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 entirely voluntary, and its applicability and suitability for any particular use, including any patent infringement arising there
2、from, 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 2016 SAE International All rights reserved. No part of this p
3、ublication 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: +1 724-776-497
4、0 (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:/standards.sae.org/AMS3970/4A AEROSPACE MATERIAL SPECIFICATION AMS3970/4 REV. A Issued 1999-12 Revised 2011-04 Rea
5、ffirmed 2016-12 Superseding AMS3970/4 Carbon Fiber Fabric Repair Prepreg, 120 C (250 F) Vacuum Curing Part 4 - Purchasing Specification for Film Adhesive RATIONALE AMS3970/4A has been reaffirmed to comply with the SAE five-year review policy. FOREWORD This Purchasing Specification (PS), AMS3970/4 be
6、longs to the Technical Specification system explained in AMS3970. TABLE OF CONTENTS 1. SCOPE 3 1.1 Limitation . 3 2. APPLICABLE DOCUMENTS 3 2.1 SAE Publications . 3 2.2 ASTM Publications 3 2.3 EN Publications . 3 2.4 ISO Publications 4 2.5 SACMA Publications . 4 2.6 PRI Publications 4 3. DEFINITIONS
7、 . 4 4. REQUIREMENTS . 4 4.1 Defects 4 4.2 Defect Credit . 5 5. RELEASE TESTING . 5 5.1 General . 5 5.2 Release Testing 5 5.3 Release Test Certificate 6 5.4 Retest 6 5.5 Rejection . 6 5.6 Warranty 6 5.7 Audit 6 5.8 Sampling . 7 5.8.1 Sampling for Physical Tests 7 5.8.2 Sampling for Physico/Chemical
8、Tests 7 6. PREPARATION FOR DELIVERY . 76.1 Packing . 76.1.1 General . 76.1.2 Film Adhesive Rolls . 76.1.3 Support Tube 76.2 Marking . 76.2.1 Film Adhesive 76.2.2 Release Film Material . 86.2.3 Marking for Shipment 86.3 Shipment . 86.3.1 Storage Before Shipping . 96.3.2 Delivery Date Responsibility .
9、 96.3.3 Shipping Conditions 96.3.4 Shipping Condition Verification . 97. RECEIPT OF MATERIAL 97.1 Material Receipt 98. HEALTH, SAFETY AND ENVIRONMENT 109. NOTES 10TABLE 1 BATCH RELEASE FOR UNCURED ADHESIVE - PHYSICAL AND PHYSIOCHEMICALPROPERTIES . 5SAE INTERNATIONAL AMS3970/4A 2 of 10_1. SCOPE AMS39
10、70/4 specifies the batch release and delivery requirements for film adhesive used for repair. This specification is applicable only when the film adhesive is used as part of the prepreg system as defined in AMS3970 and AMS3970/1. 1.1 Limitation This specification relates to qualified adhesive films
11、listed in the associated PRI QPL AMS3970. 2. APPLICABLE DOCUMENTS The issue of the following documents in effect on the date of the purchase order forms a part of this specification to the extent specified herein. The supplier may work to a subsequent revision of a document unless a specific documen
12、t issue is specified. When the referenced document has been cancelled and no superseding document has been specified, the last published issue of that document shall apply. 2.1 SAE Publications Available from SAE International, 400 Commonwealth Drive, Warrendale, PA 15096-0001, Tel: 877-606-7323 (in
13、side USA and Canada) or 724-776-4970 (outside USA), www.sae.org.AMS3970 Carbon Fiber Fabric Repair Prepreg, 120 C (250 F) Vacuum Curing Part 0 - Introduction AMS3970/1 Carbon Fiber Fabric Repair Prepreg, 120 C (250 F) Vacuum Curing Part 1 - General Requirements 2.2 ASTM Publications Available from A
14、STM International, 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19428-2959, Tel: 610-832-9585, www.astm.org.ASTM D 3530/D 3530M Standard Test Method for Volitile Content of Composite Material Prepreg ASTM D 3531/D 3531M Standard Test Method for Resin Flow of Carbon Fiber-Epoxy Prepreg
15、 ASTM D 3776 Standard Test Method for Mass per Unit Area (Weight) of Fabric ASTM D 4440 Standard Practice for Rheological Measurement of Polymer Melts Using Dynamic Mechanical Procedures ASTM E 1252 Standard Practice for General Techniques for Qualitative Infrared Analysis 2.3 EN Publications Availa
16、ble from CEN-comite, European de Normalisation, Secretatiat Central, Rue de Stassart 36, B-1050 Bruxelles, Belgium or www.cenorm.be.EN 2557 Aerospace Series: Carbon Fibre Preimpregnates, Test Method for the Determination of Mass per Unit AreaEN 2558 Aerospace Series: Carbon Fibre Preimpregnates, Tes
17、t Method for the Determination of the Percentage of Volatile Matter EN 2560 Aerospace Series: Carbon Fibre Preimpregnates, Test Method for the Determination of the Resin Flow EN 6040 Aerospace Series: Analysis of Non-Metallic Materials (Uncured) by High Performance Liquid Chromatography (HPLC) SAE I
