1、AEROSPACE MATERIAL SPECIFICATIONAMS3901/4 REV. DIssued 1974-06Revised 2008-12Reaffirmed 2014-07Superseding AMS2901/4CYarn, Organic Fiber (Para-Aramid), High Modulus1420 Denier (1580 d tex), 0.6% FinishRATIONALEAMS3901/4D has been reaffirmed to comply with the SAE five year review policy._SAE Technic
2、al 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, is the
3、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 2014 SAE InternationalAll rights reserved. No part of this publication may b
4、e 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 (outside USA)Fax
5、: 724-776-0790Email: CustomerServicesae.orgSAE WEB ADDRESS: http:/www.sae.orgSAE values your input. To provide feedbackon this Technical Report, please visithttp:/www.sae.org/technical/standards/AMS3901/4D1.1 FormThis specification covers one type of organic fiber in the form of yarn. The product sh
6、all be formed as a multiplicity of filaments drawn together and gathered into an approximately parallel arrangement. 1.2 Classification Organic 1420 denier (1580 d tex) yarn with 390 ksi (2689 MPa) or 22.0 g/d minimum tensile strength and 16.5 Msi (114 GPa) or 850 g/d minimum tensile modulus for use
7、 in general purpose composites requiring high tensile strength and high modulus of elasticity in tension. 2. APPLICABL DOCUMENTSThe following publications form a part of this document to the extent specified herein. The latest issue of SAE publications shall apply. The applicable issue of other publ
8、ications 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 unless a specific
9、 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.orgAMS3901 Organic Fiber (Para-Aramid), Yarn and Roving, High Modulus SAE INTERNATIO
10、NAL AMS3901/4D Page 2 of 3 3 TECHNICA REQUIREMENTS3.1 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 PropertiesShall be as shown in Table 1; no individual package, based
11、 on the average of three determinations, shall have less than 90% of the lot minimum values specified in 3.2.1 and 3.2.2. TABLE 1 - PROPERTIES Paragraph ReqRequirementDry Twisted Yarn RequirementImpregnated Strand Test Method 3.2.1 Tensile Strength, min 22.0 g/d 390 ksi (2689 MPa) 4.5.1 of AMS3901 3
12、.2.2 Modulus of Elasticity, min 850 g/d 16.5 Msi (114 GPa) 4.5.1 of AMS3901 3.2.3 Linear Density 1420 50 1420 50(1580 60 d tex) (1580 60 d tex) 3.2.4 Fiber Finish, by weight 0.6% 0.6 0.6% 0.6 4.5.2 of AMS3901 4.5.3 of AMS3901 3.2.5 Fiber Density 0.052 pound mass per cubic inch 0.001 (1.44 gram/cm 0.
13、03) 0.052 pound mass per cubic inch 0.001 (1.44 gram/cm 0.03) 3.3 SplicingThere shall be not more than two knots per 5-pound (2.3-kg) package in the continuous yarn. 4. QUALITY ASSURANCE PROVISIONSShall be in accordance with AMS3901. 5. PREPARATION FOR DELIVERYShall be in accordance with AMS3901. 6
14、ACKNOWLEDGMEShall be in accordance with AMS3901. 7 REJECTIOShall be in accordance with AMS3901. SAE INTERNATIONAL AMS3901/4D Page 3 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 where technical
15、 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“
