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This profile was last updated on 5/11/13  and contains information from public web pages and contributions from the ZoomInfo community.

Karen M. Brown Taminger

Wrong Karen M. Brown Taminger?

Materials Research Engineer At La...

Local Address:  Hampton , Virginia , United States
NASA
 
Background

Employment History

17 Total References
Web References
An additive process developed mainly by ...
machinedesign.com, 11 May 2013 [cached]
An additive process developed mainly by NASA Langley Research Center materials engineer Karen Taminger uses an electron beam and solid wire feedstock to fabricate structures out of aerospace alloys such as aluminum and titanium... More
Posts by megan | Pushing Dimensions: - Page 2
3dprinterhub.com [cached]
Right now all the research is being done on the ground, says Karen Taminger, materials research engineer at NASA's Langley Research Center in Hampton, Virginia. First they identify a mechanical component that that needs to be replaced or repaired, then they design the replacement part and manufacture it using a 3D printer.
"We are working towards demonstrating this capability on ISS," Taminger told SPACE.com.
...
"Just as Christopher Columbus brought tools with him to help explore the New World," Taminger explained, "NASA is developing an on-demand additive manufacturing tool that will allow space explorers to build what they want, when and where they need it."
Karen Taminger of ...
www.airspacemag.com, 1 Nov 2012 [cached]
Karen Taminger of NASA's Langley Research Center in Virginia is working with a metal-printing technique called Electron Beam Freeform Fabrication, which she hopes to test on the International Space Station. The EBF3 method, as it's called, uses a beam of electrons to melt metal wire, like a cross between a laser gun and a soldering iron, and deposits the metal in layers. The technology is ideally suited to space because electron beams require a vacuum, and, as Taminger explains, "in space, you've got vacuum for free."
...
"This system isn't going anywhere," says Taminger. But she and her team have built a smaller version that weighs only a ton, and are working on another that's less than 100 pounds.
...
"One of the alloys we're working with is 2219, which is the aluminum alloy that the entire [station] is built out of," says Taminger. "Our goal is to have a small enough system, almost a hand-held type system, so the astronauts could go out and say 'I need a fix there' and be able to actually do a repair [on a spacewalk]. To see if the technique could help repair damage from a cosmic hailstorm, Taminger's team plans to try using EBF3 in their lab to repair aluminum panels shot through with simulated micro-meteorites.
...
Taminger thinks logistics planners could take advantage of these odds by sending up a 3D printer and enough feedstock (stored, perhaps, in an attached module) for just five percent of the station's total mass of spare parts. The astronauts would be given CAD files for all the parts that might break, and would print out only what they needed.
That strategy could be important, even essential, on a human Mars mission, where no supply ships would be coming, so the astronauts would have to pack everything with them. Taminger has done some calculations based on NASA's current Mars mission architecture.
...
Karen Taminger of NASA's Langley Research Center in Virginia is working with a metal-printing technique called Electron Beam Freeform Fabrication, which she hopes to test on the International Space Station. The EBF3 method, as it's called, uses a beam of electrons to melt metal wire, like a cross between a laser gun and a soldering iron, and deposits the metal in layers. The technology is ideally suited to space because electron beams require a vacuum, and, as Taminger explains, "in space, you've got vacuum for free."
...
"This system isn't going anywhere," says Taminger. But she and her team have built a smaller version that weighs only a ton, and are working on another that's less than 100 pounds.
...
"One of the alloys we're working with is 2219, which is the aluminum alloy that the entire [station] is built out of," says Taminger. "Our goal is to have a small enough system, almost a hand-held type system, so the astronauts could go out and say 'I need a fix there' and be able to actually do a repair [on a spacewalk]. To see if the technique could help repair damage from a cosmic hailstorm, Taminger's team plans to try using EBF3 in their lab to repair aluminum panels shot through with simulated micro-meteorites.
...
Taminger thinks logistics planners could take advantage of these odds by sending up a 3D printer and enough feedstock (stored, perhaps, in an attached module) for just five percent of the station's total mass of spare parts. The astronauts would be given CAD files for all the parts that might break, and would print out only what they needed.
