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/AMS3970/1A AEROSPACE MATERIAL SPECIFICATION AMS3970/1 REV. A Issued 1999-12 Revised 2011-04 Rea
5、ffirmed 2016-12 Superseding AMS3970/1 Carbon Fiber Fabric Repair Prepreg, 120 C (250 F) Vacuum Curing Part 1 - General Requirements RATIONALE AMS3970/1A has been reaffirmed to comply with the SAE five-year review policy. FOREWORD AMS3970/1 belongs to the Technical Specification system explained in A
6、MS3970. TABLE OF CONTENTS 1. SCOPE 4 2. APPLICABLE DOCUMENTS 4 2.1 SAE Publications . 4 2.2 ASTM Publications 4 2.3 EN Publications . 6 2.4 ISO Publications 7 2.5 SACMA Publications . 8 2.6 Military Specifications 8 2.7 PRI Publications 8 3. DEFINITIONS . 8 3.1 General . 8 3.2 Specific for Carbon Fi
7、ber Prepreg and Film Adhesive 8 4. REQUIREMENTS . 10 4.1 General Requirements: . 10 4.1.1 Qualification 10 4.1.2 Process Control Document . 10 4.1.3 Traceability 10 4.1.4 Health and Safety Requirements 10 4.1.5 Manufacturers Responsibility . 10 4.1.6 Quality Assurance . 10 4.2 Technical Requirements
8、 . 11 4.2.1 Technical Requirements for Carbon Fibers 11 4.2.2 Technical Requirements for Fabric . 11 4.2.3 Technical Requirements for Resin 13 4.2.4 Technical Requirements for Carbon and Glass Prepreg 13 4.2.5 Technical Requirements for Film Adhesive 134.2.6 Common Technical Requirements for Prepreg
9、 and Film Adhesive 144.3 Requirements for Composite Materials . 154.4 Test Methods 154.4.1 Required Number of Specimens . 164.4.2 Test Methods for Fiber 164.4.3 Test Methods for Fabric 164.4.4 Test Methods for Resin . 164.4.5 Test Methods for Composites . 165. QUALIFICATION. 175.1 Introduction . 175
10、.2 Material Qualification . 175.2.1 General . 175.2.2 Screening of the Prepreg System . 175.2.3 Qualification of Material . 175.2.4 Audit of a Manufacturer . 185.2.5 Establishment of an Appendix of PRI QPL AMS3970 185.3 Material Qualification Program 185.3.1 Qualification Retests . 185.3.2 Qualifica
11、tion Test Report. 195.4 Side Qualification and Requalification 195.5 Material Safety Data Sheet . 205.6 Evaluation of Test Data . 206. COMPOSITE TEST METHODS AND SPECIMEN MANUFACTURING 206.1 Specimen Manufacturing and Storage 206.1.1 Specimen Definition 206.1.2 Panel Size . 206.1.3 Panel Manufacturi
12、ng . 216.1.4 Tabs 216.1.5 Specimen Machining . 216.1.6 Specimen Selection 216.1.7 Storage of Panels and Specimens 216.1.8 Drying of Specimens . 216.1.9 Strain Gauge Bonding . 236.2 Fluid Immersion and Humidity Aging 236.2.1 Wet Conditioning Procedures . 236.2.2 Traveler Specimens 236.2.3 Selected Fl
13、uids 236.2.4 Fluid Immersion Procedure . 246.3 Report on Specimen Manufacturing, Conditioning and Storage 256.3.1 Panel Manufacturing . 256.3.2 Specimen Manufacturing 256.3.3 Fluid Immersion . 256.3.4 Humidity Aging 266.4 Test Procedure for Testing at Nonambient Conditions . 266.4.1 Temperature Cham
14、ber 266.4.2 Testing at Elevated Temperatures 266.4.3 Testing at Sub-Zero Temperatures . 266.5 Additions and Changes to Standard Test Methods 276.5.1 General . 276.5.2 Tensile Weft / Warp . 286.5.3 Compressive Weft / Warp . 296.5.4 Tensile In-Plane Shear (45) . 296.5.5 Interlaminar Shear Warp . 306.5
15、.6 DMA Composite 306.5.7 Tensile QI 31SAE INTERNATIONAL AMS3970/1A 2 of 45_6.5.8 Tensile QI Open-Hole . 316.5.9 Compressive QI 326.5.10 Compressive QI Open Hole 326.5.11 Double Shear Bearing QI 336.5.12 Compression After Impact 346.5.13 Flatwise Tensile 356.5.14 Long Beam Sandwich Flexure 356.5.15 T
16、ensile Tapered Joint 366.5.16 Tensile Stepped Joint 366.5.17 Tensile Single Lap Shear 366.5.18 Thick Adherent Shear . 366.5.19 Moisture Uptake 366.5.20 Fracture Toughness Energy - G1c 376.5.21 Fracture Toughness Energy - G2c 376.6 Determination of Laminate Quality 376.6.1 C-Scan 376.6.2 Void Content
17、 (Porosity) . 386.6.3 Fiber Volume . 396.7 Specimen Manufacturing 396.7.1 General . 396.7.2 Equipment . 396.7.3 Essential Expendable Materials 406.7.4 Other Expendable Materials . 406.7.5 Manufacturing of Laminates 416.7.6 Manufacturing of Sandwich Panels . 416.7.7 Manufacturing of Tapered and Stepp
18、ed Joint Specimens 436.7.8 Manufacturing of Tensile Single Lap Shear Specimens . 437. NOTES 44APPENDIX A AUTHORIZED ANCILLARY MATERIALS 45FIGURE 1 SETUP FOR LAMINATE CURING . 42FIGURE 2 SETUP FOR SANDWICH CURING 42TABLE 1 SIDE QUALIFICATION PROGRAM . 19TABLE 2 FLUID TYPES FOR IMMERSION TESTING 22TAB
