CN106799679A - A kind of titanium alloy surface handling process - Google Patents

A kind of titanium alloy surface handling process Download PDF

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Publication number
CN106799679A
CN106799679A CN201611196934.2A CN201611196934A CN106799679A CN 106799679 A CN106799679 A CN 106799679A CN 201611196934 A CN201611196934 A CN 201611196934A CN 106799679 A CN106799679 A CN 106799679A
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China
Prior art keywords
titanium alloy
workpiece
alloy surface
water
polishing
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Pending
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CN201611196934.2A
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Chinese (zh)
Inventor
芮德发
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Dangtu County Hongyu Metal Materials LLC
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Dangtu County Hongyu Metal Materials LLC
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Priority to CN201611196934.2A priority Critical patent/CN106799679A/en
Publication of CN106799679A publication Critical patent/CN106799679A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
    • B24C1/08—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for polishing surfaces, e.g. smoothing a surface by making use of liquid-borne abrasives
    • B24C1/086—Descaling; Removing coating films
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C11/00—Selection of abrasive materials or additives for abrasive blasts
    • 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
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F4/00—Processes for removing metallic material from surfaces, not provided for in group C23F1/00 or C23F3/00
    • 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
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
    • C23G1/10—Other heavy metals
    • C23G1/106—Other heavy metals refractory metals

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)

Abstract

A kind of titanium alloy surface handling process of disclosure of the invention, including：（1）Sandblasting（2）Chemical treatment（3）Rough polishing（4）Beat thorn（5）Fine polishing（6）Finishing polish（7）Sided corona treatment（8）Pickling processes（9）Boil oiling dry.By present invention process process titanium alloy surface is smooth, light, color is uniform, nondiscolouring, the defect such as non-scale, also, titanium alloy by present invention treatment can also greatly improve its inoxidizability and croop property, effectively refine surface microscopic tissue.

