IntroductionCategorization of Welding & Weld ProblemsPART I. MANIFESTATION OF PROBLEMSProblems with Joint Set-up and Weld JointsShape Distortion, Dimensional Shrinkage, and Geometric InstabilityPorosityNon-metallic and Metallic InclusionsCracksWeld AppearancePART II. LOCATION OF PROBLEMSFusion Zone of Fusion WeldsHeat-affected Zone of Fusion WeldsUnaffected Base Metal Surrounding Fusion WeldsNon-fusion Welds PART III. MATERIAL-SPECIFIC PROBLEMSEmbrittlement in Carbon-, Low- and Medium-alloy SteelsSensitization Weld Decay and Knife-line Attack in Stainless SteelsReheat-cracking and Liquation CrackingProblems in Cold-worked Metals and AlloysLong-term Embrittlement with High-chromium ContentsWeld Dilution & Segregation in WeldsDissimilar Metal and Alloy WeldingClosing Thoughts
Robert W. Messler, Jr., PhD, FASM, FAWS, is Emeritus Professor of Materials Science and Engineering at Rensselaer Polytechnic Institute in Troy, New York. He has more than three decades of expertise in diverse areas of advanced materials and processes in industry and academia. Professor Messler has authored seven books in engineering and over 140 papers in various technical journals. He has won several awards for excellence in teaching, and he is a Fellow of both ASM International and the American Welding Society.