19、LE 3 STORAGE CONDITIONS AND TIMES FOR LAMINATE PANELS AND LAMINATE SPECIMENS . 22TABLE 4 STORAGE CONDITIONS AND TIMES FOR SANDWICH PANELS AND SANDWICH SPECIMENS 24SAE INTERNATIONAL AMS3970/1A 3 of 45_1. SCOPE AMS3970/1 gives information about the technical requirements and qualification procedure fo
20、r carbon fiber fabric epoxy prepreg and a companion non-structural glass prepreg used for repair of carbon fiber reinforced epoxy structures. The prepreg system may include a film adhesive to be applied in a co-curing process with the prepreg for joint and sandwich bonding. The need for a film adhes
21、ive shall be established during screening tests. 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
22、document 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: 877-606-7
23、323 (inside 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 AMS3970/2 Carbon Fiber Fabric Repair Prepreg, 120 C (250 F) Vacuum Curing - Part 2 - Qualification Program for Fiber, Fabric, Carbon
24、Prepreg, Film Adhesive and Non-Structural Glass Prepreg AMS3970/3 Carbon Fiber Fabric Repair Prepreg, 120 C (250 F) Vacuum Curing - Part 3 - Purchasing Specification for Carbon Prepreg AMS3970/4 Carbon Fiber Fabric Repair Prepreg, 120 C (250 F) Vacuum Curing - Part 4 - Purchasing Specification for F
25、ilm Adhesive AMS3970/5 Carbon Fiber Fabric Repair Prepreg, 120 C (250 F) Vacuum Curing - Part 5 - Purchasing Specification for Companion Non-Structural Glass Fiber Fabric Prepreg AMS3970/6 Carbon Fiber Fabric Repair Prepreg, 120 C (250 F) Vacuum Curing - Part 6 - Carbon Fiber Fabric Reinforced Epoxy
26、 Prepreg for Repair, Plain Weave, 193 gm/m2, Adhesive Film for Repair, Non-Structural Glass Fiber fabric Reinforced Epoxy Prepreg, 105 gm/m2AMS-C-9084 Cloth, Glass, Finished, For Resin Laminates AIR4844 Composites and Metal Bonding Glossary ARP4916 Masking and Cleaning of Epoxy and Polyester Matrix
27、Thermosetting Composite Materials 2.2 ASTM Publications Available from ASTM International, 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19428-2959, Tel: 610-832-9585, www.astm.org.ASTM C 297 Standard Test Method for Flatwise Tensile Strength of Sandwich Constructions ASTM C 393 Standa
28、rd Test Method for Flexural Properties of Sandwich Constructions ASTM D 740 Standard Specification for Methyl Ethyl Ketone ASTM D 1002 Standard Test Method for Apparent Strength of Single-Lap-Joint Adhesively Bonded Metal Specimens by Tension Loading (Metal-to-Metal) ASTM D 1655 Standard Specificati
29、on for Aviation Turbine Fuels SAE INTERNATIONAL AMS3970/1A 4 of 45_ASTM D 2344/D 2344M Standard Test Method for Short-Beam Strength of Polymer Matrix Composite Materials and Their Laminates ASTM D 3039/D 3039M Standard Test Method for Tensile Properties of Polymer Matrix Composite Materials ASTM D 3
30、171 Standard Test Methods for Constituient Content of Composite Materials ASTM D 3518/D 3518M Standard Practice for In-Plane Shear Response of Polymer Matrix Composite Materials by Tensile Test of a 45 Laminate ASTM D 3529/D 3529M Standard Test Method for Matrix Solids Content and Matrix Content of
31、Composite Prepreg 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 ASTM D 3532 Standard Test Method for Gel Time of Carbon Fiber-Epoxy Prepreg ASTM D 3776 Standard Test Me
32、thod for Mass per Unit Area (Weight) of Fabric ASTM D 3990 Standard Terminology Relating to Fabric Defects ASTM D 4440 Standard Practice for Rheological Measurement of Polymer Melts Using Dynamic Mechanical Procedures ASTM D 5229/D 5229M Standard Test Method for Moisture Absorption Properties and Eq
33、uilibrium Conditioning of Polymer Matrix Composite Materials ASTM D 5528/D 5528M Standard Test Method for Mode I Interlaminar Fracture Toughness of Unidirectional Fiber-Reinforced Polymer Matrix Composites ASTM D 5656 Standard Test Method for Thick-Adherend Metal Lap-Shear Joints for Determination o
34、f Stress-Strain Behavior of Adhesives in Shear by Tension Loading ASTM D 5766/D 5766M Standard Test Method for Open Hole Tensile Strength of Polymer Matrix Composite Laminates ASTM D 5961/D 5961M Standard Test Method for Bearing Response of Polymer Matrix Composite Laminates ASTM D 6484/D 6484M Stan
