| Preface | p. ix |
| Acknowledgment | p. xi |
| Electromagnetic Shielding Effectiveness and Corrosion Prevention | p. 1 |
| Electromagnetic Environment | p. 1 |
| Importance of Electromagnetic Shielding and Corrosion Prevention for Aircraft | p. 1 |
| Fundamentals of Corrosion | p. 5 |
| Corrosion | p. 5 |
| Conditions for Corrosion | p. 6 |
| Electrochemical Aspects | p. 6 |
| Environmental Aspects | p. 8 |
| Metallurgical Aspects | p. 10 |
| Types of Corrosion | p. 11 |
| Uniform Attack | p. 11 |
| Galvanic or Two-Metal Corrosion | p. 12 |
| Crevice Corrosion | p. 12 |
| Pitting | p. 13 |
| Intergranular Corrosion | p. 14 |
| Selective Leaching | p. 14 |
| Erosion Corrosion | p. 14 |
| Stress Corrosion | p. 14 |
| Fundamentals of Electromagnetic Shielding | p. 17 |
| Definition of Shielding Effectiveness | p. 17 |
| Factors that Determine Shielding Effectiveness | p. 17 |
| Electromagnetic Shielding Theory | p. 18 |
| Absorption Loss | p. 18 |
| Reflection Loss | p. 20 |
| Multiple Reflection Correction Term | p. 21 |
| Effect of Near-Field Sources on Shielding Effectiveness | p. 21 |
| Practical Electromagnetic Shielding | p. 22 |
| Role of Conductive Sealants in Electromagnetic Shielding | p. 24 |
| Investigation of the Relationship Between DC Resistance and Shielding Effectiveness | p. 25 |
| Determining a Relationship Between DC Resistance and Shielding Effectiveness | p. 25 |
| Stainless Steel Test Joint for DC Resistance and Shielding Effectiveness Measurements | p. 25 |
| DC Resistance Measurements | p. 28 |
| Shielding Effectiveness Measurements | p. 29 |
| Measurement Results on the Relationship Between DC Resistance and Shielding Effectiveness | p. 30 |
| Effect of Plate Separation on Shielding Effectiveness | p. 33 |
| Identification and Evaluation of Optimum Conductive Sealant Materials | p. 35 |
| Identification of Materials | p. 35 |
| Evaluation of Conductive Sealants in Salt Spray Environment per ASTM B117 | p. 38 |
| Aluminum Test Joints | p. 38 |
| Measurement Results of DC Resistance Versus Salt Spray Exposure | p. 42 |
| Measurement Results of Shielding Effectiveness Versus Salt Spray Exposure | p. 43 |
| Summary of Optimum Conductive Sealant Materials | p. 46 |
| Relationship Between DC Resistance, Shielding Effectiveness, and Transfer Impedance | p. 46 |
| Evaluation of Laboratory Sealant Test Samples | p. 46 |
| Field Test Evaluations on E-3A Aircraft | p. 57 |
| Introduction | p. 57 |
| Visits to Air Force Installations | p. 58 |
| Field Test Description | p. 63 |
| Location of Test Sites | p. 63 |
| Field Test Methods | p. 63 |
| E-3A Aircraft Field Test Results | p. 72 |
| Conclusions | p. 73 |
| Recommendations | p. 74 |
| Assessment of the Validity of the MIL-B-50878 Class R Bonding Requirements | p. 75 |
| Background | p. 75 |
| Basis/Rational Behind the 2.5-Milliohm Bonding Requirements | p. 76 |
| Summary and Conclusions on Validity of 2.5 Milliohm Bonding Requirements | p. 78 |
| Proposed Changes to Standards, Specification and Handbooks | p. 78 |
| Modifications to MIL-B-5087B | p. 80 |
| Modifications to MIL-STD-188-124A | p. 82 |
| Modifications to MIL-STD-1541 | p. 85 |
| Modifications to MIL-STD-1542 | p. 86 |
| Modifications to MIL-STD-454K | p. 87 |
| Modifications to MIL-HDBK-253 | p. 88 |
| Modifications to AFSC Design Handbook 1-4 | p. 91 |
| Modifications to NATO STANAG No. 3659 | p. 97 |
| Recommendations for Corrosion Prevention Materials/Processes for Use on Existing (and Future) Aircraft and Weapon Systems | p. 99 |
| Recommendations for Using Corrosion Prevention Materials for retrofitting Existing Nuclear Harden Aircraft and Weapons Systems | p. 99 |
| Retrofitting Aircraft with Conductive Sealant | p. 99 |
| Annodized and Chemical Conversion Type Treated Aluminum Surfaces | p. 99 |
| Resealable Joints Using Liquid Applied Conductive Sealants | p. 100 |
| Resealable Joints in Salt Spray Chamber | p. 100 |
| Opening Resealable Joints | p. 101 |
| Comments | p. 101 |
| Shielding Effectiveness of Non-Conductive Corrosion Inhibitive Sealant | p. 101 |
| Aerospace Material Specification | p. 102 |
| EMI Gaskets | p. 103 |
| EMI Gasket Applications and Selection Criteria | p. 103 |
| Stamped and Formed Metal Gaskets | p. 103 |
| Wire Mesh Gaskets | p. 104 |
| Conductively-Loaded Elastomeric Gaskets | p. 105 |
| Conductive Fabric-Clad Foam Gaskets | p. 105 |
| Conductive Gel Gaskets | p. 106 |
| Shielding Effectiveness Data for Test Joints with Varying Resistances | p. 107 |
| Shielding Effectiveness Versus Plate Separation Data | p. 117 |
| References | p. 123 |
| Index | p. 125 |
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