Shaped parts having uniform mechanical properties, comprising solid metallic glass
OwnerMoritz Stolpe, Martin Schlott +2inventors
InventorsMoritz Stolpe, Martin Schlott, Eugen Milke, Ralf Busch
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Abstract
The invention relates to a method for producing a shaped part comprising a solid metallic glass. According to the method, a preform is shaped below the glass transition temperature and is then heated to a temperature above the glass transition temperature.
Claims16
1) A method for the production of a shaped part comprising a bulk metallic glass, characterized by the following steps:
- a. providing a preform comprising a bulk metallic glass,
- b. repeated plastic deformation of the preform comprising a bulk metallic glass in several steps with a deformation Δd, wherein the temperature T1 of the preform is below the glass transition temperature of the bulk metallic glass, and
- c. heating the preform to a temperature T2 above the glass transition temperature and below the crystallization temperature to obtain a shaped part comprising a bulk metallic glass,
- wherein the plastic deformation in step b) takes place in such a way that the deformation Δd increases with an increasing number of steps.
12) (canceled)
13) (canceled)
14) A shaped part comprising a bulk metallic glass, wherein the shaped part has a diameter of at least 200 μm in at least one dimension, characterized in that the bulk metallic glass has a flexural strength of at most 15% which is below the flexural strength of the cast alloy.
Dependencies are inferred from the claim text.