1、_6$(7HFKQLFDO6WDQGDUGV%RDUG5XOHVSURYLGHWKDW7KLVUHSRUWLVSX EOLVKHGE6$(WRDGYDQFHWKHVWDWHRIWHFKQLFDO and engineering sciences. The use of this report is entirely voluntary, and its applicability and suitability for any particular use, including any patent infringement arising therefrom, LVWKHVROHUHVSRQ
2、VLELOLWRIWKHXVHUSAE reviews each technical report at least every five years at which time it may be revised, reaffirmed, stabilized, or cancelled. SAE invites your written comments and suggestions.Copyright 2017 SAE InternationalAll rights reserved. No part of this publication may be reproduced, sto
3、red in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of SAE.TO PLACE A DOCUMENT ORDER: Tel: 877-606-7323 (inside USA and Canada)Tel: +1 724-776-4970 (outside USA)Fax: 724-776-0790Ema
4、il: CustomerServicesae.orgSAE WEB ADDRESS: http:/www.sae.orgSAE values your input. To provide feedback on thisTechnical Report, please visithttp:/standards.sae.org/AMS1551AAEROSPACEMATERIAL SPECIFICATIONAMS1551REV. AIssued 1995-11Revised 2008-03Reaffirmed 2017-04Superseding AMS1551Cleaner, Turbine E
5、ngine Gas PathAqueous TypeRATIONALEAMS1551A has been reaffirmed to comply with the SAE Five-Year Review policy.1. SCOPE 1.1 Form This specification covers petroleum distillate-free cleaner in the form of an aqueous-base liquid concentrate or a ready-to-use liquid. 1.2 Application This cleaner has be
6、en used typically for cleaning installed turbine engines by spraying diluted cleaner or ready-to-use cleaner into the intake during either a starter crank operation or on-line engine cleaning in accordance with the engine manufacturers procedure, but usage is not limited to such applications. 1.3 Cl
7、assification Cleaner conforming to this specification is classified as follows: Class 1: Liquid concentrate Class 2: Ready-to-use liquid 1.3.1 Class 1 shall be supplied unless Class 2 is ordered. 1.4 Dilution Water Requirements Water used for dilution of the concentrate or during engine wash operati
8、ons shall meet the requirements specified by the engine manufacturer. 1.5 Safety - Hazardous Materials While the materials, methods, applications, and processes described or referenced in this specification may involve the use of hazardous materials, this specification does not address the hazards w
9、hich may be involved in such use. It is the sole responsibility of the user to ensure familiarity with the safe and proper use of any hazardous materials and to take necessary precautionary measures to ensure the health and safety of all personnel involved. 2. APPLICABLE DOCUMENTS The issue of the f
10、ollowing documents in effect on the date of the purchase order forms a part of this specification to the extent specified herein. The supplier may work to a subsequent revision of a document unless a specific document issue is specified. When the referenced document has been cancelled and no superse
11、ding document has been specified, the last published issue of that document shall apply. 2.1 SAE Publications Available from SAE International, 400 Commonwealth Drive, Warrendale, PA 15096-0001, Tel: 877-606-7323 (inside USA and Canada) or 724-776-4970 (outside USA), www.sae.org. AMS2416 Plating, Ni
12、ckel-Cadmium, Diffused AMS2470 Anodic Treatment of Aluminum Alloys, Chromic Acid Process AMS2475 Protective Treatments, Magnesium Alloys AMS4025 Aluminum Alloy, Sheet and Plate, 1.0Mg - 0.60Si - 0.28Cu - 0.20Cr (6061-0), Annealed AMS4037 Aluminum Alloy, Sheet and Plate, 4.4Cu - 1.5Mg - 0.60Mn (2024;
