Computer Co., Ltd. | Alloy member and method for hardening surface thereof |
| CN113174511A (en) * | 2021-04-02 | 2021-07-27 | 西安交通大学 | Beta titanium alloy material with excellent mechanical property and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2005248256A (en) | 2005-09-15 |
| US20050194075A1 (en) | 2005-09-08 |
| EP1571233A1 (en) | 2005-09-07 |
| TW200536960A (en) | 2005-11-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1664160A (en) | Method of hardening a beta titanium member | |
| CN1251995C (en) | Wear resistant member and its producing method | |
| CN1249789C (en) | Plasma processing container internal parts | |
| CN1038951C (en) | Refurbishing of corroded superalloy or heat resistant steel parts and parts so refurbished | |
| CN1693508A (en) | Aluminium alloy model fine crystal aluminium ingot for wheel hub and its manufacturing method | |
| CN1692482A (en) | Method for manufacturing silicon wafer | |
| CN1149301C (en) | Surface-hardened titanium material, surface hardening method of titanium material, watch case decoration article and decoration article | |
| CN1958207A (en) | Reflow apparatus, a reflow method, and a manufacturing method of semiconductor device | |
| CN1957117A (en) | Group III nitride semiconductor crystal, method for producing same, and group iii nitride semiconductor device | |
| CN1180120C (en) | Stainless steel coated with intermetallic compound and process for producing same | |
| CN100344801C (en) | Method for producing silicon slice and monocrystalline silicon | |
| CN1292829C (en) | Method for making chemical device element comprising metal supporting part and anti-corrosive metal coating | |
| CN1709061A (en) | Compound peroxide acid sterilizing agent and its processing method | |
| CN1863935A (en) | Rolling bearing | |
| CN1304603C (en) | Part heat treatment method for parts to be heat treated and apparatus thereof | |
| CN1878881A (en) | Hot work tool steel and mold member excellent in resistance to melting | |
| CN1877854A (en) | Compound semiconductor substrate, epitaxial substrate, processes for producing compound semiconductor substrate, and epitaxial substrate | |
| CN1688749A (en) | Method for removing a layer area of a component | |
| CN1958512A (en) | Transparent rare-earth oxide sintered body and manufacturing method thereof | |
| CN1280433C (en) | Chlorination treatment process of Se contg. substance | |
| CN1270358C (en) | Oxide film forming method | |
| CN1958163A (en) | Carrier of photocatalyst and mfg. process thereof | |
| CN1667148A (en) | 6063 aluminium alloy made by fine grained aluminium ingot and preparation method thereof | |
| CN101050054A (en) | Vacuum deshydroxy method for quartz glass cell | |
| CN1487561A (en) | Metal foil seal lamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |