Office 2007 Pro Additive manufacturing process may

[rthyagndf]

(PhysOrg.com) -- A new additive production process for mixing hard metals with ceramic components and depositing, layer by layer, the combined supplies from the sort of pastes could result in more powerful,microsoft Office 2010 Serial, heat-resistant, three-dimensional components for potential room exploration, says a researcher at Missouri University of Science and Technological innovation.

The analysis consists of a method that's also significantly less dangerous to your setting since it makes use of drinking water to cut back the quantity of polymer necessary to bind the metal and ceramic materials, says Dr. Ming Leu, who's major the research.

Leu and his colleagues in Missouri S&T's Center for Aerospace Production Technologies (CAMT) are developing a way to create "functionally graded" material parts that could be used for hypersonic aircraft or as parts of ultra-high-temperature engines and rocket boosters.

The investigation combines the steel and ceramic through the procedure of extrusion,Microsoft Office 2007 Product Key, which is similar to squeezing toothpaste through a tube but is precisely controlled. The result of squeezing the pastes of metal, ceramic and binder (the polymer and h2o) is a blended material that combines the toughness of the steel with the warmth resistance of the ceramic. But the true value of the process, says Leu,Office Professional Plus 2010, is that it allows manufacturers to create customized parts for aircraft, spacecraft or other products.

"By controlling the extrusion forces, we can customize the percentage composition of each of the supplies in the final product," says Leu, that is the Keith and Pat Bailey Missouri Distinguished Professor of Integrated Product Production.

With this method, a paste of ceramic material -- zirconium carbide, which is used to manufacture cutting tools -- is pushed through one tube, while the metal tungsten is pushed through a second. From a third tube comes a mixture of components that is converted into zirconium carbide and tungsten after reaction sintering. From there, the functionally graded material is freeze-dried in a vacuum, the binder removed,Windows 7 Starter, and the final component reaction-sintered.

"In order to create high-performance combustion components or high-performance hypersonic vehicles that can sustain extreme warmth and minimize thermal stresses, these types of functionally graded materials will be essential," says Leu.

Leu and his colleagues at S&T are developing a prototype of the system. Working with Leu are Dr. Greg Hilmas, a professor of supplies science and engineering, and Dr. Robert G. Landers, an associate professor of mechanical and aerospace engineering.

The effort is funded through a two-year, $300,Office 2007 Pro,000 grant from the National Science Foundation's GOALI program (Grant Opportunities for Academic Liaison with Industry). Working with S&T on the project is Boeing, which is a member of the CAMT consortium. Boeing provides $60,000 plus an in-kind contribution toward the project.

Provided by Missouri University of Science and Technological innovation (news : web)