CN107488494A - 一种动态缓蚀型水基全合成铝合金加工液 - Google Patents
一种动态缓蚀型水基全合成铝合金加工液 Download PDFInfo
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- CN107488494A CN107488494A CN201710632455.9A CN201710632455A CN107488494A CN 107488494 A CN107488494 A CN 107488494A CN 201710632455 A CN201710632455 A CN 201710632455A CN 107488494 A CN107488494 A CN 107488494A
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- working fluid
- aluminum alloy
- parts
- synthetic aluminum
- water base
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- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 33
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- 239000000203 mixture Substances 0.000 claims description 7
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- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 6
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- NAQMVNRVTILPCV-UHFFFAOYSA-N hexane-1,6-diamine Chemical compound NCCCCCCN NAQMVNRVTILPCV-UHFFFAOYSA-N 0.000 claims description 4
- ZXEKIIBDNHEJCQ-UHFFFAOYSA-N isobutanol Chemical compound CC(C)CO ZXEKIIBDNHEJCQ-UHFFFAOYSA-N 0.000 claims description 4
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- WWZKQHOCKIZLMA-UHFFFAOYSA-N octanoic acid Chemical compound CCCCCCCC(O)=O WWZKQHOCKIZLMA-UHFFFAOYSA-N 0.000 claims description 4
- YGSDEFSMJLZEOE-UHFFFAOYSA-N salicylic acid Chemical compound OC(=O)C1=CC=CC=C1O YGSDEFSMJLZEOE-UHFFFAOYSA-N 0.000 claims description 4
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 claims description 4
- HXKKHQJGJAFBHI-UHFFFAOYSA-N 1-aminopropan-2-ol Chemical compound CC(O)CN HXKKHQJGJAFBHI-UHFFFAOYSA-N 0.000 claims description 3
- GIAFURWZWWWBQT-UHFFFAOYSA-N 2-(2-aminoethoxy)ethanol Chemical compound NCCOCCO GIAFURWZWWWBQT-UHFFFAOYSA-N 0.000 claims description 3
- RVGRUAULSDPKGF-UHFFFAOYSA-N Poloxamer Chemical group C1CO1.CC1CO1 RVGRUAULSDPKGF-UHFFFAOYSA-N 0.000 claims description 3
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- CRVGTESFCCXCTH-UHFFFAOYSA-N methyl diethanolamine Chemical compound OCCN(C)CCO CRVGTESFCCXCTH-UHFFFAOYSA-N 0.000 claims description 3
- XNRNJIIJLOFJEK-UHFFFAOYSA-N sodium;1-oxidopyridine-2-thione Chemical compound [Na+].[O-]N1C=CC=CC1=S XNRNJIIJLOFJEK-UHFFFAOYSA-N 0.000 claims description 3
- OYWRDHBGMCXGFY-UHFFFAOYSA-N 1,2,3-triazinane Chemical group C1CNNNC1 OYWRDHBGMCXGFY-UHFFFAOYSA-N 0.000 claims description 2
- VUWCWMOCWKCZTA-UHFFFAOYSA-N 1,2-thiazol-4-one Chemical class O=C1CSN=C1 VUWCWMOCWKCZTA-UHFFFAOYSA-N 0.000 claims description 2
- UUGLSEIATNSHRI-UHFFFAOYSA-N 1,3,4,6-tetrakis(hydroxymethyl)-3a,6a-dihydroimidazo[4,5-d]imidazole-2,5-dione Chemical compound OCN1C(=O)N(CO)C2C1N(CO)C(=O)N2CO UUGLSEIATNSHRI-UHFFFAOYSA-N 0.000 claims description 2
- HBVZPVWFLGXUAU-UHFFFAOYSA-N 5-methyl-1,3-oxazolidine Chemical compound CC1CNCO1 HBVZPVWFLGXUAU-UHFFFAOYSA-N 0.000 claims description 2