18、NTERNATIONAL AMS3970/4A 3 of 10_EN 6041 Aerospace Series: Analysis of Non-Metallic Materials (Uncured) by Differential Scanning Calorimetry (DSC) EN 6042 Aerospace Series: Analysis of Organic Compounds by Infrared Spectroscopy EN 6043 Aerospace Series: Fiber Reinforced Plastics, Determination of Gel
19、 Time and Viscosity 2.4 ISO Publications Available from International Organization for Standardization, 1, rue de Varembe, Case postale 56, CH-1211 Geneva 20, Switzerland, Tel: +41-22-749-01-11, www.iso.org.ISO 11357-2 Plastics - Differential Scanning Calorimetry (DSC) - Part 2: Determination of Gla
20、ss Transition Temperature - First Edition ISO 11357-5 Plastics - Differential Scanning Calorimetry (DSC) - Part 5: Determination of Chracteristic Reaction-Curve Temperatures and Times, Enthalpy of Reaction and Degree of Conversion 2.5 SACMA Publications Available from American Composites Manufacture
21、rs Association, 1010 North Glebe Road, Suite 450, Arlington, VA 22201 or www.acmanet.org.SACMA SRM 20R-94 High Performance Liquid Chromatography of Thermoset Resins, Issued 1994 2.6 PRI Publications Available from Performance Review Institute, 161 Thorn Hill Road, Warrendale PA 15086-7527, Tel: 724-
22、772-1616, www.pri-network.org.PRI QPL AMS3970 Qualified Product List of AMS3970 3. DEFINITIONS Refer to AMS3970/1. 4. REQUIREMENTS The film adhesive to be delivered shall meet the general requirements in accordance with AMS3970/1 and the requirements of this PS and Appendix of PRI QPL AMS3970 the ma
23、terial to be purchased. 4.1 Defects Defects are defined in AMS3970/1. Each defect shall be identified and flagged with colored mark positioned on the roll. A continuous defect shall be identified with a colored mark at the start and with a different colored mark at the end of the defect. Each roll s
24、hall have a defect record attached, recording the type, location and length of each defect (if any) in that roll. SAE INTERNATIONAL AMS3970/4A 4 of 10_4.2 Defect Credit Defective areas as defined in AMS3970/1 shall not be considered as part of the total length of the roll or its weight. The purchase
25、r shall not be charged for any defective area. In addition, credit shall be given to the purchaser by the film adhesive manufacturer for any manufacturing defect of the delivered material discovered during use that had not been previously identified and credited. 5. RELEASE TESTING 5.1 General Produ
26、cts shall be manufactured in accordance with the manufacturing schedule of qualification and revisions agreed to by the PRI. 5.2 Release Testing Release testing shall consist of tests given in Table 1 and Table 2. The test results shall demonstrate compliance with the technical requirements of this
27、PS and the relevant MS and Appendix of PRI QPL AMS3970. Release testing shall be the responsibility of the manufacturer. The test samples extracted should be representative of the entire film adhesive batch delivered in accordance with this specification. Refer to 5.8 for the number of samples requi
28、red based on the size of the batch. The purchaser reserves the right to perform any of the inspections and/or tests required by this specification and may reject any material which fails to meet the requirements. When required, the manufacturer shall inform the purchaser or his chosen agent of the p
29、lanned dates for the extraction of samples and release testing, in order that these operations may be witnessed. TABLE 1 - BATCH RELEASE FOR UNCURED ADHESIVE - PHYSICAL AND PHYSIOCHEMICAL PROPERTIES id Property Number of Samples Per Unit1 Test Method 1.1 Mass per Unit Area 3 EN 2557 or ASTM D 3776 1
30、.2 Volatile Content 3 EN 2558 or ASTM D 3530/ ASTM D 3530M 1.3 Resin Flow 3 EN 2560 or ASTM D 3531/ ASTM D 3531M 1.4 DSC - uncured 3 EN 6041 or ISO 11357-2 and -5 1.5 HPLC 3 EN 6040 or SACMA 20R-94 1.6 Infrared 3 ASTM E 1252 or EN 6042 1.7 Viscosity 3 ASTM D 4440 or EN 6043 Test conditions to be agr
31、eed at the onset of the screening and qualification program between the manufacturer and the CACRC-QPG 1 Number of units to be tested is dependent on the number of rolls in the batch and is defined in 5.8. NOTE: Test results shall meet the requirements specified in the relevant Appendix of PRI QPL A
32、MS3970. SAE INTERNATIONAL AMS3970/4A 5 of 10_5.3 Release Test Certificate The manufacturer shall provide the purchaser with a test report certifying that the film adhesive batch meets the general requirements in accordance with AMS3970/1 and the requirements of this PS and Appendix of PRI QPL AMS397
33、0 of the material to be purchased. The film adhesive release test report shall contain at least the following: SpecificationManufacturers batch number and production date Manufacturers identification Material and delivery condition Quantity in batch Test results 5.4 Retest If batch release test data