Description

A kind of titanium alloy surface handling process
Technical field
The present invention relates to field of metal surface treatment, more particularly to a kind of titanium alloy surface handling process.
Background technology
The surface treatment of current titanium alloy instrument is more to be processed by steel tool process of surface treatment, using this kind of technique The obstinate firecoat that titanium alloy surface is produced by hot forging can not be completely removed, rough, feel when influence is used, and table Face wearability needs to improve.
The content of the invention
It is an object of the invention to provide a kind of titanium alloy surface handling process, it is achieved through the following technical solutions：
A kind of titanium alloy surface handling process, comprises the following steps：
（1）Sandblasting：Titanium alloy workpiece is put into relative air humidity for 60-68%, temperature is small to place 2 under 50-54 DEG C of environment When, abrasive material selection iron-sand, particle diameter is 1.2mm and 0.5mm, and it is 0.55-0.58MPa that pressure is sprayed when using 1.2mm abrasive materials, so Second injection is carried out using 0.5mm abrasive materials afterwards, injection pressure is 0.66-0.69MPa, and nozzle keeps to titanium alloy surface The distance of 120mm, injection direction is controlled at 25 ° with the angle of titanium alloy workpiece surface normal；
（2）Chemical treatment：Workpiece after sandblasting is put into ethylenediamine tetra-acetic acid, triethanolamine, prodan and water mixed preparing Solution in soak 30min；
（3）Rough polishing：Workpiece after immersion is carried out into rough polishing on polishing machine with the sand of 100 mesh；
（4）Beat thorn：Workpiece after rough polishing is carried out playing thorn treatment with thorn wheel；
（5）Fine polishing：The workpiece beaten after thorn carries out fine polishing with the sand of 150 mesh；
（6）Finishing polish：Workpiece after fine polishing carries out finishing polish with the sand of 500 mesh；
（7）Sided corona treatment：By essence throw after workpiece be placed on relative air humidity for 18-20%, temperature be 86-88 DEG C, field intensity be Processed 1 hour in the corona field of 250-260kv/m；
（8）Pickling processes：The titanium alloy workpiece processed in corona field is being heated to 45 DEG C, pickling processes are then being carried out, located The time of reason is 3min, is then fully rinsed with the water for stopping boiling, and Acidwash solution is made up of following component by weight：Citric acid 2nd, sulfamic acid 1, sulfuric acid 4, glycine 0.5, water 80；
（9）Boil oiling dry：Workpiece after pickling processes is put into after boiling 3min in the pentaerythrite solution that mass concentration is 8% Take out, drying, immersion antirust oil carries out oiling, core intersection 0.05mm is air-dried after taking-up.
Further, the step（1）30 DEG C are preheated to before middle abrasive jet.
Further, the step（2）Middle ethylenediamine tetra-acetic acid, triethanolamine, prodan and water press 2:1:3:100 Mass ratio is configured to solution.
Further, the water for stopping boiling stops the clear water after heating 5min after being boiled for clear water.
The beneficial effects of the invention are as follows：By present invention process process titanium alloy surface is smooth, light, color is uniform, The defects such as nondiscolouring, non-scale, also, titanium alloy by present invention treatment can also greatly improve its inoxidizability and compacted Become performance, effectively refined surface microscopic tissue, the present invention is combined subsequently by carrying out 2 blasting treatments to titanium alloy surface Sided corona treatment, the effect of coordinated other process steps enables to titanium alloy surface that severe plastic deformation occurs so that brilliant Grain significantly refinement, and residual compressive stress is introduced, so that titanium alloy workpiece case hardness is significantly improved, it is after tested, right TC11 titanium alloys are 526HV by the surface highest hardness after present invention process treatment0.5More than.
Specific embodiment
Embodiment 1
A kind of titanium alloy surface handling process, comprises the following steps：
（1）Sandblasting：It is 60% that titanium alloy workpiece is put into relative air humidity, and temperature is placement 2 hours, abrasive material under 50 DEG C of environment Selection iron-sand, particle diameter is 1.2mm and 0.5mm, and it is 0.55MPa that pressure is sprayed when using 1.2mm abrasive materials, then using 0.5mm Abrasive material carries out second injection, and injection pressure is 0.66MPa, and nozzle to titanium alloy surface keeps the distance of 120mm, injection side Controlled at 25 ° to the angle with titanium alloy workpiece surface normal；
（2）Chemical treatment：Workpiece after sandblasting is put into ethylenediamine tetra-acetic acid, triethanolamine, prodan and water mixed preparing Solution in soak 30min；
（3）Rough polishing：Workpiece after immersion is carried out into rough polishing on polishing machine with the sand of 100 mesh；
（4）Beat thorn：Workpiece after rough polishing is carried out playing thorn treatment with thorn wheel；
（5）Fine polishing：The workpiece beaten after thorn carries out fine polishing with the sand of 150 mesh；
（6）Finishing polish：Workpiece after fine polishing carries out finishing polish with the sand of 500 mesh；
（7）Sided corona treatment：Workpiece after essence is thrown be placed on relative air humidity for 18%, temperature be 86 DEG C, field intensity be 250kv/m Corona field in process 1 hour；