- YPIFGDQKSSMYHQ-UHFFFAOYSA-N 7,7-dimethyloctanoic acid Chemical compound CC(C)(C)CCCCCC(O)=O YPIFGDQKSSMYHQ-UHFFFAOYSA-N 0.000 claims description 2
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 claims description 2
- 239000005635 Caprylic acid (CAS 124-07-2) Substances 0.000 claims description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 2
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- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 claims description 2
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 claims description 2
- UEEJHVSXFDXPFK-UHFFFAOYSA-N N-dimethylaminoethanol Chemical compound CN(C)CCO UEEJHVSXFDXPFK-UHFFFAOYSA-N 0.000 claims description 2
- GZKVWJAFXAUQFK-UHFFFAOYSA-N N1=CC=CC2=CC=CC=C12.CC=1NC=CN1 Chemical compound N1=CC=CC2=CC=CC=C12.CC=1NC=CN1 GZKVWJAFXAUQFK-UHFFFAOYSA-N 0.000 claims description 2
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- NYNKJVPRTLBJNQ-UHFFFAOYSA-N n'-(3-aminopropyl)-n'-dodecylpropane-1,3-diamine Chemical compound CCCCCCCCCCCCN(CCCN)CCCN NYNKJVPRTLBJNQ-UHFFFAOYSA-N 0.000 claims description 2
- QMHNQZGXPNCMCO-UHFFFAOYSA-N n,n-dimethylhexan-1-amine Chemical compound CCCCCCN(C)C QMHNQZGXPNCMCO-UHFFFAOYSA-N 0.000 claims description 2
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- 238000003672 processing method Methods 0.000 claims description 2
- ULWHHBHJGPPBCO-UHFFFAOYSA-N propane-1,1-diol Chemical class CCC(O)O ULWHHBHJGPPBCO-UHFFFAOYSA-N 0.000 claims description 2
- 150000003921 pyrrolotriazines Chemical class 0.000 claims description 2
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- 239000003242 anti bacterial agent Substances 0.000 claims 2
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 claims 2
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- 239000011734 sodium Substances 0.000 claims 2
- ZXVONLUNISGICL-UHFFFAOYSA-N 4,6-dinitro-o-cresol Chemical group CC1=CC([N+]([O-])=O)=CC([N+]([O-])=O)=C1O ZXVONLUNISGICL-UHFFFAOYSA-N 0.000 claims 1
- 239000005711 Benzoic acid Substances 0.000 claims 1
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- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims 1
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- 238000003860 storage Methods 0.000 description 3
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- 241000233866 Fungi Species 0.000 description 1
- 244000137852 Petrea volubilis Species 0.000 description 1
- 241001529481 Simian retrovirus 2 Species 0.000 description 1
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- ZZVUWRFHKOJYTH-UHFFFAOYSA-N diphenhydramine Chemical compound C=1C=CC=CC=1C(OCCN(C)C)C1=CC=CC=C1 ZZVUWRFHKOJYTH-UHFFFAOYSA-N 0.000 description 1
