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Title: Pulsed Laser Beam Welding of Pd43Cu27Ni10P20 Bulk Metallic Glass

Journal Article · · Scientific Reports
 [1];  [2];  [3];  [2];  [2];  [2];  [4];  [5];  [2];  [2]
  1. Yale Univ., New Haven, CT (United States); Beihang Univ., Beijing (China)
  2. Yale Univ., New Haven, CT (United States)
  3. Lanzhou Univ. of Technology, Lanzhou (China); Univ. of Kentucky, Lexington, KY (United States)
  4. Beihang Univ., Beijing (China)
  5. Univ. of Kentucky, Lexington, KY (United States)

We used pulsed laser beam welding method to join Pd43Cu27Ni10P20 (at.%) bulk metallic glass and characterized the properties of the joint. Fusion zone and heat-affected zone in the weld joint can be maintained completely amorphous as confirmed by X-ray diffraction and differential scanning calorimetry. No visible defects were observed in the weld joint. Nanoindentation and bend tests were carried out to determine the mechanical properties of the weld joint. Fusion zone and heat-affected zone exhibit very similar elastic moduli and hardness when compared to the base material, and the weld joint shows high ductility in bending which is accomplished through the operation of multiple shear bands. Furthermore, our results reveal that pulsed laser beam welding under appropriate processing parameters provides a practical viable method to join bulk metallic glasses.

Research Organization:
Yale Univ., New Haven, CT (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22). Materials Sciences & Engineering Division
Grant/Contract Number:
SC0004889
OSTI ID:
1474116
Journal Information:
Scientific Reports, Vol. 7, Issue 1; ISSN 2045-2322
Publisher:
Nature Publishing GroupCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 21 works
Citation information provided by
Web of Science

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Microstructures in the joint of zirconium-based bulk metallic glass and copper journal November 2018

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