1、AEROSPACE MATERIAL SPECIFICATIONAMS3901/2 REV. DIssued 1974-06Revised 2008-12Reaffirmed 2014-07Superseding AMS3901/2CYarn, Organic Fiber (Para-Aramid), High Modulus380 Denier, (420 d tex), 0.6% FinishRATIONALEAMS3901/2D has been reaffirmed to comply with the SAE five year review policy._SAE Technica
2、l 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 s
3、ole 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 be
4、 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/AMS3901/2D1 SCO1.1 Form This specification covers one type of organic fiber in the form of yarn. The produ
6、ct 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 minimum tensile modulus for
7、use 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 pu
8、blications 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 specif
9、ic 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 SAE INTE
10、RNATIONAL AMS3901/2D 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 Properties Shall be as shown in Table 1; no individual package
11、 based 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 aragraph ReqParagraphPRequirement Dry Twisted Yarn Requirement Impregnated Strand Test Method 3.2.1 Tensile Strength, min 22.0 g/d 390 ksi (2689 MPa)
12、4.5.1 of AMS3901 3.2.2 Modulus of Elasticity, min 850 g/d 17.5 Msi (121 GPa) 4.5.1 of AMS3901 3.2.3 Linear Density 380 25 denier 380 25 denier (420 25 d tex) (420 25 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 cubi
13、c inch 0.001 (1.44 grams/cm3 0.03) 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 PROVISIONSShall be in accordance with AMS3901. 5. PREPARATION FOR DELIVERYShall
14、 be in accordance with AMS3901. 6 ACKNOWLEDGMEShall be in accordance with AMS3901. 7 REJECTIOShall be in accordance with AMS3901. SAE INTERNATIONAL AMS3901/2D Page 3 of 3 8 NOTShall be in accordance with AMS3901. 8.1 A change bar ( l ) located in the left margin is for the convenience of the user in
15、 locating areas 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“
