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2025 ANS Winter Conference & Expo
November 9–12, 2025
Washington, DC|Washington Hilton
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Latest News
NS Savannah open house on the horizon
The world’s first nuclear-powered merchant ship, the NS Savannah, will have a public site visit in Baltimore, Md., on Saturday, November 15.
To register for the event and find up-to-date details on the event’s address, time, and more, click here.
Randall B. Randolph, John A. Oertel, Tana Cardenas, Christopher E. Hamilton, Derek W. Schmidt, Brian M. Patterson, Franklin Fierro, Deanna Capelli
Fusion Science and Technology | Volume 73 | Number 2 | March 2018 | Pages 187-193
Technical Paper | doi.org/10.1080/15361055.2017.1356196
Articles are hosted by Taylor and Francis Online.
A new method has been developed to dry-machine foams. Most of these foams are at the lower end of what is considered machineable because of their density or foam composition. Excluding aerogel foams, the foams traditionally required a wax-fill process before surviving any machining forces. This new dry-machining method uses a technique called turn-milling and replaces the old wax-fill method that added several weeks to the fabrication schedule and uncertainty in the quality of the final part. The new method utilizes a computer numerical control gang-tool–style lathe that is set up with electric live-tooling spindles. The foams are dry-machined with the lathe main spindle turning in the opposite direction of the live-tooling spindle. This turn-milling technique reduces tool pressure and can accommodate heavier roughing cuts that produce much faster cycle times. With this new dry-machining method we are able to machine the entire foam target component in one operation, eliminating the need for another machining operation for finishing the backside.