（8）Pickling processes：The titanium alloy workpiece processed in corona field is being heated to 45 DEG C, pickling processes are then being carried out, located The time of reason is 3min, is then fully rinsed with the water for stopping boiling, and Acidwash solution is made up of following component by weight：Citric acid 2nd, sulfamic acid 1, sulfuric acid 4, glycine 0.5, water 80；
（9）Boil oiling dry：Workpiece after pickling processes is put into after boiling 3min in the pentaerythrite solution that mass concentration is 8% Take out, drying, immersion antirust oil carries out oiling, core intersection 0.05mm is air-dried after taking-up.
Embodiment 2
A kind of titanium alloy surface handling process, comprises the following steps：
（1）Sandblasting：It is 68% that titanium alloy workpiece is put into relative air humidity, and temperature is placement 2 hours, abrasive material under 54 DEG C of environment Selection iron-sand, particle diameter is 1.2mm and 0.5mm, and it is 0.58MPa that pressure is sprayed when using 1.2mm abrasive materials, then using 0.5mm Abrasive material carries out second injection, and injection pressure is 0.69MPa, and nozzle to titanium alloy surface keeps the distance of 120mm, injection side Controlled at 25 ° to the angle with titanium alloy workpiece surface normal；
（2）Chemical treatment：Workpiece after sandblasting is put into ethylenediamine tetra-acetic acid, triethanolamine, prodan and water mixed preparing Solution in soak 30min；
（3）Rough polishing：Workpiece after immersion is carried out into rough polishing on polishing machine with the sand of 100 mesh；
（4）Beat thorn：Workpiece after rough polishing is carried out playing thorn treatment with thorn wheel；
（5）Fine polishing：The workpiece beaten after thorn carries out fine polishing with the sand of 150 mesh；
（6）Finishing polish：Workpiece after fine polishing carries out finishing polish with the sand of 500 mesh；
（7）Sided corona treatment：Workpiece after essence is thrown be placed on relative air humidity for 20%, temperature be 88 DEG C, field intensity be 260kv/m Corona field in process 1 hour；
（8）Pickling processes：The titanium alloy workpiece processed in corona field is being heated to 45 DEG C, pickling processes are then being carried out, located The time of reason is 3min, is then fully rinsed with the water for stopping boiling, and Acidwash solution is made up of following component by weight：Citric acid 2nd, sulfamic acid 1, sulfuric acid 4, glycine 0.5, water 80；
（9）Boil oiling dry：Workpiece after pickling processes is put into after boiling 3min in the pentaerythrite solution that mass concentration is 8% Take out, drying, immersion antirust oil carries out oiling, core intersection 0.05mm is air-dried after taking-up.
Embodiment 3
A kind of titanium alloy surface handling process, comprises the following steps：
（1）Sandblasting：It is 64% that titanium alloy workpiece is put into relative air humidity, and temperature is placement 2 hours, abrasive material under 52 DEG C of environment Selection iron-sand, particle diameter is 1.2mm and 0.5mm, and it is 0.56MPa that pressure is sprayed when using 1.2mm abrasive materials, then using 0.5mm Abrasive material carries out second injection, and injection pressure is 0.68MPa, and nozzle to titanium alloy surface keeps the distance of 120mm, injection side Controlled at 25 ° to the angle with titanium alloy workpiece surface normal；
（2）Chemical treatment：Workpiece after sandblasting is put into ethylenediamine tetra-acetic acid, triethanolamine, prodan and water mixed preparing Solution in soak 30min；
（3）Rough polishing：Workpiece after immersion is carried out into rough polishing on polishing machine with the sand of 100 mesh；
（4）Beat thorn：Workpiece after rough polishing is carried out playing thorn treatment with thorn wheel；
（5）Fine polishing：The workpiece beaten after thorn carries out fine polishing with the sand of 150 mesh；
（6）Finishing polish：Workpiece after fine polishing carries out finishing polish with the sand of 500 mesh；
（7）Sided corona treatment：Workpiece after essence is thrown be placed on relative air humidity for 19%, temperature be 87 DEG C, field intensity be 255kv/m Corona field in process 1 hour；
（8）Pickling processes：The titanium alloy workpiece processed in corona field is being heated to 45 DEG C, pickling processes are then being carried out, located The time of reason is 3min, is then fully rinsed with the water for stopping boiling, and Acidwash solution is made up of following component by weight：Citric acid 2nd, sulfamic acid 1, sulfuric acid 4, glycine 0.5, water 80；
（9）Boil oiling dry：Workpiece after pickling processes is put into after boiling 3min in the pentaerythrite solution that mass concentration is 8% Take out, drying, immersion antirust oil carries out oiling, core intersection 0.05mm is air-dried after taking-up.
In above example：
The step（1）30 DEG C are preheated to before middle abrasive jet.
The step（2）Middle ethylenediamine tetra-acetic acid, triethanolamine, prodan and water press 2:1:3:100 mass ratio It is configured to solution.
The water for stopping boiling stops the clear water after heating 5min after being boiled for clear water.
Comparative example 1：Differed only in embodiment 1 carries out a blasting treatment only with 0.5mm abrasive materials.
Comparative example 2：Differed only in embodiment 1 and processed without corona field.
Using embodiment, comparative example method to TC11 titanium alloy titanium hardness tests：
Table 1
Embodiment 1 527
Embodiment 2 527
Embodiment 3 526
Comparative example 1 472
Comparative example 2 458
As can be seen from Table 1, present invention process can significantly improve titanium alloy surface hardness.
Detected through industry internal standard quasi-experiment, present invention process can improve titanium alloy tensile strength 2-4%.

