This research result was published in the new edition of the "Journal of the National Academy of Sciences" online edition.
This research team had previously published a paper in the British magazine Nature, introducing a new method for the development of "metallic glass." At that time they were mainly synthesized with metallic zirconium. However, the relatively high density of zirconium-based "metallic glass" is 5.6 grams to 6.4 grams per cubic centimeter. It is still not ideal for aerospace applications.
Researcher Douglas Hoffman explained that they tried to use titanium metal as the base material and eventually developed a less dense “metallic glass†with a density controlled between 4.5 and 5 grams per cubic centimeter. Compared with other types of "metallic glass", the new "metallic glass" is not inferior to the toughness and ductility.
Titanium is less expensive than zirconium, so the cost of this new "metallic glass" is lower.
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