13、 -T3 Flat Sheet, -T351 Plate), Solution Heat Treated AMS4041 Aluminum Alloy, Alclad Sheet and Plate, 4.4Cu - 1.5Mg - 0.60Mn, Alclad 2024 and 1-1/2% Alclad 2024, -T3 Flat Sheet; 1-1/2% Alclad 2024-T351 Plate AMS4045 Aluminum Alloy Sheet and Plate, 5.6Zn - 2.5Mg - 1.6Cu - 0.23Cr, 7075: (-T6 Sheet, -T6
14、51 Plate), Solution and Precipitation Heat Treated AMS4049 Aluminum Alloy, Sheet and Plate, Alclad, 5.6Zn - 2.5Mg - 1.6Cu - 0.23Cr (Alclad 7075; -T6 Sheet, -T651 Plate), Solution and Precipitation Heat Treated AMS4376 Plate, Magnesium Alloy, 3.0Al - 1.0Zn - 0.20Mn (AZ31B-H26), Cold Rolled and Partia
15、lly Annealed AMS4911 Titanium Alloy, Sheet, Strip, and Plate, 6Al - 4V, Annealed AMS4916 Titanium Alloy Sheet, Strip, and Plate, 8Al - 1Mo - 1V, Duplex Annealed AMS5040 Steel, Sheet and Strip, 0.15 Carbon, Maximum, Deep Forming Grade AMS5045 Steel, Sheet and Strip, 0.25 Carbon, Maximum, Hard Temper
16、AMS5046 Carbon Steel, Sheet, Strip, and Plate, (SAE 1020 and 1025), Annealed AMS5504 Steel, Corrosion and Heat-Resistant, Sheet, Strip, and Plate, 12.5Cr (SAE 51410), Annealed AMS5510 Steel, Corrosion and Heat-Resistant, Sheet, Strip and Plate, 18Cr - 10.5Ni - 0.40Ti (SAE 30321), Solution Heat Treat
17、ed AMS5536 Nickel Alloy, Corrosion and Heat-Resistant, Sheet, Strip, and Plate, 47.5Ni - 22Cr - 1.5Co - 9.0Mo - 0.60W - 18.5Fe, Solution Heat Treated AMS5544 Nickel Alloy, Corrosion and Heat Resistant, Sheet, Strip, and Plate, 57Ni - 19.5Cr -13.5Co - 4.2Mo - 3.0Ti - 1.4Al - 0.05Zr - 0.006B, Consumab
18、le Electrode or Vacuum Induction Melted, AnnealedAMS5608 Cobalt Alloy, Corrosion and Heat Resistant, Sheet, Strip, and Plate, 40Co - 22Cr - 22Ni - 14.5W - 0.07La, Solution Heat Treated AMS7267 Rings, Sealing, Silicone (VSI) Rubber, Heat-Resistant, Low Compression Set, 70 - 80 AMS7271 Rings, Sealing,
19、 Butadiene-Acrylonitrile (NBR) Rubber, Fuel and Low Temperature Resistant, 60 - 70 AMS7273 Rings, Sealing, Fluorosilicone (FVMQ) Rubber, High Temperature Fuel and Oil Resistant, 70 - 80 AMS7276 Rings, Sealing, Fluorocarbon (FKM) Rubber, High-Temperature-Fluid Resistant, Low Compression Set, 70 to 80
20、 ARP1755 Effect of Cleaning Agents on Aircraft Engine Materials, Stock Loss Test Method SAE INTERNATIONAL AMS1551A Page 2 of 11_2.2 ASTM Publications Available from ASTM International, 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19428-2959, Tel: 610-832-9585, www.astm.org. ASTM D 93
21、Flash Point by Pensky-Martens Closed Tester ASTM D 445 Kinematic Viscosity of Transparent and Opaque Liquids (and the Calculation of Dynamic Viscosity) ASTM D 1141 Substitute Ocean Water ASTM D 1193 Reagent Water ASTM D 1568 Sampling and Chemical Analysis of Alkylbenzene Sulfonates ASTM D 2240 Rubbe
22、r Property - Durometer Hardness ASTM D 2667 Biodegradability of Alkylbenzene Sulfonates ASTM D 4191 Sodium in Water by Atomic Absorption Spectrophotometry ASTM D 4192 Potassium in Water by Atomic Absorption Spectrophotometry ASTM E 70 pH of Aqueous Solutions with the Glass Electrode ASTM E 442 Chlor
23、ine, Bromine, or Iodine in Organic Compounds by Oxygen Flask Combustion ASTM F 483 Total Immersion Corrosion Test for Aircraft Maintenance Chemicals ASTM F 484 Stress Crazing of Acrylic Plastics in Contact with Liquid or Semi-Liquid Compounds ASTM F 502 Effects of Cleaning and Chemical Maintenance M
24、aterials on Painted Aircraft Surfaces ASTM F 519 Mechanical Hydrogen Embrittlement Testing of Plating Processes and Aircraft Maintenance ChemicalsASTM F 945 Stress-Corrosion of Titanium Alloys by Aircraft Engine Cleaning Materials ASTM F 1104 Preparing Aircraft Cleaning Compounds, Liquid Type, Water
