TESTING OF METALLIC AND INORGANIC COATINGS

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2 TESTING OF METALLIC AND INORGANIC COATINGS A symposium sponsored by ASTM Committee B-8 on Metallic and Inorganic Coatings Chicago, IL, April 1986 ASTM SPECIAL TECHNICAL PUBLICATION 947 William B. Harding, Allied-Signal, Inc., and George A. Dl Bari, International Nicl<el Corporation, editors ASTM Publication Code Number (PCN) # 1916 Race Street, Philadelphia, PA 19103

3 Library of Congress Cataloging-in-Publication Data Testing of metallic and inorganic coatings. (ASTM special technical publication; 947) "ASTM Publication Code Number (PCN) " The Symposium on Testing of Metallic and Inorganic Coatings was presented at Chicago, IL, April, Includes bibliographies and index. 1. Coatings Testing Congresses. I. Harding, WilUam B. II. Di Bari, George A. III. ASTM Committee B-8 on Metallic and Inorganic Coatings. IV. Symposium on Testing of Metallic and Inorganic Coatings (1986: Chicago, IL.) V. Series. TS6535.T ' > ISBN Copyright by AMERICAN SOCIETY FOR TESTING AND MATERIALS 1987 Library of Congress Catalog Card Number: NOTE The Society is not responsible, as a body, for the statements and opinions advanced in this publication. Printed in Fairfield, PA July 1987

4 Foreword The Symposium on Testing of Metallic and Inorganic Coatings was presented at Chicago, IL, April The symposium was sponsored by ASTM Committee B-8 on Metallic and Inorganic Coatings. James K. Long, consultant, George A. Di Bari, International Nickel Inc., and William B. Harding, Allied-Signal, Inc., served as chairmen of the symposium. WiUiam B. Harding, Allied-Signal, Inc., and George A. Di Bari, International Nickel Inc., are editors of the resulting publications.

5 Related ASTM Publications Laboratory Corrosion Tests and Standards, STP 866 (1985), New Concepts for Coating Protection of Steel Structures, STP 841 (1984), Guide to the Selection and Use of Electroplated and Related Finishes, STP 785 (1982), Selection and Use of Wear Tests for Coatings, STP 769 (1982),

6 A Note of Appreciation to Reviewers The quality of the papers that appear in this publication reflects not only the obvious efforts of the authors but also the unheralded, though essential, work of the reviewers. On behalf of ASTM we acknowledge with appreciation their dedication to high professional standards and their sacrifice of time and effort. ASTM Committee on Publications

7 ASTM Editorial Staff Susan L. Gebremedhin Janet R. Schroeder Kathleen A. Greene William T. Benzing

8 Contents Introduction 1 Technical Overview on Mechanical and Physical Property Measurements on Coatings GEORGE A. DI BARI 4 Tension Testing of Very Thin Electrodeposits INGON KIM AND ROLF WEIL 11 Significance of Ductility and New Methods of Measuring the Same ROLF ROLFF 19 Ductility of Plated Metal Films: Its Measurement and Relationship to Microstructure SHOHEi NAKAHARA, YUTAKA OKINAKA, AND HENRY K. STRASHIL 32 Analysis and Experimental Evaluation of Materials for Biaxial Stretchability YIH-RENN KAN, HERMAN R. JOHNSON, AND JOHN W. DINI 52 Results of the IPC Copper Foil Ductility Round-Robm Study WERNER ENGELMAIER 66 Microhardness Testing of Plated Coatings: Recent Round-Robin Experiences JOHN D. HORNER 96 Discussion 109 Internal Stress Measurements of Electroless Nickel Coatings by the Rigid Strip Method KONRAD PARKER 111 Thickness of Metal Coatings FIELDING OGBURN 123 Measurement of the Thickness of Extremely Thin Inorganic Coatings of Metals PAUL F. A. BIJLMER 129 Testing of Anodic Coatings on Aluminum Alloys: A Review ELIZABETH A. LACEY AND CARLO SONNINO 150 Detenninmg Coating Composition PHILLIP D. STAPLETON 167

9 Corrosion Testing of Materials witii Metallic and Inorganic Coatings SHELDON W. DEAN 177 Discussion 191 Porosity Testing of Metallic Coatings SIMEON J. KRUMBEIN AND CLARENCE A. HOLDEN, JR. 193 Marine Atmospheric Corrosion Museum Report on the Performance of Thermal Spray Coatings on Steel ROBERT M. KAIN AND EARL A. BAKER 211 Field Testing the Durability of One-Component and Two- Component Zinc Silicate Coatings UUBOMIR DUKIC^ 235 Corrosion Performance of Aluminum and Zinc-Aluminum Thermal Spray Coatings in Marine Environments BARBARA A. SHAW, ANGELA M. LEIMKUHLER, AND PATRICK J. MORAN 246 The Influence of Chromating of Electrodeposited Copper-Nickel- Chromium Coatings on Steel: Results of Five Years of Field Corrosion Testing TADEUSZ BIESTEK 265 A Review and Evaluation of Instrumental Methods of Testing Phosphate Coatings LECH KWIATKOWSKI AND ANDRZEJ KOZLOWSKI 272 Overview of Coating Materials, Surface Treatments, and Screening Techniques for l^ibological Applications Part 1: Coating Materials and Surface Treatments BHARAT BHUSHAN 289 Discussion 309 Overview of Coating Materials, Surface Treatments, and Screening Techniques for Tribological Applications Part 2: Screening Techniques BHARAT BHUSHAN 310 Ring Shear Testing of Deposited Coatings JACK W. DINI, WENDELL K. KELLEY, AND HERMAN R. JOHNSON 320 Electrostatic Charge Decay for Detecting Contamination on Aluminum Surfaces AUDREY CIBULA, AL DAECH, AND LEN SILBERT 329

10 Selected Bibliography on Adhesion Measurement of Films and Coatings K. L. MITTAL 343 Index 363

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