CN105970231A - Polishing solution for stainless steel workpiece - Google Patents

Polishing solution for stainless steel workpiece Download PDF

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Publication number
CN105970231A
CN105970231A CN201610606106.5A CN201610606106A CN105970231A CN 105970231 A CN105970231 A CN 105970231A CN 201610606106 A CN201610606106 A CN 201610606106A CN 105970231 A CN105970231 A CN 105970231A
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China
Prior art keywords
stainless steel
piece
steel work
polishing solution
steel workpiece
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CN201610606106.5A
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CN105970231B (en
Inventor
杨继平
刘黎明
张亮
丁殿强
石祥虎
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Beijing Power Machinery Institute
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Beijing Power Machinery Institute
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    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23FNON-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
    • C23F3/00Brightening metals by chemical means
    • C23F3/04Heavy metals
    • C23F3/06Heavy metals with acidic solutions

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • ing And Chemical Polishing (AREA)

Abstract

The invention discloses a polishing solution for a stainless steel workpiece. The polishing solution is prepared from 1-3 g/L of corrosion inhibitor A, 1-3 g/L of corrosion inhibitor B, 10-20 g/L of surfactant, 160-200 g/L of phosphoric acid, 80-120 g/L of hydrochloric acid and 40-80 g/L of nitric acid, wherein the corrosion inhibitor A is imidazole, and the corrosion inhibitor B is pyridine. The polishing solution is suitable for conducting chemical polishing processing on the stainless steel workpiece, the smoothness of the surface of the stainless steel workpiece is improved, the surface quality of the stainless steel workpiece is good, and the roughness of the surface of the stainless steel workpiece is decreased by 75%; in addition, the polishing solution does not cause too much damage to the surface of the stainless steel workpiece, and the surface removal rate of the stainless steel workpiece is not more than 0.1 mm.