That strategy could be important, even essential, on a human Mars mission, where no supply ships would be coming, so the astronauts would have to pack everything with them. Taminger has done some calculations based on NASA's current Mars mission architecture.
...
Taminger says the involvement of companies like Made In Space (which counts software maker Autodesk as one of its sponsors) will bring much-needed user-friendliness to the space-based 3D printing industry. "The advantage that commercial entities have is that they've worked with a lot of external customers," she says. "They've seen a lot of different geometries, different parts being built. She acknowledges that NASA-built printers, which are run by the engineers who designed them, aren't great in the user-friendliness department.
But while Dunn and Made In Space are looking far ahead to space colonies humming with 3D printers, Taminger is busy putting one foot in front of the other.
...
"If this is actually going to be a technology that the astronauts are going to depend on for their lives, you have to have a known quality," says Taminger. Her task now is to convince NASA that such gear will be trustworthy.
Last year she got a break when an ammonia pump in the space station's cooling system failed, and had to be returned on the space shuttle. The pump had to be mounted inside the shuttle's cargo bay, and NASA engineers designed a new tool to help spacewalking astronauts secure it. Taminger used EBF3 to print part of the tool and put it through the same safety and effectiveness tests that all parts have to go through before they're cleared for spaceflight. Her part didn't actually fly on the shuttle (a conventionally produced tool did), but going through the tests showed NASA that 3D-printed parts can be just as good as their traditionally manufactured counterparts.
...
Taminger agrees that NASA has gotten more conservative, and the agency may not be willing to take a risk on a new technology, even one that could potentially transform space exploration.
NASA has a team of researchers ...
laserpage.com, 23 July 2012 [cached]
NASA has a team of researchers from four different space agency centers working on demonstrating the full concept, said Karen Taminger, materials research engineer at NASA's Langley Research Center in Hampton, Va.
Taminger told Space.com that the research is geared toward identifying a mechanical component needing to be repaired or replaced, designing the replacement part, fabricating it - with additive manufacturing - finishing and inspecting it, and working to demonstrate remote control of the additive manufacturing process.
Currently, all of this work is being done in labs on the ground, at NASA's Langley, Glenn, Marshall and Johnson space centers, Taminger said, "but we are working towards demonstrating this capability on ISS."
Growing support
A demonstration of NASA's concept of an additive manufacturing process, Electron Beam Freeform Fabrication, or EBF3, was done in simulated microgravity on parabolic aircraft flights back in 2007.
"We're now pursuing hardware and procedural changes to make the system more robust and astronaut-friendly," Taminger said.
...
With the National Network for Manufacturing Innovation, there has been increased national focus on 3D printing and additive manufacturing in the past six months, Taminger said. "In addition to helping create manufacturing jobs in the United States, we are pushing to demonstrate this on the ISS, in preparation for longer-duration space exploration."
Although these experiments have yet to be funded or scheduled to go to the ISS, "that is certainly where we would like to go," Taminger added.
...
"Just as Christopher Columbus brought tools with him to help explore the New World," Taminger concluded,"NASA is developing an on-demand additive manufacturing tool that will allow space explorers to build what they want, when and where they need it."
Star Trek Replicator For Space Station?: Science Fiction in the News
www.technovelgy.com, 11 Feb 2010 [cached]
"They get up there, and all they have is time and imagination," said Karen Taminger, the materials research engineer heading the project at NASA's Langley Research Center in Virginia.
(Weightless experiments with EBF3)
Early "vomit comet" tests on NASA's C-9 aircraft showed that EBF3 could work well in a zero-g environment. Taminger and her team managed to build a number of parts that looked exactly the same as parts built on Earth, down to the microstructure scale.
Some researchers had predicted that the method would fail to produce anything but "ball bearings," or liquid metallic spheres in zero-g. But the wire feeders successfully deposited the metal layers onto the rotating plate as usual, except for the occasional misaligned wire that would create a growing sphere on its end.
The big next step for EBF3 involves going to the space station. Taminger has already gotten the device down to a "suitcase style experiment" that fits within a volume of less than eight cubic feet, but still needs funding and a possible slot aboard one of the remaining space shuttle missions.
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