1、AEROSPACE MATERIAL SPECIFICATION AMS3901/9 REV. C Issued 1985-01 Revised 2008-12 Reaffirmed 2015-04 Superseding AMS3901/9B Yarn, Organic Fiber (Para-Aramid), High Modulus 380 Denier (420 d tex), 1.2% Finish RATIONALE AMS3901/9C has been reaffirmed to comply with the SAE five-year review policy. _ SA
2、E 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 particular use, including any patent infringement arising therefrom
3、, is the sole responsibility of the user.” SAE 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 2015 SAE International All rights reserved. No part of this publi
4、cation 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: 877-606-7323 (inside USA and Canada) Tel: +1 724-776-4970 (o
5、utside 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/AMS3901/9C 1. SCOPE 1.1 Form This specification covers one type of organic fiber in t
6、he form of yarn. The product shall be formed as a multiplicity of filaments drawn together and gathered into an approximately parallel arrangement. 1.2 Classification Organic 380 denier (420 d tex) yarn with 390 ksi (2689 MPa) or 22.0 g/d minimum tensile strength and 17.5 Msi (121 GPa) or 850 g/d mi
7、nimum tensile modulus for use in weaving requiring high tensile strength and high modulus of elasticity in tension. 2. APPLICABLE DOCUMENTS The following publications form a part of this document to the extent specified herein. The latest issue of SAE publications shall apply. The applicable issue o
8、f other publications shall be the issue in effect on the date of the purchase order. In the event of conflict between the text of this document and references cited herein, the text of this document takes precedence. Nothing in this document, however, supersedes applicable laws and regulations unles
9、s a specific exemption has been obtained. 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. AMS3901 Organic Fiber (Para-Aramid), Yarn and Roving, High Modulus
10、 3. TECHNICAL REQUIREMENTS 3.1 Basic Specification The complete requirements for procuring the organic yarn described herein shall consist of this document and the latest issue of the basic specification. 3.2 Properties Shall be as shown in Table 1; no individual package, based on the average of thr
11、ee determinations, shall have less than 90% of the lot minimum values specified in 3.2.1 and 3.2.2. TABLE 1 - PROPERTIES Paragraph Requirement Requirement Dry Twisted Yarn Requirement Impregnated Strand Test Method 3.2.1 Tensile Strength, min 22.0g/d 390 ksi (2689 MPa) 4.5.1 of AMS3901 3.2.2 Modulus
12、 of Elasticity, min 850 g/d 17.5 Msi (121 GPa) 4.5.1 of AMS3901 3.2.3 Linear Density 380 25 denier (420 25 d tex) 380 25 denier (420 25 d tex) 4.5.2 of AMS3901 3.2.4 Fiber Finish, by weight 1.2% 0.6 1.2% 0.6 4.5.3 of AMS3901 3.2.5 Fiber Density 0.052 pound mass per cubic inch 0.001 (1.44 grams/cm3 0
13、.03) 0.052 pound mass per cubic inch 0.001 (1.44 grams/cm3 0.03) 3.3 Splicing There shall be not more than two knots per 5-pound (2.3-kg) package in the continuous yarn. 4. QUALITY ASSURANCE PROVISIONS Shall be in accordance with AMS3901. 5. PREPARATION FOR DELIVERY Shall be in accordance with AMS39
14、01. 6. ACKNOWLEDGMENT Shall be in accordance with AMS3901. 7. REJECTIONS Shall be in accordance with AMS3901. SAE INTERNATIONAL AMS3901/9C Page 2 of 3_ 8. NOTESShall be in accordance with AMS3901. 8.1 A change bar ( l ) located in the left margin is for the convenience of the user in locating areas
15、where technical revisions, not editorial changes, have been made to the previous issue of this document. An (R) symbol to the left of the document title indicates a complete revision of the document, including technical revisions. Change bars and (R) are not used in original publications, nor in documents that contain editorial changes only. PREPARED BY AMS COMMITTEE “P“ REAFFIRMED BY AMS COMMITTEE “P17“SAE INTERNATIONAL AMS3901/9C Page 3 of 3_