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- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000005088 metallography Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- LNOPIUAQISRISI-UHFFFAOYSA-N n'-hydroxy-2-propan-2-ylsulfonylethanimidamide Chemical compound CC(C)S(=O)(=O)CC(N)=NO LNOPIUAQISRISI-UHFFFAOYSA-N 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
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- HFQQZARZPUDIFP-UHFFFAOYSA-M sodium;2-dodecylbenzenesulfonate Chemical compound [Na+].CCCCCCCCCCCCC1=CC=CC=C1S([O-])(=O)=O HFQQZARZPUDIFP-UHFFFAOYSA-M 0.000 description 1
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- 150000003852 triazoles Chemical class 0.000 description 1
- XYRAEZLPSATLHH-UHFFFAOYSA-N trisodium methoxy(trioxido)silane Chemical compound [Na+].[Na+].[Na+].CO[Si]([O-])([O-])[O-] XYRAEZLPSATLHH-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M173/00—Lubricating compositions containing more than 10% water
- C10M173/02—Lubricating compositions containing more than 10% water not containing mineral or fatty oils
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/04—Ethers; Acetals; Ortho-esters; Ortho-carbonates
- C10M2207/046—Hydroxy ethers
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/10—Carboxylix acids; Neutral salts thereof
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/10—Carboxylix acids; Neutral salts thereof
- C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
- C10M2207/125—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids
- C10M2207/126—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids monocarboxylic
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
- C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2209/103—Polyethers, i.e. containing di- or higher polyoxyalkylene groups
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
- C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
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Abstract
本发明提供了一种动态缓蚀型水基全合成铝合金加工液,包括如下重量份数的组分:润滑剂10‑40份;碱值储备剂5‑20份;其他助剂15‑40份;水20‑60份。本发明所述的水基全合成铝合金加工液无毒无害、无污染,具有优异的润滑、冷却、清洗性能,环境友好,不含S、Cl极压剂,不含亚硝酸钠、酚类。碱储备较高,不含矿物油和植物油,有良好的抗菌抑菌性能,生物稳定性好,循环寿命长。
Description
技术领域
本发明属于金属加工液领域,尤其是涉及一种动态缓蚀型水基全合成铝合金加工液。
背景技术
铝合金在航空航天、汽车、机械设备等工业中广泛应用,但由于其强度较低,在加工过程中易出现粘连现象,影响表面质量及加工精度,此外,铝合金化学活性较强,在加工及储存过程中易出现工件氧化变色、黑白斑等问题。
金属加工液可以提供金属加工中的润滑、冷却、清洗、防锈等性能,提高刀具使用寿命及工件表面质量。其中,水基加工液具有一系列显著优势,首先,冷却性能优异,可快速带走金属加工过程产生的热量,减少粘连,提高加工速度;其次,与传统乳化液相比,水基全合成加工液不含矿物油和植物油,有良好的抗菌抑菌性能,不易腐败,生物稳定性更加优良;此外,绿色、节能、环保也是全合成水基加工液的突出特征。
然而,一般水基加工液对铝合金的润滑性能和缓蚀性能欠佳,特别是静态缓蚀性能及润滑性能缺乏良好的协同作用,体现在加工过程中的动态缓蚀性能不足。而一般测试方法对加工液的铝合金缓蚀性能评价只局限于基本的静态缓蚀性能,对其动态缓蚀性能鲜有涉及,无法对动态缓蚀性能进行有效的评价。在加工过程中,工件不断产生新鲜表面,很多静态缓蚀性能合格的水基全合成铝合金加工液无法在刀具和工件新鲜表面产生压力接触摩擦时对工件提供良好的动态缓蚀保护,使工件容易在加工过程中出现腐蚀发黑。
因此,研发具有良好动态缓蚀性能的水基全合成铝合金加工液具有重要的意义。
发明内容
有鉴于此,本发明旨在提出一种水基全合成铝合金加工液,以解决上述问题。
为达到上述目的,本发明的技术方案是这样实现的:
一种水基全合成铝合金加工液,包括如下重量份数的组分:
润滑剂10-40份,
碱值储备剂5-20份,
其他助剂15-40份,
水20-60份。
水的加入量以使所述全合成铝合金加工液能够维持稳定状态、并达到具有良好的流动性能为准,可根据需要进行调整和添加.
