CN103757637A - Stainless steel chemical polishing agent and polishing method - Google Patents
Stainless steel chemical polishing agent and polishing method Download PDFInfo
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- CN103757637A CN103757637A CN201410038154.XA CN201410038154A CN103757637A CN 103757637 A CN103757637 A CN 103757637A CN 201410038154 A CN201410038154 A CN 201410038154A CN 103757637 A CN103757637 A CN 103757637A
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Abstract
The invention discloses a stainless steel chemical polishing agent and a polishing method. The stainless steel chemical polishing agent consists of 100 to 150 ml/L of analytic pure hydrochloric acid, 50 to 100 g/L of analytic pure oxalic acid, 30 to 50 ml/L of analytic pure hydrofluoric acid, 5 g/L of polyacrylamide, 250 ml/L of 30 volume percent hydrogen peroxide, 200 ml/L of absolute ethyl alcohol, and the balance of distilled water. The stainless steel chemical polishing agent and the polishing method have the advantages that (1) the polishing effect is good, and the polishing speed is easy to control; (2) the polishing agent is easy to prepare, the preparation process is safe and pollution-free; (3) the polishing agent is convenient to carry, the requirement for on-site metallographic production use can be met, and the polishing time is saved.
Description
Technical field
The present invention relates to a kind of stainless steel chemical polishing agent and finishing method.
Background technology
Metallurgical analysis technology is a kind of routine inspection method of metallic substance inner quality of evaluating according to relevant standard and regulation, relates to a kind of requisite means in metallic substance production, use and scientific research.On-the-spot metallographic is that parts to be checked are not sampled and directly on parts, made, and on-the-spot metallographic making step mainly contains: polishing, polishing, erosion and observation etc.The object of polishing is the polishing scratch of removing on metallographic flour milling, obtains smooth sightingpiston, and the height of quality of finish has directly determined the quality of metallographic detection faces.Polishing mainly contains mechanical polishing, chemical rightenning and electropolishing, chemical rightenning is by chemical reagent, the selective dissolution effect in the uneven region of sample surfaces to be eliminated polishing scratch, corroded a kind of method of leveling, it is simple to operate, need to be by mechanical means, on-the-spot fitness is high, easy to carry, be very suitable for on-the-spot metallographic and make use.
Stainless steel hardness is lower, the metal that belongs to more difficult polishing, traditional method is the mode with mechanical polishing and electropolishing, but scene does not often satisfy the requirements, mechanical polishing and electropolishing mode cannot be used, therefore, the on-the-spot making of the metallographic to parts of stainless steel, polishing mode selects chemical rightenning more for convenience.
Summary of the invention
The deficiency existing for solving prior art, the invention discloses a kind of stainless steel chemical polishing agent and finishing method, can meet on-the-spot metallographic and make the condition requiring, this stainless steel chemical polishing agent has that polishing effect is good, polishing velocity is easily controlled, rumbling compound configures simple advantage.
For achieving the above object, concrete scheme of the present invention is as follows:
A kind of stainless steel chemical polishing agent, by analytical pure hydrochloric acid, analytical pure oxalic acid, analytical pure hydrofluoric acid, polyacrylamide, hydrogen peroxide, ethanol and distilled water, formed, every liter of each component ratio of chemical rightenning agent solution is as follows: analytical pure hydrochloric acid 100ml/L～150ml/L, analytical pure oxalic acid 50g/L～100g/L, analytical pure hydrofluoric acid 30ml/L～50ml/L, polyacrylamide 5g/L, the hydrogen peroxide 250ml/L of 30% volume fraction, dehydrated alcohol 200ml/L, distilled water surplus.
As preferably, every liter of described each component ratio of chemical rightenning agent solution is as follows: analytical pure hydrochloric acid 150ml/L, analytical pure oxalic acid 100g/L, analytical pure hydrofluoric acid 50ml/L, polyacrylamide 5g/L, the hydrogen peroxide 250ml of 30% volume fraction, dehydrated alcohol 200ml, distilled water surplus.
