Wednesday, October 22, 2014 8:47:40 PM
"New Methods for Developing and Manufacturing Compliant Mechanisms Utilizing Bulk Metallic Glass"
By Eric R. Homer, Matthew B. Harris, Shannon A. Zirbel, Joanna A. Kolodziejska,Henry Kozachkov, Brian P. Trease, John-Paul C. Borgonia, Gregory S. Agnes, Larry L. Howelland Douglas C. Hofmann
Early commercial-grade BMGs fabricated through die-casting were well-known for having carbide inclusions from the graphite casting crucible, excessive oxygen content from poor vacuums, unknown compositions (due to the use of pre-curser materials with unknown concentrations of impurities), low fracture toughness and low fatigue limits.[24] Supplementary Figures 3–5 show an early casting mold and various low-grade components that failed. In the current work, a new injection casting technology is implemented to fabricate the bistable CM shown in Figure 2.[24, 25]
24. Liquidmetal® Technologies, Inc. Rancho Santa, Margarita, CA, USA.
25. Visser Precision Cast®, Denver, CO, USA
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