进一步的,所述润滑剂为环氧乙烷—环氧丙烷嵌段共聚物(EO-PO),优选地,所述环氧乙烷—环氧丙烷嵌段共聚物为分子量为1000-3500,浊点为30-55℃的嵌段聚醚。当EO-PO的分子量为1000-3500时,嵌段聚醚可兼具良好的润滑性与良好的水溶性;浊点为30-55℃可保证加工液有良好的储存稳定性,且在加工过程中在工件与刀具接触区形成可进行厚度控制的智能油膜,保证加工液良好的润滑性能。
进一步的,所述碱值储备剂选自乙醇胺、氢氧化钠、氢氧化钾、异丁醇胺、正丁胺、二异丙胺、二乙醇胺、三乙醇胺、异丙醇胺、二甲基乙醇胺、二甲基己胺、正丙醇胺、二异丙醇胺、N-甲基二乙醇胺、二甘醇胺、环己胺、二环己胺、二甲基癸叔胺、乙二胺、己二胺、正丁胺、三丁胺、三辛胺、吗啉中的至少一种;优选为乙醇胺、二乙醇胺、三乙醇胺、吗啉、N-甲基二乙醇胺、二甘醇胺、环己胺、异丙醇胺、正丙醇胺中的一种或两种以上的混合物。该类碱值储备剂可有效调节加工液的pH值和总碱度,并能在一定程度上增加体系稳定性与润滑性。
进一步的,所述其他助剂包括如下重量份数的一种或两种以上组分:腐蚀抑制剂10-25份,助溶剂0-15份,抗菌剂0.2-5份,消泡剂0.2-5份。
进一步的,所述腐蚀抑制剂为有机三元羧酸、碳酸盐、三嗪衍生物、1,2-二乙氧基硅酯基乙烷、石油磺酸盐、二硝基苯甲酸、硫代磷酸酯、季戊四醇酯、脂肪酸酰胺、十二烷基苯磺酸钠、甲基咪唑啉、甲基硅酸钠、硼酸酯、N-酰基氨基酸衍生物、醇醚磷酸酯、甲基苯并三氮唑、硝基苯并三氮唑、氨基磺酸中的一种或两种以上的混合物。使用该腐蚀抑制剂不仅对单种金属有良好的防锈缓蚀作用,还能有效减缓不同金属间的电偶腐蚀。
进一步的,所述助溶剂为正辛酸、异辛酸、正丁醇、异丁醇、吐温、水杨酸、丙三醇、乙二醇醚、丙二醇醚、异壬酸、癸二酸、异丙醇、新癸酸、丙二醇、乙二醇中的一种或两种以上的混合物。该类助溶剂可有效提高体系的稳定性,并在一定程度上提高加工液的润滑性。
进一步的,所述抗菌剂为六氢三嗪化合物、乙二醇二羟甲醚、异噻唑啉酮衍生物、月桂胺二亚丙基二胺、吡硫鎓钠、吡啶硫酮钠、3,3’亚甲基(5-甲基恶唑烷)、四羟甲基甘脲中的一种或两种以上的混合物。该抗菌剂可在较大pH范围内有效抑制细菌、真菌的生长,并对人体和环境未发现明显危害。
进一步的,所述消泡剂为聚醚-硅氧烷共聚物和/或聚硅氧烷。
进一步的,所述加工液的pH值为7.5-9.0。经过试验发现,若加工液PH<7.5,碱储备值过低,更易滋生腐败菌;而若PH>9.0,易对铝合金造成腐蚀,同时,对操作者皮肤有一定刺激性。
一种铝合金的加工方法,在铝合金加工过程中使用了上述水基全合成铝合金加工液。
相对于现有技术,本发明所述的水基全合成铝合金加工液具有以下优势:
(1)本发明的水基全合成铝合金加工液无毒无害、无污染,具有优异的润滑、冷却、清洗性能,环境友好,不含S、Cl极压剂,不含亚硝酸钠、酚类。碱储备较高,不含矿物油和植物油,有良好的抗菌抑菌性能,生物稳定性好,循环寿命长;
(2)本发明的加工液pH值较低,呈弱碱到中性,碱值温和、对人体友好,操作人员更易接受;
(3)本发明的加工液有优异的动态缓蚀性能,可在加工过程产生的工件新鲜表面与刀具产生压力接触摩擦时对工件表面起到良好的实时缓蚀保护作用,防止工件在加工过程中腐蚀发黑。
附图说明
图1是采用对比例1加工液所得动态缓蚀磨斑形貌图;
图2是采用对比例2加工液所得动态缓蚀磨斑形貌图;
图3是采用对比例3加工液所得动态缓蚀磨斑形貌图;
