4 Editorial 5 Research Tracks 6 Machine Learning 7 Metals/Polymers/Ceramics 9 Testing/Characterization 11 Emerging Technology 71 Editorial Preview 71 Special Advertising Section 71 Advertisers Index 72 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. 5, JULY/AUGUST 2021. Copyright © 2021 by ASM International®. All rights reserved. Distributed 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. 20 SCAN STRATEGIES IN ELECTRON BEAM AM Ti-6Al-4V Maria J. Quintana, Katie O’Donnell, Matthew J. Kenney, and Peter C. Collins The fraction and size of pores present in EBM Ti-6Al-4V specimens varies depending on the melting strategy used, whether linear raster melting or point melting. 24 ARCHAEOMETALLURGY OF COPPER AND SILVER ALLOYS IN THE OLD WORLD Omid Oudbashi and Russell Wanhill The production and processing of advanced materials began in the Old World about 8000 years ago. 28 MEASURING VIRUS INFECTIVITY ON MATERIAL SURFACES Hideyuki Kanematsu, Risa Kawai, Dana M. Barry, Eri Nakajima, and Yasuo Imoto Various methods are used to evaluate the behavior of viruses on material surfaces, an important area of research. 31 IMAT 2021 SHOW PREVIEW IMAT—the International Materials, Applications, & Technologies Conference and Exhibition will be held in St. Louis September 13-16. FEATURES JULY/AUGUST 2021 | VOL 179 | NO 5 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 | J U L Y / A U G U S T 2 0 2 1 3 20 45 28 24 45 iTSSe The official newsletter of the ASM Thermal Spray Society (TSS). This timely supplement focuses on thermal spray and related surface engineering technologies along with TSS news and initiatives.
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