1、SAE 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 entirelyvoluntary, and its applicability and suitability for any particular use, including any patent infringement arising therefro
2、m, 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 2005 SAE InternationalAll rights reserved. No part of this publication may be
3、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: 877-606-7323 (inside USA and Canada)Tel: 724-776-4970 (outside USA)Fax: 724-
4、776-0790Email: custsvcsae.orgSAE WEB ADDRESS: http:/www.sae.orgFibers, Carbon, Tow and YarnFor Structural Composites1. SCOPE:1.1 Form: This specification and its supplementary detail specifications cover carbon fibers in the form of continuous multifilament tow and yarn.1.2 Application: This product
5、 has been used typically as reinforcement in composites for structural applications, but usage is not limited to such applications.1.3 Classification: The fibers shall be as specified in the applicable detail specifications, wherein each product is defined by form and property characteristics. An ex
6、ample is shown in 8.2. The product covered by each detail specification appears as part of the title.1.4 Safety - Hazardous Materials: While the materials, methods, applications, and processes described or referenced in this specification may involve the use of hazardous materials, this specificatio
7、n does not address the hazards which 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. APPLICAB
8、LE DOCUMENTS:The following publications form a part of this specification to the extent specified herein. The latest issue of SAE publications shall apply. The applicable issue of other publications shall be the issue in effect on the date of the purchase order.AEROSPACE MATERIAL SPECIFICATIONAMS 38
9、92BIssued NOV 1972Revised OCT 1992Reaffirmed MAY 2005Superseding AMS 3892ACopyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AMS 3892B SAE AMS 3892B- 2 -2.1 U.S. Government Publications:Available from D
10、ODSSP, Subscription Services Desk, Building 4D, 700 Robbins Avenue, Philadelphia, PA 19111-5094.MIL-STD-414 Sampling Procedure and Table for Inspection by Variables for Percent DefectiveMIL-STD-2073-1 DOD Materiel, Procedures for Development and Application of Packaging Requirements2.2 SACMA Publica
11、tions: Available from Suppliers of Advanced Composite Materials Association, 1600 Wilson Boulevard, Arlington, VA 22209.SRM 12 Lot Acceptance of Carbon Fibers3. TECHNICAL REQUIREMENTS: 3.1 Detail Specifications: The requirements for a specific fiber shall consist of all requirements specified herein
12、 in addition to requirements specified in the applicable detail specification. In case of conflict between requirements of this basic specification and an applicable detail specification, requirements of the detail specification shall govern.3.2 Material: 3.2.1 Construction: Carbon tow and yarn shal
13、l be formed from parallel lays of carbon filaments, lightly stranded when required, to produce a product that may be handled with care without material or property degradation. The product shall be supplied in the following forms:3.2.1.1 Tow: Untwisted (UT) or never twisted (NT) bundle of continuous
14、 filaments.3.2.1.2 Yarn: Tow with some degree of intentional twist in its final form twisted tow (TT).3.2.2 Finish: A finish or treatment may be applied to the fiber during or after manufacture to improve handling or to improve properties of the resultant composite structure.3.2.2.1 Surface Treatmen
15、t: A surface treatment which normally enhances coupling of the matrix resin to the fibers may be applied to the fiber. Surface treatment differences require separate lot designations.3.2.2.2 Sizing: Sizing may be applied to the fiber during or after manufacture to improve the handling properties dur
16、ing subsequent processing. Changes in sizing content or type require separate lot designations.Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AMS 3892B SAE AMS 3892B- 3 -3.2.3 Fiber Splices: Shall b
17、e permitted and shall be appropriately identified.3.2.4 Storage Life: The product,when packaged as in 5.1,shall be readily strippable from the spool and the filaments shall be spreadable after storage of the product as specified in the applicable detail specification.3.3 Properties: The product shal
18、l conform to properties shown in Table 1 and values shown in the applicable detail specifications. Tests shall be performed on the product supplied and in accordance with SRM 12, unless otherwise indicated. Alternate test methods may be used provided the methods are acceptable to purchaser.3.4 Quali
