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A METALLURGICAL CONSULTANT in Fort Wayne, Indiana, Donald J. Wulpi studied and analyzed failures of metal parts for more than 45 years. A graduate of Lehigh University, with a degree in metallurgical engineering, he spent most of his working life in several metallurgical laboratories of the International Harvester Company, now Navistar International Corporation. In retirement, Mr. Wulpi devoted himself to teaching the principles of failure analysis at the ASM International headquarters, in Materials Park, Ohio, and at various companies throughout the United States. He testified as an expert witness in product litigation cases for many years.

BRETT MILLER IS A metallurgical engineer with degrees from the Missouri University of Science and Technology and the University of Wisconsin-Milwaukee. He is a registered Professional Engineer in several states. For over 28 years, Brett has worked as a failure analyst, metallurgist, and expert witness, completing thousands of failure analysis investigations. He has authored numerous publications, including book chapters and journal articles. Brett has been active in ASM International since 1984 and is a former chairman of the ASM Failure Analysis Committee. He is also active in NACE International and the American Welding Society. He has experience in aerospace, oil field, and commercial laboratories. Brett is currently the technical director at IMR Metallurgical Services in Louisville, Kentucky.

ContributorContribution
Thomas N. Ackerson
IMR Metallurgical Services - Louisville 
Reviewed and revised Chapter 2, “Mechanical Properties” 
Jake Auliff
Sauer Danfoss 
Reviewed and revised Chapter 11, “Wear Failures—Abrasive and Adhesive” (with Ryan Spotts) 
John A. Beavers
Det Norske Veritas (USA) Inc. 
Reviewed and revised Chapter 13, “Aqueous Corrosion Failures” (with David Norfleet) 
Daniel J. Benac
Baker Engineering and Risk 
Reviewed and revised Chapter 14, “Elevated-Temperature Failures” 
Nicholas E. Cherolis
Rolls-Royce 
Reviewed and revised Chapter 10, “Fatigue Fracture” (with Wesley D. Pridemore) 
Scott Chumbley
Iowa State University 
Reviewed and revised Chapter 4, “Residual Stresses” 
Daniel P. Dennies
Exponent 
Reviewed and revised Chapter 1, “Techniques of Failure Analysis” 
Larry D. Hanke
Materials Evaluation and Engineering 
Reviewed and revised Chapter 12, “Wear Failures—Fatigue” 
Edward J. Kubel, Jr. Author of Chapter 15, “Fracture Mechanics” (written for the Second Edition) 
John D. Landes
University of Tennessee - Knoxville 
Reviewed and revised Chapter 15, “Fracture Mechanics” 
Brett A. Miller
IMR Metallurgical Services - Louisville 
Revision Editor. Reviewed and revised Chapter 6, “Basic Single-Load Fracture Modes” 
David M. Norfleet
Det Norske Veritas (USA) Inc. 
Reviewed and revised Chapter 13, “Aqueous Corrosion Failures” (with John A. Beavers) 
Ronald J. Parrington
IMR Test Labs 
Reviewed and revised Chapter 8, “Brittle Fracture” 
Wesley D. Pridemore
GE Aviation 
Reviewed and revised Chapter 10, “Fatigue Fracture” (with Nicholas E. Cherolis) 
Craig J. Schroeder
Element Materials Technology 
Reviewed and revised Chapter 9, “Ductile Fracture” 
Roch J. Shipley
Professional Analysis and Consulting 
Reviewed and revised Chapter 5, “Distortion Failures” 
Ryan Spotts
Sauer Danfoss 
Reviewed and revised Chapter 11, “Wear Failures—Abrasive and Adhesive” (with Jake Auliff) 
Dustin A. Turnquist
Engineering Systems 
Reviewed and revised Chapter 3, “Stress versus Strength” 
Charles V. White
Kettering University 
Reviewed and revised Chapter 7, “Stress Systems Related to Single-Load Fracture of Ductile and Brittle Metals” 

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