Replication of nano/micro-scale features using bulk metallic glass mold prepared by femtosecond laser and imprint processes

2013 ◽  
Vol 23 (3) ◽  
pp. 035030 ◽  
Author(s):  
Y C Chen ◽  
J P Chu ◽  
J S C Jang ◽  
C W Hsieh ◽  
Y Yang ◽  
...  
Keyword(s):  
Metallic Glass ◽  
Femtosecond Laser ◽  
Bulk Metallic Glass ◽  
Glass Mold ◽  
Micro Scale

Femtosecond Laser Ablation of Zr55Al10Ni5Cu30 Bulk Metallic Glass

2007 ◽  
Vol 539-543 ◽  
pp. 1951-1954 ◽  
Author(s):  
Tomokazu Sano ◽  
Kengo Takahashi ◽  
Akio Hirose ◽  
Kojiro F. Kobayashi
Keyword(s):  
Laser Ablation ◽  
Metallic Glass ◽  
Femtosecond Laser ◽  
Bulk Metallic Glass ◽  
Pulse Energy ◽  
Femtosecond Laser Ablation ◽  
Laser Pulses ◽  
Femtosecond Laser Pulses ◽  
Ablation Depth ◽  
Polished Surface

Dependence of the femtosecond laser ablation depth on the laser pulse energy was investigated for Zr55Al10Ni5Cu30 bulk metallic glass. Investigation of the femtosecond laser ablation of bulk metallic glasses has not been reported. Femtosecond laser pulses (wavelength of 800 nm, pulse width of 100 fs, pulse energies of 2 – 900 μJ) were focused and irradiated on the polished surface of metals in air. The ablation depth of the metallic glass is deeper than that of its crystallized metal at a pulse energy in the strong ablation region. We suggest that the energy loss at grain boundaries of hot electrons which is accelerated by the laser electric field influence the ablation depth in the strong ablation region.

scholarly journals A Novel Micro-Scale Plastic Deformation Feature on a Bulk Metallic Glass Surface under Laser Shock Peening

2013 ◽  
Vol 30 (3) ◽  
pp. 036201 ◽  
Author(s):  
Yan-Peng Wei ◽  
Bing-Chen Wei ◽  
Xi Wang ◽  
Guang-Yue Xu ◽  
Lei Li ◽  
...  
Keyword(s):  
Plastic Deformation ◽  
Metallic Glass ◽  
Bulk Metallic Glass ◽  
Glass Surface ◽  
Laser Shock Peening ◽  
Laser Shock ◽  
Micro Scale ◽  
Deformation Feature ◽  
Shock Peening

Polymer micro molding with bulk metallic glass mold

2014 ◽  
Vol 21 (7) ◽  
pp. 1453-1457 ◽  
Author(s):  
Xiang Zhang ◽  
Jiang Ma ◽  
Ge Fang ◽  
Bingli Sun ◽  
Junfeng Li ◽  
...  
Keyword(s):  
Metallic Glass ◽  
Bulk Metallic Glass ◽  
Glass Mold ◽  
Micro Molding

Modeling and experimental investigation of polymer micropart demolding from a Zr‐based bulk metallic glass mold

2019 ◽  
Vol 59 (11) ◽  
pp. 2202-2210
Author(s):  
Xiang Zhang ◽  
Zhenxing Wang ◽  
Haotong Li ◽  
Chuanyu Hou ◽  
Xiaoya Kong ◽  
...  
Keyword(s):  
Experimental Investigation ◽  
Metallic Glass ◽  
Bulk Metallic Glass ◽  
Glass Mold

scholarly journals Transformation of Surface Morphology by Femtosecond Laser Irradiation for Improving Bioactivity of The Ti-based Bulk Metallic Glass

2011 ◽  
Vol 39 (5) ◽  
pp. 347-353 ◽  
Author(s):  
Togo SHINONAGA ◽  
Masahiro TSUKAMOTO ◽  
Sayaka MARUYAMA ◽  
Nobuhiro MATSUSHITA ◽  
Takeshi WADA ◽  
...  
Keyword(s):  
Metallic Glass ◽  
Femtosecond Laser ◽  
Surface Morphology ◽  
Laser Irradiation ◽  
Bulk Metallic Glass ◽  
Femtosecond Laser Irradiation

Polymer Micro Hot Embossing with Bulk Metallic Glass Mold Insert

2012 ◽  
Vol 510 ◽  
pp. 639-644 ◽  
Author(s):  
Xiang Zhang ◽  
Jiang Ma ◽  
Ran Bai ◽  
Qian Li ◽  
Bing Li Sun ◽  
...  
Keyword(s):  
Metallic Glass ◽  
Bulk Metallic Glass ◽  
Silicon Wafer ◽  
Mold Insert ◽  
Hot Embossing ◽  
Glass Mold ◽  
Mold Material ◽  
Icp Etching ◽  
Polymer Microstructures ◽  
Micro Features

Polymer microstructures are used more and more in many fields. Hot embossing is one of molding processing to achieve micro polymer components. In this paper, bulk metallic glass was selected as mold material to fabricate mold insert of micro hot embossing. Traditional UV-lithography and ICP-etching were used to achieve micro features on silicon wafer. And then, micro features were transferred from silicon wafer to bulk metallic glass mold insert above its glass transition temperature. Finally, applied bulk metallic glass mold insert to replicate polymer microstructure with hot embossing. Three commonly used thermoplastic polymers: high-density polyethylene (HDPE), polypropylene (PP) and polycarbonate (PC) were selected in this study. Experiments show that microstructures can have a good replication from bulk metallic glass mold insert to the thermoplastic polymer using hot embossing.

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