19、ty: The product, as received by purchaser, shall be uniform in quality and condition, and free from foreign materials and from imperfections detrimental to usage of the product.4. QUALITY ASSURANCE PROVISIONS: 4.1 Responsibility for Inspection: The vendor of the product shall supply all samples for
20、vendors tests and shall be responsible for performing all required tests. Purchaser reserves the right to sample and to perform any confirmatory testing deemed necessary to ensure that the product conforms to the requirements of this specification.TABLE 1 - PropertiesPropertyTestProcedureTensile Str
21、engthTensile ModulusUltimate ElongationMass per Unit LengthFinish Content 4.5.1DensityYarn Twist Never Twisted (NT) fiber neednot be tested for twistOxidation Resistance 4.5.2Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted witho
22、ut license from IHS-,-,-AMS 3892B SAE AMS 3892B- 4 -4.2 Classification of Tests: 4.2.1 Acceptance Tests: Tests for construction (3.2.1), properties in accordance with 3.3 or as specified in the applicable detail specification, and quality (3.4) are acceptance tests and shall be performed on each lot
23、.4.2.2 Preproduction Tests: Tests for all technical requirements are preproduction tests and shall be performed prior to or on the initial shipment of the product to a purchaser, when a change in ingredients and/or processing requires reapproval as in 4.4.2, and when purchaser deems confirmatory tes
24、ting to be required.4.2.2.1 For direct U.S. Military procurement, substantiating test data and, when requested, preproduction test material shall be submitted to the cognizant agency as directed by the procuring activity, contracting officer, or request for procurement.4.3 Sampling and Testing: Shal
25、l be as follows:4.3.1 For Acceptance Tests: Shall be in accordance with Table 2 and SRM 12, except as indicated in 4.3.1.1. The unit of product used for sampling shall be 1 pound (0.5 kg). Form 2 shall be used when tightened inspection is to be implemented. General Inspection Level IV shall be used.
26、4.3.1.1 For twist, the minimum number of samples per lot shall be ten.4.3.1.2 A lot shall be all product produced in a single production run on the same equipment within a defined set of process parameters and precursor materials which have a unique identification and shall be traceable to all precu
27、rsor materials used.4.3.2 For Preproduction Tests: As agreed upon by purchaser and vendor.TABLE 2 - Minimum Specimens per SampleProperty Specimens per SampleTensile Strength 4Tensile Modulus 4Ultimate Elongation 4Mass per Unit Length 1Finish Content 1Density 1Yarn Twist Never Twisted (NT) fiber need
28、not be tested for twist1Oxidation Resistance 2Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AMS 3892B SAE AMS 3892B- 5 -4.4 Approval: 4.4.1 Sample product shall be approved by purchaser before prod
29、uct for production use is supplied, unless such approval be waived by purchaser. Results of tests on production product shall be essentially equivalent to those on the approved samples.4.4.2 Vendor shall use ingredients, manufacturing procedures and equipment, and methods of inspection on production
30、 product which are essentially the same as those used on the approved sample product. If necessary to make any significant change in ingredients, in type of equipment for processing, or in manufacturing procedures, vendor shall submit for reapproval a statement of the proposed changes in ingredients
31、 and/or processing and, when requested, sample product. Production product made by the revised procedures shall not be shipped prior to receipt of reapproval.4.5 Test Methods: 4.5.1 Finish Content: Shall be determined in accordance with SRM 12. An inert atmosphere shall be maintained until the sampl
32、e has cooled to below 100 C (212 F). A standard of unsized fiber shall be periodically tested to monitor conditions such that no fiber is being degraded.4.5.2 Oxidation Resistance of Fiber: Shall be determined as follows: If the fiber contains a sizing, the test shall be conducted on the sized fiber
33、 and the weight of finish, determined in 4.5.1, shall be subtracted from the weight determined herein. Samples shall be run in duplicate.4.5.2.1 Specimen Preparation: Form approximately 2 grams of yarn or tow into a loop approximately 2 inches (51 mm) in diameter, dry in a suitable oven at 75 C 1 (1