34、 fails to meet the requirements of this PS and/or Appendix of PRI QPL AMS3970, a review of all test results, test procedures, specimen manufacturing and test specimen(s) shall be performed. If a cause for discrepancy is found, retests shall be performed on the same roll and either the preceeding or
35、the next roll. The material may be retested one time. The results of the original test, together with those of the retest and the reasons for the first failure shall be included in the test report. When failure cannot be attributed to faulty testing, or test piece preparation, additional test sample
36、s shall be selected at twice the original frequency from products on which the incorrect results were obtained unless already withdrawn by the manufacturer after suitable identification of the cause of failure. If all retest results are satisfactory, the batch shall beaccepted. If one or more retest
37、 results are unsatisfactory, the batch shall be: a. rejected, or b. 100% retested and the conforming products accepted 5.5 Rejection Any failure of the film adhesive to meet the batch release requirements of this specification shall be cause for rejection of the material. Any defect not detected dur
38、ing acceptance inspection, but which becomes apparent during the subsequent use of the material, shall be cause for rejection of the unused portion of the batch, provided such a defect is cause for rejection under the requirements of the specification. 5.6 Warranty Each production batch or shipment,
39、 whichever is smaller, of the qualified material submitted to this PS shall be warranted through a release test certificate by the manufacturer and/or supplier to meet the requirements of this PS and the relevant MS and Appendix of PRI QPL AMS3970. The manufacturer and/or supplier shall also warrant
40、 that the raw materials and processes used in manufacture of the subsequent production batches or shipment are the same in type, form and quality as those used for the qualification. 5.7 Audit PRI retains the right to audit the manufacturing process of a qualified product at certain intervals. Audit
41、s will be performed in accordance with the Appendix of PRI QPL AMS3970. The manufacturer shall make available all necessary documents, records and supporting information with regard to the material manufacture for inspection by representatives of PRI. A non-disclosure agreement can be established be
42、tween the PRI and the manufacturer if required. SAE INTERNATIONAL AMS3970/4A 6 of 10_5.8 Sampling 5.8.1 Sampling for Physical Tests For inspection and test purposes each batch of film adhesive shall be divided into units of one roll (as delivered). 5.8.2 Sampling for Physico/Chemical Tests Physico/c
43、hemical tests shall be performed on the first and last unit of each batch of film adhesive. 6. PREPARATION FOR DELIVERY 6.1 Packing 6.1.1 General Film adhesive shall be packaged in clean, dry, shipping containers so constructed as to ensure acceptance by common or other carrier for safe transportati
44、on to the place of delivery specified by purchase order or contract and to retain the requirements of the TS and this PS. 6.1.2 Film Adhesive Rolls Each roll shall be individually packaged in a sealed moisture-proof bag of non-contaminating material (polyethylene or equivalent) with minimum thicknes
45、s of 0.15 mm. The packaging shall be such that the material shall not deform under its own mass and shall meet the requirements of this specification after delivery. Each individual roll shall be accompanied with its defect log. Each package or container shall contain a sachet of silica gel as a des
46、iccant if required by the relevantAppendix of PRI QPL AMS3970. 6.1.3 Support Tube The requirements for the support tube are: The film adhesive shall be wound on a cardboard tube or equivalent sufficiently rigid so as not to be deformed by the weight of the film adhesive. The outside diameter of the
47、tube shall be at least 75 mm. The length of the tube shall be 50 to 200 mm greater than the width of the film adhesive. 6.2 Marking 6.2.1 Film Adhesive Each roll of film adhesive shall be legibly and durably marked by means of a securely attached tag in such a manner and location that it remains in place until all film adhesive has been used. Each roll shall be marked with items a through h as a minimum: a. Specification b. Manufacturers name, identification and manufacturing plant c. Manufacturers batch number d. Date of manufacturer SAE INTERN