A compound method for stainless steel chemical polishing agent, take 100ml solution preparation as example, comprises the following steps:
Step 1: measure 35～42ml distilled water and 20ml dehydrated alcohol with graduated cylinder respectively, pour in plastics reagent bottle;
Step 2: measure respectively hydrogen peroxide 250ml and the analytical pure hydrochloric acid 10～15ml of 30% volume fraction with graduated cylinder, add respectively in plastics reagent bottle, add rear use to stir;
Step 3: weigh in the balance respectively and get analytical pure oxalic acid 5～10g and 0.5g polyacrylamide, add in plastics reagent bottle, stir;
Step 4: measure analytical pure hydrofluoric acid 3～5ml with plastic cylinder, slowly add in plastics reagent bottle, stir with sticking plaster.
A stainless steel chemical polishing agent finishing method, comprises the following steps:
(1) the good chemical brightening solution of proportional arrangement as requested;
(2) with tweezers, clamp absorbent cotton, dip 3～5ml chemical polishing agent, on stainless steel metallographic flour milling to be checked, evenly firmly wiping, constantly observes specimen surface cut changing conditions;
(3) the wiping time is controlled at 15～30s, when observing the cut of metallographic flour milling, fades away, and with raw spirit, metallographic flour milling is rinsed well and is dried up.
Beneficial effect of the present invention:
(1) polishing effect is good, and polishing velocity is easily controlled; (2) rumbling compound preparation is simple, process for preparation safety non-pollution; (3) easy to carry, can meet on-the-spot metallographic and make the requirement of using, save polishing time.
Embodiment:
This example is to prepare 100ml chemical polishing agent the present invention is described in detail.
Embodiment 1
Chemical polishing agent is comprised of hydrochloric acid, oxalic acid, hydrofluoric acid, polyacrylamide, hydrogen peroxide, ethanol and distilled water, the volume of each component is respectively: analytical pure hydrochloric acid 15ml, analytical pure oxalic acid 10g, analytical pure hydrofluoric acid 5ml, polyacrylamide 0.5g, hydrogen peroxide 25ml, dehydrated alcohol 20ml, distilled water 35ml.
Finishing method is as follows: (1) configures chemical brightening solution according to aforementioned proportion; (2) with tweezers, clamp absorbent cotton, dip appropriate chemical polishing agent, evenly firmly wiping on stainless steel metallographic flour milling to be checked, and constantly observe specimen surface cut changing conditions; (3) the wiping time is controlled at 15～20s, when observing the cut of metallographic flour milling, fades away, and with raw spirit, metallographic flour milling is rinsed well and is dried up.(4) complete chemical rightenning program, reaching under the prerequisite of equal polishing effect, polishing time shortens greatly than mechanical polishing, has improved the working efficiency to the on-the-spot metallographic examination of parts of stainless steel.
Embodiment 2:
Chemical polishing agent is comprised of hydrochloric acid, oxalic acid, hydrofluoric acid, polyacrylamide, hydrogen peroxide, ethanol and distilled water, the volume of each component is respectively: analytical pure hydrochloric acid 10ml, analytical pure oxalic acid 8g, analytical pure hydrofluoric acid 5ml, polyacrylamide 0.5g, hydrogen peroxide 25ml, dehydrated alcohol 20ml, distilled water 40ml.
Finishing method is as follows: (1) configures chemical brightening solution according to aforementioned proportion; (2) with tweezers, clamp absorbent cotton, dip appropriate chemical polishing agent, evenly firmly wiping on stainless steel metallographic flour milling to be checked, and constantly observe specimen surface cut changing conditions;
(3) the wiping time is controlled at 25～30s, when observing the cut of metallographic flour milling, fades away, and with raw spirit, metallographic flour milling is rinsed well and is dried up.(4) complete chemical rightenning program, reaching under the prerequisite of equal polishing effect, polishing time shortens greatly than mechanical polishing, has improved the working efficiency to the on-the-spot metallographic examination of parts of stainless steel.