Description

The polishing solution of stainless steel work-piece
Technical field
The present invention relates to the chemical polishing technology of stainless steel work-piece, particularly relate to be applicable to rustless steel The polishing solution of workpiece.
Background technology
At stainless steel work-piece manufacture field, selective laser fusing forming technique be one conventional Technology.This technology is applicable to manufacture the structural member that shape is sufficiently complex, small interior including having The complex structural member of runner.But the small inner flow passage manufactured by the fusing shaping of selective laser Surface can more bonding metallic particles, on the one hand these metallic particles can affect the stream of inner flow passage Dynamic resistance, it is also possible to come off, in turn results in the obstruction of inner flow passage.Accordingly, it would be desirable to design Plant polishing solution, the small inner flow passage manufactured by the fusing shaping of selective laser is carried out chemistry throwing Light, and then improve the fineness on small inner flow passage surface.
Summary of the invention
For above-mentioned technical problem, the present invention proposes a kind of throwing being applicable to stainless steel work-piece Light solution, it is capable of the chemical polishing to stainless steel work-piece, improves stainless steel work-piece table The fineness in face.
The technical scheme is that
The polishing solution of a kind of stainless steel work-piece, its component and each component are in polishing solution Content be:
Corrosion inhibiter A 1-3g/L;Corrosion inhibiter B 1-3g/L;Surfactant 10- 20g/L;Phosphatase 11 60-200g/L;Hydrochloric acid 80-120g/L;Nitric acid 40- 80g/L;Wherein corrosion inhibiter A is imidazoles, and corrosion inhibiter B is pyridine.
Preferably, in the polishing solution of described stainless steel work-piece, its component and each group Content point in polishing solution is:
Corrosion inhibiter A 2g/L,;Corrosion inhibiter B 2g/L;Surfactant 15g/L;Phosphoric acid 180g/L;Hydrochloric acid 100g/L;Nitric acid 60g/L.
Preferably, in the polishing solution of described stainless steel work-piece, described surfactant For methyl ether of cellulose.
Preferably, in the polishing solution of described stainless steel work-piece, described stainless steel work-piece For 0Cr17Ni4Cu4Nb stainless steel work-piece.
Preferably, in the polishing solution of described stainless steel work-piece, described stainless steel work-piece For 0Cr17Ni4Cu4Nb stainless steel work-piece.
The invention have the benefit that
The polishing solution of the present invention is suitable for stainless steel work-piece being carried out chemical polishing process, to carry The fineness on high stainless steel work-piece surface, the surface quality making stainless steel work-piece is good, rustless steel The roughness of surface of the work reduces 75%;And the surface to stainless steel work-piece is not caused excessive Injury, the face removal amount of stainless steel work-piece be less than 0.1mm.
Detailed description of the invention
Understandable for enabling the above-mentioned purpose of the present invention, feature and advantage to become apparent from, below The detailed description of the invention of the present invention is described in detail.
The invention provides the polishing solution of a kind of stainless steel work-piece, its component and each component Content in polishing solution is: corrosion inhibiter A 1-3g/L;Corrosion inhibiter B 1- 3g/L;Surfactant 10-20g/L;Phosphatase 11 60-200g/L;Hydrochloric acid 80- 120g/L;Nitric acid 40-80g/L;Wherein corrosion inhibiter A is imidazoles, and corrosion inhibiter B is pyridine.
In chemical polishing process, phosphoric acid can play dissolution, i.e. dissolves rustless steel work The metallic particles that part surface is bondd, again can be insoluble stainless steel work-piece Surface Creation one layer Phosphate conversion film, the excessive dissolution of stainless steel work-piece can be suppressed;Hydrochloric acid is used with nitric acid In remove stainless steel work-piece surface oxide-film, and have dissolving stainless steel work-piece surface glued The effect of the metallic particles of knot;Surfactant forms adsorption layer on stainless steel work-piece surface, Make solution impregnation piece surface, make polishing effectively carry out;Corrosion inhibiter A is imidazoles, can be passivated The nick point on stainless steel work-piece surface;Corrosion inhibiter B is pyridine, can be adsorbed on stainless steel work-piece Surface, control corrosion rate speed.
The polishing solution of the present invention is particularly suitable for processing the rustless steel work with small inner flow passage Part, polishing solution flows in small inner flow passage, dissolves and takes away inner flow passage surface bonding Metallic particles, thus reduce the roughness on inner flow passage surface;Inner flow passage is not made Becoming to damage too much, the surface removal amount of inner flow passage is less than 0.1mm.
Preferably, in the polishing solution of described stainless steel work-piece, its component and each component Content in polishing solution is: corrosion inhibiter A 2g/L,;Corrosion inhibiter B 2g/L;Surfactant 15g/L;Phosphatase 11 80g/L;Hydrochloric acid 100g/L;Nitric acid 60g/L。
Preferably, in the polishing solution of described stainless steel work-piece, described surfactant is Methyl ether of cellulose.
Preferably, in the polishing solution of described stainless steel work-piece, described stainless steel work-piece is 0 Cr17Ni4Cu4Nb stainless steel work-piece.The polishing solution of the present invention applies also for other models Stainless steel work-piece.
In order to further illustrate technical scheme, it is provided that three below embodiment.? In three below embodiment, all use selective laser fusing forming technique processing 0Cr17Ni4Cu4 Nb stainless steel work-piece, manufactures the stainless steel work-piece with small inner flow passage.
Embodiment one
Consisting of of the polishing solution that the present embodiment provides: corrosion inhibiter A 2g/L,;Corrosion inhibiter B 2g/L;Methyl ether of cellulose 15g/L;Phosphatase 11 80g/L;Hydrochloric acid 100g/L;Nitric acid 60g/L。
The polishing solution using the present embodiment to provide carries out chemical polishing to above-mentioned stainless steel work-piece Process.Polishing solution flows in the inner flow passage of stainless steel work-piece, polishes 2 under the conditions of 70 DEG C 0 minute, the small inner flow passage surface roughness of stainless steel work-piece was reduced to Ra3 from Ra12.7 μm .2 μm, and the surface removal amount of stainless steel work-piece is less than 0.1mm.
Embodiment two
Consisting of of the polishing solution that the present embodiment provides: corrosion inhibiter A 1g/L;Corrosion inhibiter B 1g/L;Surfactant 10g/L;Phosphatase 11 60g/L;Hydrochloric acid 80g/L;Nitric acid 40g/L。
The polishing solution using the present embodiment to provide carries out chemical polishing to above-mentioned stainless steel work-piece Process.Polishing solution flows in the inner flow passage of stainless steel work-piece, polishes 2 under the conditions of 70 DEG C 0 minute, the small inner flow passage surface roughness of stainless steel work-piece reduced 74%, and rustless steel The surface removal amount of workpiece is less than 0.1mm.
Embodiment three
Consisting of of the polishing solution that the present embodiment provides: corrosion inhibiter A 3g/L;Corrosion inhibiter B 3g/L;Surfactant 20g/L;Phosphoric acid 200g/L;Hydrochloric acid 120g/L;Nitric acid 80g/L。
The polishing solution using the present embodiment to provide carries out chemical polishing to above-mentioned stainless steel work-piece Process.Polishing solution flows in the inner flow passage of stainless steel work-piece, polishes 2 under the conditions of 70 DEG C 0 minute, the small inner flow passage surface roughness of stainless steel work-piece reduced 76%, and rustless steel The surface removal amount of workpiece is less than 0.1mm.
Although the present invention is open as above with preferred embodiment, but it is not for limiting this Bright, any those skilled in the art without departing from the spirit and scope of the present invention, can Making possible variation and amendment, therefore, protection scope of the present invention should be weighed with the present invention Profit requires to be defined in the range of standard.