34、67 F 2) for not less than 16 hours, and weigh (Wd) to the nearest 0.1 milligram.4.5.2.2 Procedure: Place the dry specimen in a circulating-air oven, with at least one change of air per minute, in a manner to prevent damage to the specimen; expose for the time and temperature specified in the applica
35、ble detail specification. After hot air exposure, weigh the specimen to the nearest 0.1 milligram.4.5.2.3 Calculation: Determine the weight percent loss under the specified conditions as shown in Equation 1 and Equation 2.(Eq.1)(Eq.2)where:W1a= percent weight loss in hot air due to oxidationWd= fibe
36、r weight after drying (mg)Wa= fiber weight after hot air exposure (mg)W1a(unsized fiber)WdWaWd- 100=W1a(sized fiber)WdWaWd-= 100 wt % of finsh (See 4.5.1)Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,
37、-,-AMS 3892B SAE AMS 3892B- 6 -4.6 Reports: The vendor of the product shall furnish with each shipment a report showing the results of tests to determine conformance to the acceptance test requirements and the lot average test results and stating that the product conforms to the other technical requ
38、irements. This report shall include the purchase order number, lot number, AMS 3892B and the applicable detail specification number and its revision letter, if any, vendors identification, treatment or finish, date of manufacture, and net weight of fiber included in the shipment. The date of manufac
39、ture shall be defined as the date of initiation of manufacture of a given lot of fiber.4.7 Resampling and Retesting: Shall be in accordance with SRM 12.5. PREPARATION FOR DELIVERY: 5.1 Packaging and Identification: 5.1.1 The product shall be supplied in continuous lengths on spools. Winding shall be
40、 uniform and provide for proper unreeling. Outer ends shall be secured.5.1.2 Spools: 5.1.2.1 Identification: Each spool shall be legibly marked with a label on the inside surface of the core, or with a tag suitably attached to the spool, showing not less than the following information:FIBERS, CARBON
41、, TOW AND YARNAMS 3892B/*MANUFACTURERS IDENTIFICATION_LOT NUMBER _TYPE OF FINISH_NOMINAL NET WEIGHT _* Insert applicable detail specification number and revision letter.5.1.2.2 Spool Wrap: Each spool of product shall be packaged to protect it from damage and contamination.5.1.3 Exterior Packaging: 5
42、.1.3.1 Individually wrapped spools of product shall be packaged in an exterior shipping container so that the spools, during normal handling, shipping, and storage, will be protected from exposure to moisture, weather, or any other normal hazard.Copyright SAE International Provided by IHS under lice
43、nse with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AMS 3892B SAE AMS 3892B- 7 -5.1.3.2 Each shipping container shall be permanently and legibly marked with not less than the following information:FIBERS, CARBON, TOW AND YARNAMS 3892B/*PURCHASE ORDER NUMBER
44、MANUFACTURERS IDENTIFICATIONNET WEIGHTNUMBER OF SPOOLSGROSS WEIGHT* Insert applicable detail specification number and revision letter.5.1.4 Packages of the product shall be prepared for shipment in accordance with commercial practice and in compliance with applicable rules and regulations pertaining
45、 to the handling, packaging, and transportation of the product to ensure carrier acceptance and safe delivery.5.1.5 For direct U.S. Military procurement, packaging shall be in accordance with MIL-STD-2073-1, Commercial Level, unless Level A is specified in the request for procurement.6. ACKNOWLEDGME
46、NT: A vendor shall mention this specification number and the detail specification number and their revision letters, if any, in all quotations and when acknowledging purchase orders.7. REJECTIONS: Product not conforming to this specification or an applicable detail specification, or to modifications
47、 authorized by purchaser, will be subject to rejection.8. NOTES:8.1 The change bar ( l ) located in the left margin is for the convenience of the user in locating areas where technical revisions, not editorial changes, have been made to the previous issue of this specification. An (R) symbol to the
48、left of the document title indicates a complete revision of the specification.Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AMS 3892B SAE AMS 3892B- 8 -8.2 Classification: The classification system used to identify each detail specification product is shown by the following example:8.2.1 Fiber Form: T = TowY = YarnF = Fibers (either tow or yarn)8.2.2