图4是采用实施例1加工液所得动态缓蚀磨斑形貌图;
图5是采用实施例2加工液所得动态缓蚀磨斑形貌图;
图6是采用实施例3加工液所得动态缓蚀磨斑形貌图;
图7是采用实施例4加工液所得动态缓蚀磨斑形貌图;
图8是采用实施例5加工液所得动态缓蚀磨斑形貌图;
具体实施方式
除有定义外,以下实施例中所用的技术术语具有与本发明所属领域技术人员普遍理解的相同含义。以下实施例中所用的试验试剂,如无特殊说明,均为常规生化试剂;所述实验方法,如无特殊说明,均为常规方法。
下面结合实施例来详细说明本发明。
1、加工液制备方法:
(1)在装有回流冷凝管、搅拌器和温度计的反应釜中加入去离子水、碱值储备剂和腐蚀抑制剂,搅拌升温至70℃,继续搅拌至完全溶解;
(2)移除热源,加入润滑剂、助溶剂,继续搅拌至体系均匀;
(3)持续搅拌至体系冷却至室温,加入杀菌剂和消泡剂搅拌均匀,即得到动态缓蚀型全合成铝合金加工液原液。
具体的,实施例1-6的加工液各组分及含量见表1。
表1实施例1-6加工液组成
对比例1-3的组分如下:
对比例1为空白例,为去离子水;
对比例2:商用半合成金属加工液马斯特TRIM SC550,采用去离子水稀释20倍后使用,稀释液pH值为9.4;
对比例3:商用全合成金属加工液Castrol Syntilo9913,采用去离子水稀释20倍后使用,稀释液pH值为7.5。
2、对实施例1-5和对比例1-3的动态缓蚀性能进行评价
1)评价方法和指标
使用的主要设备为多功能摩擦磨损试验机SRV-2,摩擦副:GCr15钢球-7A60铝盘;负载:20N;行程:2.5mm;频率:20Hz;温度:25℃;加工液浓度:5%(即将浓缩液原液使用去离子水稀释20倍)。
评价方法:
首先用1200号砂纸均匀打磨7A60铝盘表面,然后用酒精将其擦拭干净,先后将GCr15钢球及7A60铝盘固定在SRV试验机上,用滴管将待测液涂布到铝盘表面并保持接触区浸润,调整试验机参数到指定值,进行SRV摩擦磨损实验,实验时间为5min。
实验结束后,将铝盘在酒精中超声清洗10min,使用金相显微镜观察磨痕表面腐蚀情况并测量磨痕宽度,以对测试液动态缓蚀性能进行评价。
2)实验结果:见表2
表2实施例1-5和对比例1-3的磨痕腐蚀及磨痕宽度结果
配方 | pH值 | 磨痕宽度/mm | 磨痕腐蚀情况 |
实施例1 | 8.4 | 0.46 | 磨痕光亮,无腐蚀 |
实施例2 | 7.5 | 0.42 | 磨痕光亮,无腐蚀 |
实施例3 | 7.7 | 0.51 | 磨痕小部分发生腐蚀 |
实施例4 | 7.8 | 0.35 | 磨痕光亮,无腐蚀 |
实施例5 | 7.6 | 0.49 | 磨痕小部分发生轻微腐蚀 |
对比例1 | 7.3 | 2.10 | 磨痕整体严重腐蚀 |
对比例2 | 9.4 | 0.62 | 磨痕整体腐蚀,程度较浅 |
对比例3 | 7.5 | 0.87 | 磨痕大部分区域严重腐蚀 |
由表2可以看出,对比例2和3的商用加工液,其5wt%稀释液的在7A60铝盘表面的动态缓蚀效果较去离子水(见图1)有显著改善,主要体现在磨痕宽度大幅变小,且磨痕处腐蚀情况变好,然而对比例2和3的磨痕处仍整体或大部分发生腐蚀(见图2、图3),表明二者在铝件新鲜表面受到压力接触摩擦时没有起到足够的动态缓蚀保护作用,其中,由于对比例2是半合成加工液,含有一定的油性成分,动态缓蚀相对较好,腐蚀情况较轻。
