TY - JOUR
T1 - Concurrent Formation of Metallic Glass During Laser Forward Transfer 3D Printing
AU - Gorodesky, Niv
AU - Sedghani-Cohen, Sharona
AU - Altman, Marc
AU - Fogel, Ofer
AU - Cohen-Taguri, Gili
AU - Fleger, Yafit
AU - Kotler, Zvi
AU - Zalevsky, Zeev
N1 - Publisher Copyright:
© 2020 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
PY - 2020/6/1
Y1 - 2020/6/1
N2 - In recent years, bulk metallic glasses (BMGs) have drawn much research attention and are shown to be of industrial interest due to their superior mechanical properties and resistance to corrosion. In spite of the interest in harnessing MG for microelectromechanical systems devices, there are limitations in manufacturing such micrometer-scale structures. A novel approach for the fabrication of 3D MG structures using laser-induced forward transfer (LIFT) is demonstrated. Inherent tremendous cooling rates associated with the metal LIFT process (≈1010 k s−1) make the formation of a variety of BMGs accessible, including also various binary compositions. In this work, it is demonstrated that LIFT printing of ZrPd-based metallic glass microstructures can also be performed under ambient conditions. X-ray diffraction analysis of the printed structures reveals > 95% of amorphous metal phase. Taking advantage of the properties of BMG, high quality printing of high aspect ratio BMG pillars, and microbridges are demonstrated. It is also shown how a composite, amorphous-crystalline metal structure with a required configuration can be fabricated using multimaterial LIFT printing. The inherent high resolution of the method combined with the noncontact and multimaterial printing capacity makes LIFT a valuable additive manufacturing technique to produce metallic glass-based devices.
AB - In recent years, bulk metallic glasses (BMGs) have drawn much research attention and are shown to be of industrial interest due to their superior mechanical properties and resistance to corrosion. In spite of the interest in harnessing MG for microelectromechanical systems devices, there are limitations in manufacturing such micrometer-scale structures. A novel approach for the fabrication of 3D MG structures using laser-induced forward transfer (LIFT) is demonstrated. Inherent tremendous cooling rates associated with the metal LIFT process (≈1010 k s−1) make the formation of a variety of BMGs accessible, including also various binary compositions. In this work, it is demonstrated that LIFT printing of ZrPd-based metallic glass microstructures can also be performed under ambient conditions. X-ray diffraction analysis of the printed structures reveals > 95% of amorphous metal phase. Taking advantage of the properties of BMG, high quality printing of high aspect ratio BMG pillars, and microbridges are demonstrated. It is also shown how a composite, amorphous-crystalline metal structure with a required configuration can be fabricated using multimaterial LIFT printing. The inherent high resolution of the method combined with the noncontact and multimaterial printing capacity makes LIFT a valuable additive manufacturing technique to produce metallic glass-based devices.
KW - 3D metal printing
KW - additive manufacturing
KW - metal glass
KW - mixed metal structures
UR - http://www.scopus.com/inward/record.url?scp=85084435282&partnerID=8YFLogxK
U2 - 10.1002/adfm.202001260
DO - 10.1002/adfm.202001260
M3 - ???researchoutput.researchoutputtypes.contributiontojournal.article???
AN - SCOPUS:85084435282
SN - 1616-301X
VL - 30
JO - Advanced Functional Materials
JF - Advanced Functional Materials
IS - 25
M1 - 2001260
ER -