Embodiment 3
Chemical polishing agent is comprised of hydrochloric acid, oxalic acid, hydrofluoric acid, polyacrylamide, hydrogen peroxide, ethanol and distilled water, the volume of each component is respectively: analytical pure hydrochloric acid 15ml, analytical pure oxalic acid 10g, analytical pure hydrofluoric acid 3ml, polyacrylamide 0.5g, hydrogen peroxide 25ml, dehydrated alcohol 20ml, distilled water 37ml.
Finishing method is as follows: (1) configures chemical brightening solution according to aforementioned proportion; (2) with tweezers, clamp absorbent cotton, dip appropriate chemical polishing agent, evenly firmly wiping on stainless steel metallographic flour milling to be checked, and constantly observe specimen surface cut changing conditions;
(3) the wiping time is controlled at 20～25s, when observing the cut of metallographic flour milling, fades away, and with raw spirit, metallographic flour milling is rinsed well and is dried up.(4) complete chemical rightenning program, reaching under the prerequisite of equal polishing effect, polishing time shortens greatly than mechanical polishing, has improved the working efficiency to the on-the-spot metallographic examination of parts of stainless steel.
As shown in table 1, mechanical polishing and chemical rightenning contrast, visible, are reaching under the prerequisite of equal polishing effect, and polishing time shortens greatly than mechanical polishing, have improved the working efficiency to the on-the-spot metallographic examination of parts of stainless steel.
Table 1
Claims (4)
1. a stainless steel chemical polishing agent, it is characterized in that, by analytical pure hydrochloric acid, analytical pure oxalic acid, analytical pure hydrofluoric acid, polyacrylamide, hydrogen peroxide, ethanol and distilled water, formed, every liter of each component ratio of chemical rightenning agent solution is as follows: analytical pure hydrochloric acid 100ml/L～150ml/L, analytical pure oxalic acid 50g/L～100g/L, analytical pure hydrofluoric acid 30ml/L～50ml/L, polyacrylamide 5g/L, the hydrogen peroxide 250ml/L of 30% volume fraction, dehydrated alcohol 200ml/L, distilled water surplus.
2. a kind of stainless steel chemical polishing agent as claimed in claim 1, it is characterized in that, as preferably, every liter of described each component ratio of chemical rightenning agent solution is as follows: analytical pure hydrochloric acid 150ml/L, analytical pure oxalic acid 100g/L, analytical pure hydrofluoric acid 50ml/L, polyacrylamide 5g/L, the hydrogen peroxide 250ml of 30% volume fraction, dehydrated alcohol 200ml, distilled water surplus.
3. the compound method of a kind of stainless steel chemical polishing agent as claimed in claim 1, is characterized in that, comprises the following steps:
Step 1: measure 3～5ml distilled water and 20ml raw spirit with graduated cylinder respectively, pour in plastics reagent bottle;
Step 2: measure 30% hydrogen peroxide 20～30ml and analytical pure hydrochloric acid 10～15ml with graduated cylinder respectively, add respectively in plastics reagent bottle, add rear use to stir;
Step 3: weigh in the balance respectively and get analytical pure oxalic acid 5～10g and 0.5g polyacrylamide, add in plastics reagent bottle, stir;
Step 4: measure analytical pure hydrofluoric acid 3～5ml with plastic cylinder, slowly add in plastics reagent bottle, stir with sticking plaster.
