Crystallgraphic Texture Analysis Using Thermal Expansion Measurements on Polycrystalline TbxDy 1-x
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Engineering topics
Publications and source records attributed to Graetz, J..
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At cryogenic temperatures, TbDy alloys exhibit giant magnetostriction, which makes these materials interesting for engineering service in cryogenics actuators, valves, and positioners.
Magnetostrictive actuators based on TbDy alloys show promise for use as actuators on cryogenic devices. They can be made to deliver large forces and useful displacements below liquid nitrogen temperatures, with many advantages over piezoelectric actuators or motion feedthroughs from higher temperature actuators.