25、 Base, for Storage Stability Testing ASTM F 1110 Sandwich Corrosion Test 2.3 U.S. Government Publications Available from the Document Automation and Production Service (DAPS), Building 4/D, 700 Robbins Avenue, Philadelphia, PA 19111-5094, Tel: 215-697-6257, http:/assist.daps.dla.mil/quicksearch/.MIL
26、-P-25690 Plastic Sheets and Parts, Modified Acrylic Base, Crack Propagation Resistant MIL-C-81751 Coating, Metallic Ceramic 3. TECHNICAL REQUIREMENTS 3.1 Composition Shall be optional with the manufacturer but should contain water, biodegradable surfactants, and other additives as required to produc
27、e a homogeneous product meeting the requirements of 3.1.1 and 3.2. The compound shall contain no known or suspected human carcinogens, heavy metals, hydrocarbon solvents, phenol, or cresol. 3.1.1 Element Content Cleaner shall not exceed the concentrations shown in Table 1, determined in accordance w
28、ith specified test methods. SAE INTERNATIONAL AMS1551A Page 3 of 11_TABLE 1 - COMPOSITION ElementConcentrationppm by Weight Class 1 Concentrationppm by Weight Class 2 TestMethodSulfurChlorineSodiumPotassium PhosphorusOther Metals, max 50010050 50 50 10 10020 10 10 10 2 IPC-AESASTM E 442 ASTM D 4191
29、(AAS) ASTM D 4192 (AAS) ICP-AESICP-AES3.1.1.1 Class 1 cleaner shall be diluted to 10% by weight in ASTM D 1193, Type III, water for inductively coupled plasma-atomic emission spectroscopy (ICP-AES) and atomic absorption spectroscopy (AAS). Class 1 cleaner results are to be calculated and reported in
30、 terms of the undiluted cleaner. For Class 2 cleaner, no dilution shall be used. 3.2 Properties Cleaner shall conform to the following requirements; tests shall be performed in accordance with specified test methods on cleaner as supplied except as otherwise specified herein: 3.2.1 Cleaner As Suppli
31、ed 3.2.1.1 Ash Content Shall not exceed 0.05% by weight for Class 1 and shall not exceed 0.01% by weight for Class 2, determined in accordance with 3.2.1.1.1. 3.2.1.1.1 Using a balance accurate to 0.1 mg, weigh approximately 10 grams cleaner into a tared porcelain crucible. Heat crucible for 24 hour
32、s 0.5 at 105 C 5 (221 F 9) plus an additional 24 hours 0.5 at 464 F 9 (240 C 5). Heat crucible in a Bunsen-type gas flame, ignite the contents, and heat for 10 minutes 0.1. Heat crucible in a muffle furnace for 2 hours 0.1 at 1904 F 54 (1040 C 30), cool in a desiccator, and weigh residue. Ash conten
33、t is the residue expressed as a percentage of the initial sample weight. 3.2.1.2 Biodegradability Vendor shall supply evidence that surfactants used in the compound shall be at least 90% biodegradable, determined in accordance with ASTM D 2667 or other method appropriate to surfactant type. 3.2.1.3
34、Flash Point Shall be not lower than 203 F (95 C), determined in accordance with ASTM D 93. 3.2.1.4 Viscosity Shall be not more than 25 centistokes (26 centipoise) at 81 F 2 (27 C 1), determined in accordance with ASTM D 445. 3.2.1.5 Low-Temperature Stability The cleaner shall not separate on warming
35、 to room temperature from -15 F (-26 C). A 50 mL sample shall be refrigerated at -15 F 2 (-26 C 1) for 24 hours 0.5, removed from the refrigerator, exposed to room temperature for 8 hours 0.25, and, without agitation, examined for homogeneity. SAE INTERNATIONAL AMS1551A Page 4 of 11_3.2.1.6 Accelera
36、ted Storage Stability The cleaner shall show no marked change in appearance, shall not separate, and shall not cause any visual corrosion of AMS5046 steel strip, when tested as in 3.2.1.6.1. 3.2.1.6.1 Polish a AMS5046 steel strip, nominally 0.04 x 0.5 x 6 inches (1.0 x 13 x 152 mm), using 280 grit s
