November_December_2021_AMP_Digital

4 Editorial 6 Research Tracks 8 Machine Learning 9 Process Technology 10 Metals/Polymers/Ceramics 12 Testing/Characterization 14 Surface Engineering 63 Editorial Preview 63 Special Advertising Section 63 Advertisers Index 64 3D PrintShop TRENDS INDUSTRY NEWS DEPARTMENTS Check out the Digital Edition online at asminternational.org/news/magazines/am-p ASM International serves materials professionals, nontechnical personnel, and managers wordwide by providing high-quality materials information, education and training, networking opportunities, and professional development resources in cost-effective and user-friendly formats. ASM is where materials users, producers, and manufacturers converge to do business. Advanced Materials & Processes (ISSN 0882-7958, USPS 762080) publishes eight issues per year: January, February/ March, April, May/June, July/August, September, October, and November/December, by ASM International, 9639 Kinsman Road, Materials Park, OH 44073-0002; tel: 440.338.5151; fax: 440.338.4634. Periodicals postage paid at Novelty, Ohio, and additional mailing offices. Vol. 179, No. 8, NOVEMBER/DECEMBER 2021. Copyright © 2021 by ASM International ® . All rights reserved. Distrib- uted at no charge to ASMmembers in the United States, Canada, and Mexico. International members can pay a $30 per year surcharge to receive printed issues. Subscriptions: $499. Single copies: $54. POSTMASTER: Send 3579 forms to ASM International, Materials Park, OH 44073-0002. Change of address: Request for change should include old address of the subscriber. Missing numbers due to “change of address” cannot be replaced. Claims for nondelivery must be made within 60 days of issue. Canada Post Publications Mail Agreement No. 40732105. Return undeliverable Canadian addresses to: 700 Dowd Ave., Elizabeth, NJ 07201. Printed by Publishers Press Inc., Shepherdsville, Ky. 23 ANCIENT NORTH AFRICAN IRON-BASE ARTIFACTS Nihad Ben Salah A metallurgical study of a 10th century iron-base nail from the central-East coast of Tunisia reveals how early metallurgists without modern scientific knowledge created parts with engineered properties. 27 TECHNICAL SPOTLIGHT AUTOMATING THE TESTING PROCESS Labs without fully automated testing systems can benefit from adapting one or more parts of the process to increase throughput, decrease costs, and improve safety. 30 TECHNICAL SPOTLIGHT STEEL PRODUCT DEVELOPMENT AIDED BY AUTOMATED PARTICLE WORKFLOW In steel production, an automated particle workflow can increase the efficiency and statistical relevance of nanosized precipitate analyses, resulting in increased productivity and accuracy. FEATURES NOVEMBER/DECEMBER 2021 | VOL 179 | NO 8 A D V A N C E D M A T E R I A L S & P R O C E S S E S | N O V E M B E R / D E C E M B E R 2 0 2 1 3 23 33 30 27 33 HTPro The official newsletter of the ASM Heat Treating Society (HTS). This supplement focuses on heat treating technology, processes, materials, and equipment, along with HTS news and initiatives.