Claims (5)

1. the polishing solution of a stainless steel work-piece, it is characterised in that its component and each group Content point in polishing solution is:
Corrosion inhibiter A 1-3g/L;Corrosion inhibiter B 1-3g/L;Surfactant 10- 20g/L;Phosphatase 11 60-200g/L;Hydrochloric acid 80-120g/L;Nitric acid 40- 80g/L;Wherein corrosion inhibiter A is imidazoles, and corrosion inhibiter B is pyridine.
2. the polishing solution of stainless steel work-piece as claimed in claim 1, it is characterised in that Its component and each component content in polishing solution is:
Corrosion inhibiter A 2g/L,;Corrosion inhibiter B 2g/L;Surfactant 15g/L;Phosphoric acid 180g/L;Hydrochloric acid 100g/L;Nitric acid 60g/L.
3. the polishing solution of stainless steel work-piece as claimed in claim 1 or 2, it is characterised in that , described surfactant is methyl ether of cellulose.
4. the polishing solution of stainless steel work-piece as claimed in claim 1 or 2, it is characterised in that , described stainless steel work-piece is OCr17Ni4Cu4Nb stainless steel work-piece.
5. the polishing solution of stainless steel work-piece as claimed in claim 3, it is characterised in that Described stainless steel work-piece is OCr17Ni4Cu4Nb stainless steel work-piece.
CN201610606106.5A 2016-07-28 2016-07-28 The polishing solution of stainless steel work-piece Active CN105970231B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610606106.5A CN105970231B (en) 2016-07-28 2016-07-28 The polishing solution of stainless steel work-piece

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Application Number Priority Date Filing Date Title
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CN105970231A true CN105970231A (en) 2016-09-28
CN105970231B CN105970231B (en) 2018-04-13

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019006685A1 (en) * 2017-07-04 2019-01-10 深圳市长宏泰科技有限公司 Polishing agent, stainless steel component, and polishing treatment method therefor

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5629673A (en) * 1979-05-25 1981-03-25 Solvay Steel chemical polishing bath
CN102888609A (en) * 2012-10-26 2013-01-23 南京大地冷冻食品有限公司 Stainless steel chemical polishing liquid

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5629673A (en) * 1979-05-25 1981-03-25 Solvay Steel chemical polishing bath
CN102888609A (en) * 2012-10-26 2013-01-23 南京大地冷冻食品有限公司 Stainless steel chemical polishing liquid

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019006685A1 (en) * 2017-07-04 2019-01-10 深圳市长宏泰科技有限公司 Polishing agent, stainless steel component, and polishing treatment method therefor
CN110809613A (en) * 2017-07-04 2020-02-18 深圳市长宏泰科技有限公司 Polishing agent, stainless steel part and polishing treatment method thereof

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