35、dard Test Method for Open Hole Compressive Strength of Polymer Matrix Composite Laminates ASTM D 7137/D 7137M Standard Test Method for Compressive Residual Strength Properties of Damaged Polymer Matrix Composite Plates ASTM E 4 Standard Practices for Force Verification of Testing Machines. ASTM E 12
36、52 Standard Practice for General Techniques for Qualitative Infrared Analysis ASTM E 1640 Standard Test Method for Assignment of the Glass Transition Temperature By Dynamic Mechanical Analysis SAE INTERNATIONAL AMS3970/1A 5 of 45_2.3 EN Publications Available from CEN-comite, European de Normalisati
37、on, Secretatiat Central, Rue de Stassart 36, B-1050 Bruxelles, Belgium or www.cenorm.be.EN 2243-7 Aerospace Series: Structural Adhesives Test Methods. Part 7: Determination of the Flow Characteristics of a Film Adhesive EN 2329 Aerospace Series: Textile Glass Fibre Preimpregnates, Test Method for th
38、e Determination of Mass per Unit Area EN 2330 Aerospace Series: Textile Glass Fibre Preimpregnates, Test Method for the Determination of the Content of Volatile Matter EN 2331 Aerospace Series: Textile Glass Fibre Preimpregnates, Test Method for the Determination of the Resin and Fibre Content and t
39、he Mass of Fibre per Unit Area EN 2379 Aerospace Series: Test Fluids for Non Metallic Materials EN 2489 Aerospace Series: Fiber Reinforced Plastics - Determination of the Action of Liquid Chemicals EN 2557 Aerospace Series: Carbon Fibre Preimpregnates, Test Method for the Determination of Mass per U
40、nit AreaEN 2558 Aerospace Series: Carbon Fibre Preimpregnates, Test Method for the Determination of the Percentage of Volatile Matter EN 2559 Aerospace Series: Carbon Fibre Preimpregnates, Test Method for the Determination of the Resin and Fibre Content and the Mass of Fibre per Unit Area EN 2560 Ae
41、rospace Series: Carbon Fibre Preimpregnates, Test Method for the Determination of the Resin Flow EN 2561 Aerospace Series: Unidirectional Laminates - Carbon Thermosetting Resin, Tensile Test Parallel to the Fiber Direction EN 2563 Aerospace Series: Carbon Fibre Reinforced Plastics - Unidirectional L
42、aminates - Determination of Apparent Interlaminar Shear Strength EN 2564 Aerospace Series: Carbon Fiber Laminates - Test Method for the Determination of the Fiber and Resin Fraction and Porosity Content EN 2565 Aerospace Series: Preparation of Carbon Fiber Reinforced Resin Panels for Test Purposes E
43、N 2823 Aerospace Series: Fiber Reinforced Plastic, Test Method for the Determination of the Effect of Exposure to Humid Atmospheres on Physical and Mechanical Characteristics EN 2850 Aerospace Series: Fiber Reinforced Plastics, Testing Unidirectional Laminates and Woven Fabric Laminates - Compressio
44、n Test EN 3003 Aerospace Series: Test Method - Determination of Mass per Unit Area of Film Adhesives EN 3615 Aerospace Series: Fiber Reinforced Plastics, Procedure for the Determination of the Conditions of Exposure to Humid Atmosphere and the Determination of Moisture Absorption EN 6031 Aerospace S
45、eries: Fiber Reinforced Plastic, Determination of In-Plane Shear Properties (45 Tensile Test)SAE INTERNATIONAL AMS3970/1A 6 of 45_EN 6032 Aerospace Series: Determination of Glass Transition Temperature (DMA). EN 6033 Aerospace Series: Carbon Fiber Reinforced Plastics, Determination of the Interlamin
46、ar Fracture Toughness Energy - Mode I - G1c Test EN 6034 Aerospace Series: Carbon Fiber Reinforced Plastics, Determination of the Interlaminar Fracture Toughness Energy - Mode II - G2c Test EN 6035 Aerospace Series: Fiber Reinforced Plastics, Determination of Notched and Unnotched Tensile Strength E
47、N 6036 Aerospace Series: Fiber Reinforced Plastics, Test Method, Determination of Notched, Unnotched and Filled Hole Compression Strength EN 6037 Aerospace Series: Fiber Reinforced Plastics - Test Method - Determination of Bearing Strength EN 6038 Aerospace Series: Fiber Reinforced Plastic, Determination of Compression Strength After Impact EN 6040 Aerospace Series: Analysis of Non-Metallic Materials (Uncured) by High Performance Liquid Chromatography (HPLC) EN 6041 Aerospace Series: Analysis of Non-Metallic Materials (Uncured) by Dif
