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| NASA Successfully Tests 3D-Printed |
| NASA Successfully Tests 3D-Printed Rocket Engine Parts
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| UNITED STATES OF AMERICA
, 14-November-2014
8:28:55 AM |
| NASA has successfully tested 3D manufactured copper parts for rocket engines and found they could withstand the heat and pressure required for space launches.
Aerojet Rocketdyne (AR) at NASA's Glenn Research Centre in partnership with NASA successfully completed the first hot-fire tests on an advanced rocket engine thrust chamber assembly using copper alloy materials.
This was the first time a series of rigorous tests confirmed that 3-D manufactured copper parts could withstand the heat and pressure required of combustion engines used in space launches, NASA said.
In all, NASA and AR conducted 19 hot-fire tests on four injector and thrust chamber assembly configurations, exploring various mixture ratios and injector operability points and were deemed fully successful against the planned test programme.
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"The successful hot fire test of subscale engine components provides confidence in the additive manufacturing process and paves the way for full scale development," said Tyler Hickman, lead engineer for the test at Glenn.
The work is a major milestone in the development and certification of different materials used in this manufacturing process, NASA said.
According to AR, copper alloys offer unique challenges to the additive manufacturing processes. The micro-structure and material properties can be well below typical copper
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