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Additive friction stir deposition: a deformation processing route to metal additive manufacturing
This article outlines key advantages of additive friction stir deposition, e.g. rendering fully-dense material in the as-printed state with fine, equiaxed microstructures, identifies its niche engineering uses, and points out future research needs in process physics and materials innovation.
Date:
November 24, 2020
Creator:
Yu, Hang Z. & Mishra, Rajiv
System:
The UNT Digital Library
Sub-wavelength lateral detection of tissue-approximating masses using an ultrasonic metamaterial lens
Article demonstrating a phononic metamaterial lens (ML) for detection of laterally subwavelength object features in tissue-like phantoms beyond the phononic crystal evanescent zone and Fresnel zone of the emitter.
Date:
November 24, 2020
Creator:
Walker, Ezekiel; Jin, Yuqi; Reyes, Delfino & Neogi, Arup
System:
The UNT Digital Library