Claims (4)

1. a kind of titanium alloy surface handling process, it is characterised in that comprise the following steps：
（1）Sandblasting：Titanium alloy workpiece is put into relative air humidity for 60-68%, temperature is small to place 2 under 50-54 DEG C of environment When, abrasive material selection iron-sand, particle diameter is 1.2mm and 0.5mm, and it is 0.55-0.58MPa that pressure is sprayed when using 1.2mm abrasive materials, so Second injection is carried out using 0.5mm abrasive materials afterwards, injection pressure is 0.66-0.69MPa, and nozzle keeps to titanium alloy surface The distance of 120mm, injection direction is controlled at 25 ° with the angle of titanium alloy workpiece surface normal；
（2）Chemical treatment：Workpiece after sandblasting is put into ethylenediamine tetra-acetic acid, triethanolamine, prodan and water mixed preparing Solution in soak 30min；
（3）Rough polishing：Workpiece after immersion is carried out into rough polishing on polishing machine with the sand of 100 mesh；
（4）Beat thorn：Workpiece after rough polishing is carried out playing thorn treatment with thorn wheel；
（5）Fine polishing：The workpiece beaten after thorn carries out fine polishing with the sand of 150 mesh；
（6）Finishing polish：Workpiece after fine polishing carries out finishing polish with the sand of 500 mesh；
（7）Sided corona treatment：By essence throw after workpiece be placed on relative air humidity for 18-20%, temperature be 86-88 DEG C, field intensity be Processed 1 hour in the corona field of 250-260kv/m；
（8）Pickling processes：The titanium alloy workpiece processed in corona field is being heated to 45 DEG C, pickling processes are then being carried out, located The time of reason is 3min, is then fully rinsed with the water for stopping boiling, and Acidwash solution is made up of following component by weight：Citric acid 2nd, sulfamic acid 1, sulfuric acid 4, glycine 0.5, water 80；
（9）Boil oiling dry：Workpiece after pickling processes is put into after boiling 3min in the pentaerythrite solution that mass concentration is 8% Take out, drying, immersion antirust oil carries out oiling, core intersection 0.05mm is air-dried after taking-up.
2. a kind of titanium alloy surface handling process according to claim 1, it is characterised in that the step（1）Middle abrasive material 30 DEG C are preheated to before injection.
3. a kind of titanium alloy surface handling process according to claim 1, it is characterised in that the step（2）Middle second two Amine tetraacethyl, triethanolamine, prodan and water press 2:1:3:100 mass ratio is configured to solution.
4. a kind of titanium alloy surface handling process according to claim 1, it is characterised in that the water for stopping boiling is clear water Stop the clear water after heating 5min after boiling.
CN201611196934.2A 2016-12-22 2016-12-22 A kind of titanium alloy surface handling process Pending CN106799679A (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110732978A (en) * 2019-11-07 2020-01-31 西安交通大学 sandblasting layer stripping method for removing damaged environmental barrier coating by combination of hammering and cutting
CN110977779A (en) * 2019-11-27 2020-04-10 西安庄信新材料科技有限公司 Surface sand blasting process for titanium plate
CN110977784A (en) * 2019-11-27 2020-04-10 西安庄信新材料科技有限公司 Surface sand blasting process for titanium plate
CN111001978A (en) * 2019-11-22 2020-04-14 西安庄信新材料科技有限公司 Surface grinding process for titanium strip
CN112226595A (en) * 2020-10-22 2021-01-15 仪征常众汽车部件有限公司 Heat treatment process for patch board
CN113305740A (en) * 2021-05-13 2021-08-27 上海交通大学 Method for improving surface smoothness of artificial joint casting
CN113561066A (en) * 2021-07-27 2021-10-29 燕山大学 Surface sand blasting method for zirconium and zirconium alloy
CN114800286A (en) * 2022-05-31 2022-07-29 西安焦视医疗器械有限责任公司 Post-processing device and method for 3D printing titanium alloy mirror frame

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110732978A (en) * 2019-11-07 2020-01-31 西安交通大学 sandblasting layer stripping method for removing damaged environmental barrier coating by combination of hammering and cutting
CN111001978A (en) * 2019-11-22 2020-04-14 西安庄信新材料科技有限公司 Surface grinding process for titanium strip
CN110977779A (en) * 2019-11-27 2020-04-10 西安庄信新材料科技有限公司 Surface sand blasting process for titanium plate
CN110977784A (en) * 2019-11-27 2020-04-10 西安庄信新材料科技有限公司 Surface sand blasting process for titanium plate
CN112226595A (en) * 2020-10-22 2021-01-15 仪征常众汽车部件有限公司 Heat treatment process for patch board
CN112226595B (en) * 2020-10-22 2022-06-14 仪征常众汽车部件有限公司 Heat treatment process for patch board
CN113305740A (en) * 2021-05-13 2021-08-27 上海交通大学 Method for improving surface smoothness of artificial joint casting
CN113561066A (en) * 2021-07-27 2021-10-29 燕山大学 Surface sand blasting method for zirconium and zirconium alloy
CN114800286A (en) * 2022-05-31 2022-07-29 西安焦视医疗器械有限责任公司 Post-processing device and method for 3D printing titanium alloy mirror frame
CN114800286B (en) * 2022-05-31 2024-03-08 西安华交兆睛医疗器械有限责任公司 Post-processing device and post-processing method for 3D printing titanium alloy mirror frame

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Application publication date: 20170606