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 theref
2、rom, is the sole responsibility of the user.” SAE reviews each technical report at least every five years at which time it may be reaffirmed, revised, stabilized or cancelled. SAE invites your written comments and suggestions.Copyright 2012 SAE International All rights reserved. No part of this publ
3、ication 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 (
4、outside USA) Fax: 724-776-0790 Email: CustomerServicesae.org SAE WEB ADDRESS: http:/www.sae.orgSAE values your input. To provide feedback on this Technical Report, please visit http:/www.sae.org/technical/standards/AS4373EAEROSPACESTANDARDAS4373 REV. E Issued 1993-08 Revised 2012-02 Superseding AS43
5、73D Test Methods for Insulated Electric Wire RATIONALEThis revison adds the following new test methods: Adhesion of Nickel Coating, Spark Test of Finished Wire Insulation, Smoke Resistance, Fluoride Offgassing, Nitric Acid Immersion, Circumferential Insulation Elongation, Wrap (mandrel wrap) and Hig
6、h Temperature Endurance. Figures and tables were also modified to accomodate the new test methods.TABLE OF CONTENTS 1. SCOPE 51.1 Contents 51.2 Test Method Numbering . 52. APPLICABLE DOCUMENTS 52.1 SAE Publications . 62.2 ASTM Publications 62.3 ANSI Publications . 72.4 U.S. Government Publications 7
7、3. INDEX OF SECTIONS AND TEST METHODS 73.1 Test Methods Group 100 - Assembly, Handling, and Repair Tests . 73.2 Test Methods Group 200 - Chemical, Biological, Radiological/Nuclear, Biological, Chemical (CBR/NBC) 83.3 Test Methods Group 300 - Physical Damage Tests . 83.4 Test Methods Group 400 - Cond
8、uctor Tests 83.5 Test Methods Group 500 - Electrical Tests 83.6 Test Methods Group 600 - Environmental Tests 93.7 Test Methods Group 700 - Mechanical Tests . 93.8 Test Method Group 800 - Thermal Tests 93.9 Test Methods Group 900 - Weight and Dimensional Tests 103.10 Test Methods Group 1000 - Wire Id
9、entification Marking and Evaluation . 104. TEST METHODS AND TEST PROCEDURES 104.1 Test Methods Group 100 - Assembly, Handling and Repair Tests 104.1.1 Method 101, Concentricity and Wall Thickness 104.1.2 Method 102, Insulation Bonding to Potting Compounds 114.1.3 Method 103, Insulation Pull-Off Forc
10、e 124.1.4 Method 104, Insulation Shrinkage/Expansion 124.1.5 Method 105, Solderability . 134.1.6 Method 106, Thermal/Mechanical Resistance - Single Wire 144.1.7 Method 107, Thermal/Mechanical Resistance - Bundle . 17SAE AS4373E Page 2 of 103 4.1.8 Method 108, Solder Pot Test for Insulation Shrinkage
11、 . 184.1.9 Method 109, Percent Overlap of Insulating Tapes . 184.1.10 Method 110, Outer Layer Insulation Smoothness 204.2 Test Methods Group 200 - Chemical, Biological and Radiological Tests/Nuclear,Biological and Chemical (CBR/NBC) 214.3 Test Methods Group 300 - Physical Damage Tests . 224.3.1 Meth
12、od 301, Needle Abrasion Test 224.4 Test Methods Group 400 - Conductor Tests 244.4.1 Method 401, Conductor Diameter . 244.4.2 Method 402, Conductor Elongation and Tensile Breaking Strength 244.4.3 Method 403, Conductor Resistance . 264.4.4 Method 404, Conductor Strand Blocking 274.4.5 Method 405, Adh
13、esion of Nickel Coating 284.5 Test Methods Group 500 - Electrical Tests 294.5.1 Method 501, Dielectric Constant . 294.5.2 Method 502, Corona Inception and Extinction Voltages . 304.5.3 Method 503, Impulse Dielectric . 304.5.4 Method 504, Insulation Resistance . 314.5.5 Method 505, Spark Test of Fini