而本发明实施例1-5所得加工液均表现出了良好的动态缓蚀效果,磨痕宽度不同程度地减小,其中,实施例4的磨痕宽度与对比例1相比减小近50%(见图7),且磨痕处腐蚀情况也得到显著改善,达到表面光亮完全无腐蚀(实施例1、2,见图4、5)或腐蚀面积减小(实施例3,见图6)或腐蚀程度较浅(实施例5,见图8)。由此可以基本解决铝件加工过程中动态缓蚀性能不足的问题,为加工过程中的铝件提供足够的动态缓蚀保护,保证铝加工件的光亮无腐蚀。
以上所述仅为本发明的较佳实施例而已,并不用以限制本发明,凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。
Claims (10)
1.一种动态缓蚀型水基全合成铝合金加工液,其特征在于:所述加工液包括如下重量份数的组分:
润滑剂 10-40份;
碱值储备剂 5-20份;
其他助剂 15-40份;
水 20-60份。
2.根据权利要求1所述的动态缓蚀型水基全合成铝合金加工液,其特征在于:所述润滑剂为环氧乙烷—环氧丙烷嵌段共聚物(EO-PO)。
3.根据权利要求2所述的动态缓蚀型水基全合成铝合金加工液,其特征在于:所述环氧乙烷—环氧丙烷嵌段共聚物为分子量为1000-3500,浊点为30-55℃的嵌段聚醚。
4.根据权利要求1所述的动态缓蚀型水基全合成铝合金加工液,其特征在于:所述碱值储备剂选自乙醇胺、氢氧化钠、氢氧化钾、异丁醇胺、正丁胺、二异丙胺、二乙醇胺、三乙醇胺、异丙醇胺、二甲基乙醇胺、二甲基己胺、正丙醇胺、二异丙醇胺、N-甲基二乙醇胺、二甘醇胺、环己胺、二环己胺、二甲基癸叔胺、乙二胺、己二胺、正丁胺、三丁胺、三辛胺、吗啉中的至少一种;优选为乙醇胺、二乙醇胺、三乙醇胺、吗啉、N-甲基二乙醇胺、二甘醇胺、环己胺、异丙醇胺、正丙醇胺中的一种或两种以上的混合物。
5.根据权利要求1所述的动态缓蚀型水基全合成铝合金加工液,其特征在于:所述其他助剂包括如下重量份数的一种或两种以上组分:腐蚀抑制剂10-25份,助溶剂0-15份,抗菌剂0.2-5份,消泡剂0.2-5份。
6.根据权利要求5所述的动态缓蚀型水基全合成铝合金加工液,其特征在于:所述腐蚀抑制剂为有机三元羧酸、碳酸盐、三嗪衍生物、1,2-二乙氧基硅酯基乙烷、石油磺酸盐、二硝基苯甲酸、硫代磷酸酯、季戊四醇酯、脂肪酸酰胺、十二烷基苯磺酸钠、甲基咪唑啉、甲基硅酸钠、硼酸酯、N-酰基氨基酸衍生物、醇醚磷酸酯、甲基苯并三氮唑、硝基苯并三氮唑、氨基磺酸中的一种或两种以上的混合物。
7.根据权利要求5所述的动态缓蚀型水基全合成铝合金加工液,其特征在于:所述助溶剂为正辛酸、异辛酸、正丁醇、异丁醇、吐温、水杨酸、丙三醇、乙二醇醚、丙二醇醚、异壬酸、癸二酸、异丙醇、新癸酸、丙二醇、乙二醇中的一种或两种以上的混合物。
8.根据权利要求5所述的动态缓蚀型水基全合成铝合金加工液,其特征在于:所述抗菌剂为六氢三嗪化合物、乙二醇二羟甲醚、异噻唑啉酮衍生物、月桂胺二亚丙基二胺、吡硫鎓钠、吡啶硫酮钠、3,3’亚甲基(5-甲基恶唑烷)、四羟甲基甘脲中的一种或两种以上的混合物。进一步的,所述消泡剂为聚醚-硅氧烷共聚物和/或聚硅氧烷。
9.根据权利要求1或5所述的动态缓蚀型水基全合成铝合金加工液,其特征在于:所述加工液的pH值为7.5-9.0。
10.一种铝合金的加工方法,其特征在于:,在铝合金加工过程中使用了权利要求1-9中任一所述的水基全合成铝合金加工液。
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