4. the finishing method of a kind of stainless steel chemical polishing agent as claimed in claim 1, is characterized in that, comprises the following steps:
(1) the good chemical brightening solution of proportional arrangement as requested;
(2) with tweezers, clamp absorbent cotton, dip 3～5ml chemical polishing agent, on stainless steel metallographic flour milling to be checked, evenly firmly wiping, constantly observes specimen surface cut changing conditions;
(3) the wiping time is controlled at 15～30s, when observing the cut of metallographic flour milling, fades away, and with raw spirit, metallographic flour milling is rinsed well and is dried up.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104213123A (en) * | 2014-09-22 | 2014-12-17 | 无锡贺邦金属制品有限公司 | Stainless steel material polishing solution and preparation method thereof |
| CN104313588A (en) * | 2014-09-22 | 2015-01-28 | 无锡贺邦金属制品有限公司 | Polishing fluid for polishing stainless steel product and preparation method thereof |
| CN104962917A (en) * | 2015-05-14 | 2015-10-07 | 洛阳理工学院 | Part deburring liquid and deburring method |
| CN105543850A (en) * | 2015-12-07 | 2016-05-04 | 国网山东省电力公司电力科学研究院 | Chemical polishing agent and power station boiler heating surface tube metallography on-site detection method |
| CN108149252A (en) * | 2018-01-10 | 2018-06-12 | 童庭红 | A kind of Steel Chemical polishing fluid and its application |
| CN109111859A (en) * | 2018-10-30 | 2019-01-01 | 秦皇岛市大龙建材有限公司 | Glass polishing solution |
| CN110205670A (en) * | 2019-07-10 | 2019-09-06 | 二重（德阳）重型装备有限公司 | Rust inhibition nickel-base alloy electrolytic polishing liquid and its polishing method |
| CN113913826A (en) * | 2021-08-30 | 2022-01-11 | 振石集团东方特钢有限公司 | Stainless steel metallographic corrosive agent capable of replacing picric acid and display method thereof |
| CN116411289A (en) * | 2023-03-10 | 2023-07-11 | 福建省龙氟新材料有限公司 | Method for preparing hydrofluoric acid by recycling fluosilicic acid |
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| EP1793016A1 (en) * | 2005-12-01 | 2007-06-06 | Elpochem AG | Polishing and deburring composition for workpieces of carbon steel and method of chemical polishing and deburring |
| CN102585706A (en) * | 2012-01-09 | 2012-07-18 | 清华大学 | Acidic chemical and mechanical polishing composition |
| CN103436886A (en) * | 2013-07-30 | 2013-12-11 | 国家电网公司 | Chemical polishing agent applicable to tower material polishing and use method |
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| EP1793016A1 (en) * | 2005-12-01 | 2007-06-06 | Elpochem AG | Polishing and deburring composition for workpieces of carbon steel and method of chemical polishing and deburring |
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| CN103436886A (en) * | 2013-07-30 | 2013-12-11 | 国家电网公司 | Chemical polishing agent applicable to tower material polishing and use method |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104213123A (en) * | 2014-09-22 | 2014-12-17 | 无锡贺邦金属制品有限公司 | Stainless steel material polishing solution and preparation method thereof |
| CN104313588A (en) * | 2014-09-22 | 2015-01-28 | 无锡贺邦金属制品有限公司 | Polishing fluid for polishing stainless steel product and preparation method thereof |
| CN104313588B (en) * | 2014-09-22 | 2016-08-31 | 东莞市德硕化工有限公司 | Polishing fluid for polishing stainless steel goods and preparation method thereof |
| CN104962917A (en) * | 2015-05-14 | 2015-10-07 | 洛阳理工学院 | Part deburring liquid and deburring method |
| CN105543850A (en) * | 2015-12-07 | 2016-05-04 | 国网山东省电力公司电力科学研究院 | Chemical polishing agent and power station boiler heating surface tube metallography on-site detection method |
| CN108149252A (en) * | 2018-01-10 | 2018-06-12 | 童庭红 | A kind of Steel Chemical polishing fluid and its application |
| CN109111859A (en) * | 2018-10-30 | 2019-01-01 | 秦皇岛市大龙建材有限公司 | Glass polishing solution |
| CN110205670A (en) * | 2019-07-10 | 2019-09-06 | 二重（德阳）重型装备有限公司 | Rust inhibition nickel-base alloy electrolytic polishing liquid and its polishing method |
| CN113913826A (en) * | 2021-08-30 | 2022-01-11 | 振石集团东方特钢有限公司 | Stainless steel metallographic corrosive agent capable of replacing picric acid and display method thereof |
| CN116411289A (en) * | 2023-03-10 | 2023-07-11 | 福建省龙氟新材料有限公司 | Method for preparing hydrofluoric acid by recycling fluosilicic acid |
| CN116411289B (en) * | 2023-03-10 | 2023-11-17 | 福建省龙氟新材料有限公司 | Method for preparing hydrofluoric acid by recycling fluosilicic acid |
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