14、shed Wire Insulation 324.5.6 Method 506, Surface Resistance 334.5.7 Method 507, Time/Current to Smoke 344.5.8 Method 508, Dry Arc Propagation Resistance 344.5.9 Method 509, Wet Arc Propagation Resistance . 414.5.10 Method 510, Voltage Withstand (Wet Dielectric) 454.5.11 Method 511, Wire Fusing Time
15、. 464.5.12 Method 512, Voltage Rating: TO BE DETERMINED . 464.5.13 Method 513, Smoke Resistance . 464.6 Test Methods Group 600 - Environmental Tests 484.6.1 Method 601, Fluid Immersion . 484.6.2 Method 602, Forced Hydrolysis 494.6.3 Method 603, Humidity Resistance 504.6.4 Method 604, Weight Loss Und
16、er Temperature and Vacuum . 514.6.5 Method 605, Propellant Resistance 524.6.6 Method 606, Weathering Resistance 524.6.7 Method 607, Wicking 534.6.8 Method 608, Fluoride Offgassing 544.6.9 Method 609, Nitric Acid Immersion . 564.7 Test Methods Group 700 - Mechanical Tests . 574.7.1 Method 701, Abrasi
17、on . 574.7.2 Method 702, Cold Bend 574.7.3 Method 703, Dynamic Cut-Through 584.7.4 Method 704, Flex Life 584.7.5 Method 705, Insulation Tensile Strength and Elongation . 614.7.6 Method 706, Notch Propagation . 624.7.7 Method 707, Stiffness and Springback . 634.7.8 Method 708, Mandrel and Wrapback Te
18、st 664.7.9 Method 709, Wrinkle Test . 674.7.10 Method 710, Durability of Wire Manufacturers Color and/or Identification 684.7.11 Method 711, Durability and Legibility of Wire Installers Identification 694.7.12 Method 712, Bend Test . 724.7.13 Method 713, Circumferential Insulation Elongation 734.7.1
19、4 Method 714, Wrap (Mandrel Wrap) 764.8 Test Methods Group 800 - Thermal Tests 774.8.1 Method 801, Flammability . 774.8.2 Method 802, High Pressure/High Temperature Air Impingement (Burst Duct) 784.8.3 Method 803, Smoke Quantity . 804.8.4 Method 804, Relative Thermal Life and Temperature Index 804.8
20、.5 Method 805, Thermal Shock Resistance 814.8.6 Method 806, Property Retention After Thermal Aging 82SAE AS4373E Page 3 of 103 4.8.7 Method 807, Multi-day Heat Aging Test (Life Cycle) 824.8.8 Method 808, Blocking . 844.8.9 Method 809, Lamination Sealing 854.8.10 Method 810, Topcoat Cure . 854.8.11 M
21、ethod 811, Cross-link Proof Test . 864.8.12 Method 812, Flame Resistance 884.8.13 Method 813, Insulation State of Sinter 914.8.14 Method 814, High Temperature Endurance . 924.9 Test Methods Group 900 - Wire Diameter and Weight 954.9.1 Method 901, Finished Wire Diameter . 954.9.2 Method 902, Finished
22、 Wire Weight . 964.10 Test Methods Group 1000 - Wire Identification Marking and Evaluation . 964.10.1 Method 1001, Wire Marking Contrast . 965. NOTES 101APPENDIX A UNIQUE OR CRITICAL TEST EQUIPMENT . 102FIGURE 1 THERMAL/MECHANICAL RESISTANCE TEST SETUP . 15FIGURE 2 TWO SUGGESTED PLACEMENTS FOR SNAP
23、SWITCH TO START TIMER 15FIGURE 3 CONTINUITY DETECTION CIRCUIT FOR SOLDER IRON RESISTANCE TEST . 16FIGURE 4 FORMULA FOR CALCULATING PERCENT OVERLAP . 19FIGURE 5 MEASUREMENT BASED ON AN INSULATED WIRE CROSS-SECTION . 21FIGURE 6 ABRASION DURABILITY TEST FIXTURE AND NEEDLE 23FIGURE 7 TYPICAL 7-STRAND CO
24、NDUCTOR AFTER BIRDCAGING (NO STRANDS BLOCKED) . 28FIGURE 8 BLADE 38FIGURE 9 ALUMINUM BLADE SHARPENING FIXTURE . 38FIGURE10 BUNDLE CONFIGURATION 39FIGURE11 BUNDLE TYING 39FIGURE 12 TEST FIXTURE . 40FIGURE 13 ELECTRICAL CONNECTION . 40FIGURE 14 BALL SLIDE BLADE FIXTURE . 41FIGURE 15 BUNDLE CONFIGURATI
25、ON 43FIGURE 16 BUNDLE TYING 43FIGURE 17 ELECTRICAL CONNECTION . 44FIGURE 18 FORMULA FOR VOLTAGE TO CURRENT RATIO . 47FIGURE 19 FLEX LIFE TEST SETUP . 60FIGURE 20 NOTCHING TOOL 63FIGURE 21 TEST FIXTURE FOR STIFFNESS AND SPRINGBACK TEST . 64FIGURE 22 STIFFNESS AND SPRINGBACK TEST FIXTURE BASE PLATE .
