ADVANCED MATERIALS & PROCESSES | JULY/AUGUST 2023 52 iTSSe TSS iTSSe TSS FEATURE 7 (Fig. 1). He also discussed many milestones in his life and the passion for thermal spray that drove his engineering career for more than six decades. He inspired many young engineers in attendance. David Lee, formerly of Stellite Coatings, discussed the genesis and evolution of high velocity oxygen fuel (HVOF) thermal spray technology and the impact it had on the industry. He highlighted the contributions of the late Jim Browning who pioneered many thermal spray devices including the first HVOF - Jet Kote. Lee spent 40 years of his career in thermal spray and his contributions will be felt for decades to come. Martin Kramer, currently at Stellantis, formerly of General Motors, was another highlight discussing the journey of automotive cylinder bore coatings. He discussed the inspiration behind the “Spray Bore” program, which was initiated in the early 1980s, and the struggles to get buy-in from thermal spray companies to build a “torch that spins.” What was considered impossible in the late 1980s is now the single largest thermal spray application covering several million bores each year with cumulative coatings approaching 50 million cylinders. Many car models now use thermal spray cylinder bores, in essence making Prof. Herman’s dream come true, “to make thermal spray a household word.” Dr. Subramaniam Rangaswamy (retired from Oerlikon Metco), TSS-HoF, and David Houck (retired from Osram Sylvania, now Global Tungsten & Powders Corp.) teamed up to discuss the development of thermal spray feedstocks and how the powders used today came to be (Fig. 2). Other contributors included Prof. Christopher Berndt, FASM, TSS-HoF, who discussed the academic research landscape and John Hayden (retired from Hayden Corp.) on the thermal spray job shop industry, who highlighted that his own company was built up by four generations of Haydens, with the current CEO, Dan Hayden, in attendance. SPECIAL FEATURES A highlight of the event was a memento presented by Dan Sordelet of Caterpillar Inc. to the CTSR faculty recognizing the milestone (Fig. 3). Caterpillar was an important sponsor and cheerleader of the thermal spray program at Stony Brook for more than 30 years. Celebratory dinners were held on two nights, with CTSR staff and alumni along with their families in attendance. The current CTSR team is grateful to all of the presenters for sharing their thermal spray journey and inspiring the next generation to carry the thermal spray torch (literally and figuratively). ~iTSSe For more information: Prof. Sanjay Sampath, director, Center for Thermal Spray Research, Stony Brook University, N.Y. 11794, 631.632.8480, sanjay.sampath@stonybrook.edu, www.stonybrook.edu/ctsr. References 1. S. Sampath, Center for Thermal Spray Research Completes Successful 25 Years, International Thermal Spray & Surface Engineering (iTSSe), 17(1), p 3-6, April 2022. Fig. 1 — Bob Betts captures the attention of workshop attendees with many show-and-tell coated components and reports from his career. Fig. 2 — Presenters from left include: Herbert Herman, Mitch Dorfman, Chris Berndt, Richard Schmid, Bob Betts, Sanjay Sampath (in back), Richard Neiser, Dave Houck, Dave Lee, and Subramanian Rangaswamy. Martin Kramer and John Hayden are not pictured. Fig. 3 — From left: Sanjay Sampath, Herbert Herman, Dan Sordelet, and Chris Berndt. Sordelet holds a 25-year milestone momento.
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