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      Celebrating 100 Years of Metallurgy

      September 6, 2019

      The “Caterpillar Sixty” is?catching a lot of buzz lately as it?celebrates 100 years—but?Caterpillar’s?Advanced Materials Technology?team has reason to celebrate as well. August 2019 marks?100 years?of?“making the metal worthy of the machine”?through?metallurgical?science and engineering.?

      Metallurgy is one of Caterpillar’s earliest?core competencies.?Metallurgical teams?around the world?create and develop?new technologies and materials to?enable?global design and manufacturing?groups to deliver?world-class customer value.?In fact, metallurgical?knowledge?remains?one of our critical?core?competencies?and the?numbers?speak for themselves. Annually,?Caterpillar?machines and engines consume millions of tons of castings, wrought steel, forgings, and heat-treated components.?Clearly, metallurgy is?at the heart of?our products and processes.?

      There is no doubt that steel, casting and heat treat technologies?helped?establish Caterpillar’s reputation for quality and durability. While a lot has changed over the years, Caterpillar materials and heat treat are still recognized as world-class and used as an industry?benchmark.?

      Our People

      Today,?nearly?600 degreed materials engineers?are part of Caterpillar’s?workforce.?These materials engineers work in a variety of assignments,?both directly in a materials engineering role and as part of design, manufacturing and purchasing?organizations.? This density of materials engineers at Caterpillar indicates?the?importance of materials to Caterpillar’s business.?In?100?years,?more than?300?patentable ideas and processes?were invented?in?by the Caterpillar metallurgical?community with more?than 70 patents?and patent applications?published in the last five years?alone!?

      ?Time to Celebrate!?

      On August 20,?2019?nearly 100 Caterpillar retirees and metallurgical engineers gathered at the Caterpillar Visitor’s Center to celebrate?metallurgy?and reflect on?its?history and importance.?Speakers at the event included: Vice President Karl Weiss (Innovation and Technology Development Division), Lee Fosburgh (Caterpillar Corporate Archives), Tim Hoefft (Global Materials Manager, Advanced Materials Technology), Mike?Hasselbusch?(Undercarriage Chief Engineer) and Ric Woldow (Drivetrain Product Manager).?

      History of Metallurgy at Caterpillar

      Caterpillar Tractor Company was formed in 1925 by the merger of two fierce competitors in the early tractor business: Holt Manufacturing Company and the C.L. Best Tractor Company.?The history of metallurgy at Caterpillar, however, started even before the company began.?

      1919: Holt Manufacturing Company began operations in their first metallurgical laboratory in East Peoria, Illinois. A chief metallurgist and two chemists staffed the Met Lab which included a microscope, photography darkroom, lathe, drill press and various chemical analysis equipment.?

      1920s-1930s: “Caterpillar Quality” was introduced and included,?enlarging the Met Lab's chemical and physical analysis facilities and creating the first 1E specifications to capture metallurgical requirements. Metallurgical operations grew to include 16 personnel and the lab moved to a larger area to accommodate development of oils, wash tanks and bearing material testing. In 1931, Caterpillar was issued its first known patent in the field of metallurgy entitled “Furnace,” which disclosed a heat-treating?furnace designed for more efficient maintenance. In the late 1930s, the important role of failure analysis was added.

      1940s-1970s:?In the 1940s, more labs were introduced expanding Caterpillar research and development in metallurgy, and a formal Metallurgical Engineering Rotational Development program was created that continues today. Also, in the 1940s, heat treat engineering was formed as a formal section and this would begin Caterpillar’s development of world-class heat-treating processes. In the mid-1950s, the first Caterpillar metallurgical laboratories outside the United States were formed in England and Scotland. In 1963, Research Metallurgy moved into the Technical Center in Mossville, Illinois, and led the industry in developing steels and performing a wide range of heat treatments and unique material testing.

      1980s-2010s:?Fast-forward to the 1980s, 20 metallurgical organizations existed globally, and worldwide materials engineer meetings began that brought the community together. The 1980s also marked the beginning of Caterpillar research into new materials processing techniques like thermal spray coatings, thin film coatings, and lasers, which would all be delivered into production by the late 1990s. Heat treat technology advancements would also be seen throughout this time period in areas like quenching, atmosphere control and equipment automation. Caterpillar continued to be a leader in driving technology and quality improvements in the steel industry. The Caterpillar Hardenability Calculator became the steel mill industry choice for calculation of hardenability and the basis for numerous industrial specifications. Additionally, there are many other materials engineering and processing innovations that were delivered to Caterpillar customers.

      2019:?Today, Caterpillar supports 48 global Met Labs, staffed by over 700 engineers and technicians in 13 different countries to support the ongoing enterprise need for expertise in metallurgy, heat treating, foundry, chemical engineering, non-destructive engineering, in-coming quality control and numerous other materials engineering and processing functions.??

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