26、65FIGURE 23 WRAP BACK TEST 67FIGURE 24 CLAMP DEVICE FOR PRINT DURABILITY TEST 71FIGURE 25 CIRCUMFERENTIAL ELONGATION APPARATUS 75FIGURE 26 TEST MANDREL FOR CIRCUMFERENTIAL ELONGATION . 75FIGURE 27 SPECIMEN HOLDING BLOCK . 76FIGURE 28 ELECTRICAL CONNECTIONS FOR TEST METHOD 802 . 79FIGURE 29 TYPICAL S
27、AMPLE ARRANGEMENT 83FIGURE 30 TYPICAL SAMPLE ARRANGEMENT 87FIGURE 31 FLAME RESISTANCE TEST FIXTURE . 89FIGURE 32 BURNER DETAILS . 90FIGURE 33 HIGH TEMPERATURE ENDURANCE TEST SETUP 95FIGURE 34 LIGHTING EQUIPMENT . 98FIGURE 35 CONTRAST MEASUREMENT ON WIRE SPECIMEN MARKINGS 100TABLE 1 GROUP 100 TEST ME
28、THODS . 7SAE AS4373E Page 4 of 103 TABLE 2 GROUP 300 TEST METHODS . 8TABLE 3 GROUP 400 TEST METHODS . 8TABLE 4 GROUP 500 TEST METHODS . 8TABLE 5 GROUP 600 TEST METHODS . 9TABLE 6 GROUP 700 TEST METHODS . 9TABLE 7 GROUP 800 TEST METHODS . 9TABLE 8 GROUP 900 TEST METHODS . 10TABLE 9 GROUP 1000 TEST ME
29、THODS . 10TABLE 10 SOLDERABILITY TEST CONDITIONS 13TABLE 11 ELECTRICAL CONNECTION . 36TABLE 12 CIRCUIT RESISTANCE . 36TABLE 13 ELECTRICAL CONNECTION . 44TABLE 14 CIRCUIT RESISTANCE . 44TABLE 15 FLUID TABLE . 49TABLE 16 STIFFNESS AND SPRINGBACK LOADS 65TABLE 17 WRINKLE TEST MANDREL SIZE 68TABLE 18 BE
30、ND TEST MANDRELS AND LOADS . 73TABLE 19 WRAP TEST MANDRELS 77TABLE 20 MAXIMUM RECOMMENDED VALUES . 82TABLE 21 AGING TEST SPECIMEN LENGTH REQUIREMENTS. 82TABLE 22 BLOCKING MANDRELS AND TENSIONS 84TABLE 23 HIGH TEMPERATURE ENDURANCE CURRENT FOR CONDITIONING 94TABLE 24 HIGH TEMPERATURE ENDURANCE MANDRE
31、LS AND LOADS 94SAE AS4373E Page 5 of 103 1. SCOPE This standard describes test methods for insulated, single conductor, electric wire intended for aerospace applications. Particular requirements for the wire being tested need to be specified in a procurement document or other detail specification. S
32、uggested minimum requirements are included in the notes at the end of some of the test methods. SAE Performance Standard AS4372 uses some of the tests in this document for evaluating comparative performance of aerospace wires. 1.1 Contents This document is comprised of the following Sections: a. Sco
33、pe including Contents and Numbering System b. Applicable Documents c. Index of Sections and Test Methods d. Test Methods and Test Procedures 1.2 Test Method Numbering The test methods are assigned numbers, such as 101, 102, etc., from the applicable group as follows: a. Group 100: Assembly, Handling
34、, and Repair Tests b. Group 200: Chemical, Biological, Radiological (CBR) Tests c. Group 300: Physical Damage Tests d. Group 400: Conductor Tests e. Group 500: Electrical Tests f. Group 600: Environmental Tests g. Group 700: Mechanical Tests h. Group 800: Thermal Tests i. Group 900: Weight and Dimen
35、sional Tests j. Group 1000: Wire Identification Marking and Evaluation 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 of other publications shall be the issue in ef
36、fect 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 exemption has been obtained. SAE
37、 AS4373E Page 6 of 103 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.AMS1424 Anti-Icing and Deicing-Defrosting Fluid AS1241 Fire Resistant Phosphate Ester
