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¹Yale University, Mechanical Engineering, New Haven, CT 06511, USA. jan.schroers@yale.edu

Advanced Materials (Deerfield Beach, Fla.)

|May 25, 2010

Summary

This summary is machine-generated.

Bulk metallic glasses (BMGs) offer unique properties but face processing challenges. Thermoplastic forming (TPF) presents a novel processing opportunity by utilizing BMG softening near their glass-transition temperature.

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Methods of Ex Situ and In Situ Investigations of Structural Transformations: The Case of Crystallization of Metallic Glasses

Published on: June 7, 2018

Area of Science:

Materials Science
Metallurgy
Amorphous Metals

Background:

Bulk metallic glasses (BMGs) are multicomponent alloys known for their ease of vitrification and superior properties compared to conventional materials.
The metastable nature of BMGs hinders widespread commercial use due to processing limitations that conflict with traditional metal processing.
Crystallization research in BMG formers has revealed new processing avenues.

Purpose of the Study:

To review crystallization processes in bulk metallic glass formers.
To summarize and compare thermoplastic forming (TPF)-based processing methods for BMGs.
To assess advancements needed for the commercial utilization of BMGs.

Main Methods:

Review of crystallization processes in bulk metallic glass formers.
Summary and comparison of thermoplastic forming (TPF) techniques.
Analysis of scientific and technological requirements for BMG commercialization.

Main Results:

Thermoplastic forming (TPF) leverages the dramatic softening of BMGs near their glass-transition temperature.
TPF decouples the glass formation cooling rate from the forming step, offering unique processing advantages.
Crystallization behavior in BMG formers is key to unlocking TPF opportunities.

Conclusions:

Thermoplastic forming (TPF) offers a promising processing route for bulk metallic glasses (BMGs).
Overcoming processing barriers is crucial for the broader commercial adoption of BMGs.
Further scientific and technological advancements are required to fully realize the potential of BMGs.