1、SAESAELUBRICANT, SOLID FILMMinimal OutgassingAMS 3084BIssuedRevisedSuperseding AMS 3084AAEROSPACEMATERIALSPECIFICATION1. SCOPE:1.1 Form:This specification covers a solid film lubricant in the form of a ready-to-use, sprayablesuspension.1.2 Application:This lubricant has been used typically in temper
2、ature environments ranging from -300 to +750 F(-184 to +399 C) and in applications requiring minimal outgassing characteristics, but usage isnot limited to such applications.1.3 Safety - Hazardous Materials:While the materials, methods, applications, and processes described or referenced in thisspec
3、ification may involve the use of hazardous materials, this specification does not address thehazards which may be involved in such use. It is the sole responsibility of the user to ensurefamiliarity with the safe and proper use of any hazardous materials and to take necessaryprecautionary measures t
4、o ensure the health and safety of all personnel involved.2. APPLICABLE DOCUMENTS:The following publications form a part of this specification to the extent specified herein. The latestissue of SAE publications shall apply. The applicable issue of other publications shall be the issuein effect on the
5、 date of the purchase order.Reaffirmed 1976-011996-112010-03SAE Technical Standards Board Rules provide that: “This report is published by SAE to advance the state of technical and engineering sciences. The use of this report is entirely voluntary, and its applicability and suitability for any parti
6、cular use, including any patent infringement arising therefrom, is the sole responsibility of the user.” SAE reviews each technical report at least every five years at which time it may be reaffirmed, revised, or cancelled. SAE invites your written comments and suggestions. Copyright 2010 SAE Intern
7、ational All rights reserved. No part of this publication may be reproduced, stored 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: 877-606-73
8、23 (inside USA and Canada) Tel: +1 724-776-4970 (outside USA) Fax: 724-776-0790 Email: CustomerServicesae.org SAE WEB ADDRESS: http:/www.sae.org SAE values your input. To provide feedback on this Technical Report, please visit http:/www.sae.org/technical/standards/AMS3084B Copyright SAE Internationa
9、l Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-SAE AMS 3084BAMS 3084B2.1 SAE Publications:Available from SAE, 400 Commonwealth Drive, Warrendale, PA 15096-0001.AMS 4029 Aluminum Alloy, Sheet and Plate, 4.5Cu - 0.85Si - 0.80M
10、n - 0.50Mg, (2014 -T6Sheet, 2014 -T651 Plate), Solution and Precipitation Heat TreatedAMS 5515 Steel, Corrosion Resistant, Sheet, Strip, and Plate, 18Cr - 8.5Ni (SAE 30302),Solution Heat Treated, High DuctilityAMS 6440 Steel Bars, Forgings, and Tubing, 1.45Cr (0.98 - 1.10C) (SAE 52100), for BearingA
11、pplications2.2 ASTM Publications:Available from ASTM, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959.ASTM D 2510 Adhesion of Solid Film LubricantsASTM D 2512 Compatibility of Materials with Liquid Oxygen (Impact Sensitivity Threshold andPass-Fail Techniques)ASTM D 2625 Endurance (Wear) Life
12、 and Load-Carryling Capacity of Solid Film Lubricants(Falex Pin and Vee Method)ASTM E 595 Total Mass Loss and Collected Volatile Condensable Materials from Outgassingin a Vacuum Environment3. TECHNICAL REQUIREMENTS:3.1 Material:Shall consist of molybdenum disulfide in a sodium silicate binder at spr
13、aying consistency.3.2 Properties:The lubricant shall conform to the following requirements; tests shall be performed on the productsupplied and in accordance with specified test methods:3.2.1 Curing: The lubricant shall cure to a solid lubricant film by air-drying at 77 F5(25 C3)for30 to 40 minutes,
14、 heating in an oven at 180 F5(82 C 3) for 2 hours 0.2, further heatingin an oven at 275 F 5 (135 C 3) for 6 hours 0.25, and cooling in air.3.2.2 Film Adhesion: The lubricant film, cured as in 3.2.1, shall not be lifted from the test panelduring testing in accordance with ASTM D 2510, Procedure B.3.2
15、.3 Thermal Stability: The lubricant film shall not flake, crack, or soften, and shall meet therequirements of 3.2.2, determined in accordance with 4.4.1.3.2.4 Endurance Life: The lubricant film, cured as in 3.2.1 and tested in accordance withASTM D 2625, Procedure A, shall have an average endurance
16、life of at least 100 minutes at1000 pounds (4448 N). The endurance life of any single run shall be not less than 80 minutes.-2-Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-SAE AMS 3084BAMS 3084B3.
