In-situ synthesis of Zr-based bulk metallic glass composites with periodic amorphous-crystalline microstructure for improved ductility via laser direct deposition

Liu, Shunyu; Dhiman, Abhijeet; Shin, Yung C.; Tomar, Vikas; Zhang, Samuel T.

doi:10.1016/j.intermet.2019.106503

Cited by 22 publications

(5 citation statements)

References 73 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The first BMG fabricated via DED was reported in 2017 [96]. Several other Zr-and Fe-based BMGs were produced since then [97][98][99][100][101][102][103][104].…”

Section: Direct Energy Deposition (Ded)mentioning

confidence: 99%

“…Limitations of DED arise from the lower accuracy, the presence of de fects and residual stresses, and the need for a computer numerical control (CNC) robot The first BMG fabricated via DED was reported in 2017 [96]. Several other Zr-and Febased BMGs were produced since then [97][98][99][100][101][102][103][104].…”

Section: Direct Energy Deposition (Ded)mentioning

confidence: 99%

“…In 2016, the first Zrbased BMG was fabricated via AM [85]. A lot of attention has been attracted to the production of Zr-based BMGs in the last five years [5,28,[32][33][34]36,40,41,[45][46][47]50,51,53,[55][56][57][58]60,61,63,66,67,[69][70][71][72]74,[77][78][79][80][81][82]85,86,[91][92][93][94][95][96][97][98][99][101][102][103][104][107]<...>…”

Section: Based On Zirconiummentioning

confidence: 99%

“…Lin et al [95] used the notion of annealing effect and Liu et al [99] used the notions of tempering, instead of structural relaxation, to explain the crystallization mechanism in the HAZ of BMGs during AM processing. These notions are basically the same.…”

Section: Figure 30mentioning

confidence: 99%

“…Liu et al [99] used pure premixed powders of Zr, Cu, Al, and Ni to fabricate BMGCs using DED. Some of the larger powder particles that were not completely melted could act as pre-existing nuclei and form crystals in the melt pool.…”

Section: Controlled Crystallization and Composite Formationmentioning

confidence: 99%

See 4 more Smart Citations

Additive Manufacturing of Bulk Metallic Glasses—Process, Challenges and Properties: A Review

Sohrabi

Jhabvala

Logé

2021

Metals

View full text Add to dashboard Cite

Bulk Metallic Glasses (BMG) are metallic alloys that have the ability to solidify in an amorphous state. BMGs show enhanced properties, for instance, high hardness, strength, and excellent corrosion and wear resistance. BMGs produced by conventional methods are limited in size due to the high cooling rates required to avoid crystallization and the associated detrimental mechanical properties. Additive manufacturing (AM) techniques are a potential solution to this problem as the interaction between the heat source, e.g., laser, and the feedstock, e.g., powder, is short and confined to a small volume. However, producing amorphous parts with AM techniques with mechanical properties comparable to as-cast samples remains a challenge for most BMGs, and a complete understanding of the crystallization mechanisms is missing. This review paper tries to cover recent progress in this field and develop a thorough understanding of the correlation between different aspects of the topic. The following subjects are addressed: (i) AM techniques used for the fabrication of BMGs, (ii) particular BMGs used in AM, (iii) specific challenges in AM of BMGs such as the control of defects and crystallization, (iv) process optimization of mechanical properties, and (v) future trends.

show abstract

“…The first BMG fabricated via DED was reported in 2017 [96]. Several other Zr-and Fe-based BMGs were produced since then [97][98][99][100][101][102][103][104].…”

Section: Direct Energy Deposition (Ded)mentioning

confidence: 99%