EDITORIAL OPPORTUNITIES FOR HTPro IN 2025 AND 2026 The editorial focus for HTPro in 2025 and 2026 reflects some key technology areas wherein opportunities exist to lower manufacturing and processing costs, reduce energy consumption, and improve performance of heat treated components through continual research and development. November/December 2025 Atmosphere & Vacuum Heat Treating March 2026 Testing and Control September 2026 Thermal Processing in On/Off Highway Applications November/December 2026 Atmosphere & Vacuum Heat Treating To contribute an article to an upcoming issue, contact Vicki Burt at vicki.burt@asminternational.org. To advertise, contact kj.johanns@ asminternational.org. EDITOR Victoria Burt TECHNICAL ADVISORS HTS R&D Committee PRODUCTION MANAGER Allison Freeman NATIONAL SALES MANAGER KJ Johanns 440.671.3851 kj.johanns@asminternational.org HEAT TREATING SOCIETY EXECUTIVE COMMITTEE Benjamin Bernard, President Lesley Frame, Immediate Past President Chuck Faulkner, Vice President DEPARTMENTS 14 | EDITORIAL 15 | HEAT TREATING SOCIETY NEWS ABOUT THE COVER Ausferrite microstructure in Grade 1 austempered ductile iron, showing acicular ferrite and high carbon stabilized austenite. Courtesy of Aalberts surface technologies. HTPro is published three times per year by ASM International®, 9639 Kinsman Road, Materials Park, OH 44073, 440.338.5151, asminternational.org. Vol. 13, No. 2, Copyright 2025 by ASM International®. All rights reserved. The acceptance and publication of manuscripts in HTPro does not imply that the editors or ASM International accept, approve, or endorse the data, opinions, and conclusions of the authors. Although manuscripts published in HTPro are intended to have archival significance, authors’ data and interpretations are frequently insufficient to be directly translatable to specific design, production, testing, or performance applications without independent examination and verification of their applicability and suitability by professionally qualified personnel. THE BASICS OF SALT BATH QUENCH HEAT TREATMENT PROCESSES: MARQUENCHING AND AUSTEMPERING Kathy Hayrynen, FASM Marquenching and austempering offer heat treatment solutions for steel that minimize distortion and quench cracking versus a conventional quench and temper process. 8 PRESSURELESS SINTERING OF PRE-ALLOYED NANOSTRUCTURED BAINITIC STEEL POWDERS Rangasayee Kannan, Andres Marquez Rossy, Jovid Rakhmonov, Yiyu Wang, and Peeyush Nandwana A study shows powder metallurgy plus pressureless sintering is a viable pathway to realize full density bulk components. 12 1 HEAT TREAT 2025 SHOW PREVIEW The ASM Heat Treating Society will hold its 33rd conference in Detroit this October to share information on heat treating technology. 17 ADVANCED MATERIALS & PROCESSES | SEPTEMBER 2025 55
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