17、2.5 Vacuum Performance: The lubricant film, cured as in 3.2.1, shall have maximum averagecoefficient of friction of 0.14, determined at a reduced pressure of 10-7to 10-10Torr inaccordance with 4.4.2.3.2.6 Shock Sensitivity to Liquid Oxygen: The lubricant film, cured as in 3.2.1, shall show no advers
18、ereactions to 20 test drops at 70 foot-pounds (95 Nm), determined in accordance withASTM D 2512.3.2.7 Storage Stability: The lubricant shall form a lubricant film conforming to the film adhesion(3.2.2), thermal stability (3.2.3), and endurance life (3.2.4) requirements after six-monthsstorage and ap
19、plication and curing as in 4.4.3.3.2.8 Vacuum Weight Loss: Shall be not greater than 1.0%, determined in accordance withASTM E 595.3.2.9 Volatile Condensable Material: Shall be not greater than 0.1%, determined in accordance withASTM E 595.3.3 Quality:The lubricant, as received by purchaser, shall b
20、e homogeneous and shall show no evidence ofgelation. The cured lubricant film, examined macroscopically, shall be smooth and uniform incolor and shall show no evidence of foreign matter, grit, rough particles, separation ofingredients, and other imperfections detrimental to usage of the lubricant fi
21、lm.4. QUALITY ASSURANCE PROVISIONS:4.1 Responsibility for Inspection:The vendor of the lubricant shall supply all samples for vendors tests and shall be responsible forthe performance of all required tests. Purchaser reserves the right to sample and to perform anyconfirmatory testing deemed necessar
22、y to ensure that the product conforms to specifiedrequirements.4.2 Classification of Tests:4.2.1 Acceptance Tests: Film adhesion (3.2.2), thermal stability (3.2.3), endurance life (3.2.4), andshock sensitivity to liquid oxygen (3.2.6) are acceptance tests and shall be performed on eachlot.4.2.2 Peri
23、odic Tests: Vacuum performance (3.2.5), storage stability (3.2.7), vacuum weight loss(3.2.8), and volatile condensable material (3.2.9) are periodic tests and shall be performed at afrequency selected by the vendor unless frequency of testing is specified by purchaser.-3-Copyright SAE International
24、Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-SAE AMS 3084BAMS 3084B4.3 Sampling and Testing:Shall be as follows:4.3.1 For Acceptance Tests: Sufficient lubricant shall be taken at random from each lot to perform allrequired t
25、ests. The number of determinations for each requirement shall be as specified in theapplicable test procedure or, if not specified, not less than three.4.3.1.1 A lot shall be all lubricant produced in a single production run from the same batches of rawmaterials under the same fixed conditions, or a
26、ll material subjected to the same unit chemicaland physical process intended to make the final product homogeneous, and presented forvendors inspection at one time.4.3.2 For Periodic Tests: Shall be acceptable to purchaser.4.4 Test Methods:4.4.1 Thermal Stability:4.4.1.1 Test Panels: Shall be AMS 55
27、15 corrosion-resistant steel with a No. 2D finish, approximately0.036 x 3 x 6 inches (0.91 x 76 x 152 mm).4.4.1.2 Precleaning: Clean panels in a suitable solvent and abrasively blast clean with 120 mesh(125 m) alumina (Al2O3). After abrasive cleaning, rinse the panels in isopropyl alcohol anddry tho
28、roughly in a stream of dry, oil-free air.4.4.1.3 Application of Lubricant: Spray the panels, using as many coats as required to provide a solidfilm thickness of 0.0002 to 0.0005 inch (5 to 12.7 m). Cure as in 3.2.1.4.4.1.4 Exposure: Expose the coated panels to 750 F 10 (399 C 6) for 3 hours 0.25, fo
29、llowedby 60 seconds 10 at - 300 F 25 (-184 C 14). Remove panels and allow to reach roomtemperature.4.4.1.5 Adhesion Test: Determine adhesion in accordance with ASTM D 2510, Procedure B.4.4.2 Vacuum Performance:4.4.2.1 Test Specimens: Each set of specimens shall consist of the following:4.4.2.1.1 One
30、 AMS 4029 aluminum alloy sheet specimen, approximately 0.22 inch (5.6 mm) thick and3.5 inches (89 mm) square, having a countersunk 0.19-inch 0.01 (4.8-mm 0.3) diametermounting hole through the center. Spray with the lubricant, using as many coats asrequired to provide a solid film thickness of 0.000
31、2 to 0.0005 inch (5 to 12.7 m). Cure asin 3.2.1. Burnish the film with metallographic felt.-4-Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-SAE AMS 3084BAMS 3084B4.4.2.1.2 Three AMS 6440 steel pins
32、 having hardness of 60 to 65 HRC and measuring0.250 inch + 0.000, - 0.001 (6.35 mm + 0.00, - 0.03) in diameter by 0.75 inch 0.003(19.0 mm 0.08) long. The pins shall have a 1/2-inch (1 2.7-mm) spherical radius on oneend. Polish the spherical tips using metallographic techniques. Polish with 600 grit
33、aluminaand clean with a suitable solvent.4.4.2.2 Friction Test Machine: Shall consist of the following:4.4.2.2.1 A movable platform to carry one half of the friction pair. This platform shall be suspendedfrom the frame by four flexible steel ribbons. A shaft shall be attached to one end of theplatfo