38、Hydraulic Fluid for Aircraft AS3320 Stud - Straight, Ring Locked, CRES AMS 5731, .250-20UNJC X .250-28UNJF AS4372 Performance Requirements for Wire, Electric, Insulated Copper or Copper Alloy AS4851 Relative Thermal Life and Temperature Index for Insulated Electric Wire AS5649 Wire and Cable Marking
39、 Process, UV Laser AS22759/35 Wire, Electrical, Fluoropolymer-Insulated, Crosslinked Modified ETFE, Normal Weight, Silver-Coated, High-Strength Copper Alloy, 200C, 600 Volt AS25244 Circuit Breaker, Trip-Free, Push-Pull, 5 Thru 50 Amp, Type I AS25281 Clamp, Loop, Plastic, Wire Support AS58091 Circuit
40、 Breaker, Trip Free, Aircraft, General Specification for AS50881 Wiring, Aerospace Vehicle J1966 Lubricating Oils, Aircraft Piston Engines (Non-Dispersant Mineral Oil) 2.2 ASTM Publications Available from ASTM International, 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19428-2959, Tel
41、: 610-832-9585, www.astm.org.ASTM B 355 Nickel-Coated Soft or Annealed Copper Wire ASTM D 412 Rubber Properties in Tension, Standard Test Method for ASTM D 471 Standard Test Fluids ASTM D 638 Tensile Properties of Plastics, Test Method for ASTM D 910 Aviation Gasoline, Standard Specification for AST
42、M D 1153 Methyl Isobutyl Ketone, Standard Specification for ASTM D 1868 Detection and Measurement of Partial Discharge (Corona) Pulse in Evaluation of Insulation Systems, Standard Test Method for ASTM D 3032 Hookup Wire Insulation, Standard Test Method for ASTM D 4814 Gasoline, Automotive, Combat AS
43、TM F 814 Specific Optical Density of Smoke Generated by Solid Materials for Aerospace Applications Standard Test Method for SAE AS4373E Page 7 of 103 ASTM G 53 Operating Light- and Water-Exposure Apparatus (Fluorescent UV-Condensation Type) for Exposure of Non-metallic Materials, Standard Practice f
44、or 2.3 ANSI Publications Available from American National Standards Institute, 25 West 43rd Street, New York, NY 10036-8002, Tel: 212-642-4900, www.ansi.org.TT-I-735 Isopropyl Alcohol 2.4 U.S. Government Publications Available from the Document Automation and Production Service (DAPS), Building 4/D,
45、 700 Robbins Avenue, Philadelphia, PA 19111-5094, Tel: 215-697-6257, http:/assist.daps.dla.mil/quicksearch/.MIL-C-43616 Cleaning Compound, Aircraft Surface MIL-DTL-5624 Turbine Fuel, Aviation Grades JP-4, JP-5 and JP-5/JP-8 ST MIL-DTL-83133 Turbine Fuels, Aviation, Kerosene Types, NATO F-34(JP-8) an
46、d NATO F-35 MIL-PRF-5606 (Inactive for New Design) Hydraulic Fluid, Petroleum Base, Aircraft, Missile and Ordnance Hydrocarbon Base, Aircraft, Metric, NATO Code Number H-537 MIL-PRF-7808 Lubricating Oil, Aircraft Turbine Engine, Synthetic Base, NATO Code Number 0-148 MIL-PRF-23699 Lubricating Oil, A
47、ircraft Turbine Engine, Synthetic Base, NATO Code Number 0-156 MIL-PRF-87252 Coolant Fluid, Hydrolytically Stable, Dielectric MIL-PRF-87937 Cleaning Compounds, Aircraft Exterior Surfaces, Water DilutableMIL-STD-202 Test Methods for Electronic and Electrical Component Parts MIL-STD-704 Aircraft Electric Power Characteristics 3. INDEX OF SECTIONS AND TEST METHODS 3.1 Test Methods Group 100 - Assembly, Handling, and Repair Tests TABLE 1 GROUP 100 TEST METHODS MethodNo. Title 101 Concentricity and Wall Thickness 102 Insulation Bonding to