37、ilicon carbide paper. Clean the specimen using absorbent paper tissue and wiping with a suitable solvent and then with isopropanol. Dry the specimen at ambient temperature, place it in a clean glass pressure bottle, add enough cleaner to cover half of the strip, cap the bottle, roll it on its side t
38、o coat the strip, and immerse the bottle in a water or oil bath. Program the temperature of the bath for 120 F 4 (49 C 2) for 8 hours 0.25 and no heat input for 16 hours 0.5. After five 24-hour cycles, and without agitation, examine the cleaner and the steel strip. 3.2.1.7 Storage Stability Cleaner
39、shall exhibit no visual evidence of deterioration and shall conform to all other technical requirements, after storage in accordance with ASTM F 1104 for one year. 3.2.1.8 Hard Water Stability Cleaner, when mixed with synthetic hard water, shall not show any evidence of separation after standing und
40、isturbed for 16 hours 0.5 at 77 F 2 (25 C 1). Synthetic hard water shall be prepared by dissolving 0.20 gram 0.005 calcium acetate monohydrate and 0.14 gram 0.005 magnesium sulfate heptahydrate in 1 liter of ASTM D 1193, Type III, water. Test solution shall be prepared by pouring 10 mL cleaner into
41、a 50 mL graduated cylinder, adding 40 mL of synthetic hard water, and shaking for 15 seconds 1; after standing undisturbed for 16 hours 0.5, the solution shall be examined for separation.3.2.1.9 Insoluble Matter Shall be no more than 0.001% by weight for Class l and no more than 0.001% by weight for
42、 Class 2, determined in accordance with 3.2.1.9.1. 3.2.1.9.1 Undiluted cleaning compound, after having been stored undisturbed for at least one week, shall be thoroughly agitated and two 100 gram samples withdrawn and weighed to the nearest gram. The insoluble matter shall be collected with the aid
43、of a vacuum filtering apparatus capable of producing 200 to 250 mm of vacuum (water tap filter pump), a 250 mL filtering flask, a 4.25 cm Buchner funnel, and three pieces of filter paper (Whatman No. 1 or equivalent). Two filter papers for each determination shall be dried at 140 F 4 (60 C 2) for 30
44、 minutes, cooled in a desiccator, and weighed to the nearest milligram. The filter papers shall be stacked in the Buchner funnel with the unweighed filter paper on the bottom, the vacuum started, and the test sample filtered. The sides of the sample container shall be rinsed with 25 mL of the filtra
45、te and the rinse mixture transferred to the funnel. The sides of the funnel shall be rinsed with an additional 25 mL of the filtrate and the liquid filtered. The vacuum shall be maintained for an additional 5 minutes. The top and middle filter papers shall be dried for 10 minutes at 221 F 4 (105 C 2
46、), cooled in a desiccator, and weighed to the nearest milligram. The percent insolubles shall be calculated using Equation 1. 100SampleofWeightABBAleslubinsoPercent1122= (Eq. 1)SAE INTERNATIONAL AMS1551A Page 5 of 11_where:A1 = initial weight of top filter paper B1 = initial weight of middle filter
47、paper A2 = final weight of top filter paper B2 = final weight of middle filter paper 3.2.1.10 Effect on Acrylics There shall be no crazing or staining of MIL-P-25690 stretched acrylic plastic, determined in accordance with ASTM F 484. 3.2.1.11 Hot Corrosion Cleaner shall neither produce visual corrosion nor localized microscopic corrosion where the depth of attack