34、rm and shall pass through a bellows seal in the door of the vacuum chamber to theexterior drive mechanism.4.4.2.2.2 A holder for three pins which are the other half of the friction pair. This holder also supportsweights which press the pins against the plate.4.4.2.2.3 Two load beams for measuring th
35、e frictional force between pins and plate. Four electricalstrain gages shall be bonded to the load beams and wired in a conventional Wheatstonebridge configuration, with wires passing through a seal in the vacuum chamber to amplifierand recorder equipment.4.4.2.3 Procedure: Mount the plate and the p
36、ins in the friction test machine and apply a6.0 pound 0.2 (2.72 kg 0.09) mass to press the pins against the lubricated plate. Closethe vacuum chamber and evacuate to a reduced pressure of 10-10torr or lower. Expose thespecimen to this reduced pressure for not less than 100 hours and determine the ki
37、neticcoefficient of friction at ambient temperature, using a sliding speed of 0.025 inch 0.010(0.64 mm 0.25) per second. Record the frictional force on a strip chart recorder. Thekinetic coefficient of friction is equal to the frictional force divided by the load pressing the pinsagainst the plate.
38、Make a minimum of five friction measurements and determine the averagecoefficient of friction.4.4.3 Storage Stability: Store a full, closed, 1 -quart (1 -L) container of the product at 77 F3(25 C 2) for six months. Agitate the closed container in an agitator-type liquid mixer. Openthe container and
39、examine for homogeneity. Apply the lubricant as in 4.4.1.3 and cure as in3.2.1.4.5 Reports:The vendor of the lubricant shall furnish with each shipment a report showing the results of teststo determine conformance to the acceptance test requirements and stating that the lubricantconforms to the othe
40、r technical requirements. This report shall include the purchase ordernumber, lot number, AMS 3084B, vendors compound number, and quantity.-5-Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-SAE AMS 3
41、084BAMS 3084B4.6 Resampling and Retesting:(R)If any specimen used in the above tests fails to meet specified requirements, disposition of thelubricant may be based on the results of testing three additional specimens for each originalnonconforming specimen. Failure of any retest specimen to meet spe
42、cified requirements shall because for rejection of the lubricant represented. Results of all tests shall be reported.5. PREPARATION FOR DELIVERY:5.1 Packaging and Identification:5.1.1 Manufacturer shall assign a unique name, number or code, or other identification to the(R) product, traceable to a s
43、pecific set of raw materials, ingredients, proportions of ingredients,methods of manufacture, and controls. If any of the above are changed, the manufacturersdesignation for the lubricant shall be changed.5.1.2 The lubricant shall be packaged in containers of a type and size acceptable to purchaser.
44、5.1.3 A lot of lubricant may be packaged in small quantities and delivered under the basic lotapproval provided lot identification is maintained.5.1.4 Each container shall be legibly marked with not less than AMS 3084B, purchase order number,manufacturers identification, lot number, quantity, date o
45、f manufacture, and the warning “USETHIS LUBRICANT WITHIN SIX MONTHS FROM DATE OF MANUFACTURE“.5.1.5 Containers of lubricant shall be prepared for shipment in accordance with commercial practice(R) and in compliance with applicable rules and regulations pertaining to the handling, packaging,and trans
46、portation of the lubricant to ensure carrier acceptance and safe delivery.6. ACKNOWLEDGMENT:A vendor shall mention this specification number and its revision letter in all quotations and whenacknowledging purchase orders.7. REJECTIONS:Lubricant not conforming to this specification, or to modificatio
47、ns authorized by purchaser, will besubject to rejection.8. NOTES:8.1 The (R) symbol is for the convenience of the user in locating areas where technical revisions, noteditorial changes, have been made to the previous issue of this specification. If the symbol isnext to the specification title, it in
48、dicates a complete revision of the specification.8.2 Dimensions and properties in inch/pound units and the Fahrenheit temperatures are primary;dimensions and properties in SI units and the Celsius temperatures are shown as theapproximate equivalents of the primary units and are presented only for in
49、formation.-6-Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-SAE AMS 3084BAMS 3084B8.3 Purchase documents should specify not less than the following:Title, number, and date of this specificationType and size of containers desiredQuantity
