Journal
MATERIALS
Volume 15, Issue 22, Pages -Publisher
MDPI
DOI: 10.3390/ma15228063
Keywords
laser-induced forward transfer; high-entropy alloys; microparticles
Categories
Funding
- Australian Research Council [IC180100005, LP190100505, DP190103284]
- Australian Synchrotron [EU18414]
- Australian Research Council [IC180100005, LP190100505] Funding Source: Australian Research Council
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The controlled deposition of CoCrFeNiMo0.2 high-entropy alloy microparticles was achieved using laser-induced forward transfer (LIFT), allowing the control of microparticle morphology at different fluences.
The controlled deposition of CoCrFeNiMo0.2 high-entropy alloy (HEA) microparticles was achieved by using laser-induced forward transfer (LIFT). Ultra-short laser pulses of 230 fs of 515 nm wavelength were tightly focused into similar to 2.4 mu m focal spots on the similar to 50-nm thick plasma-sputtered films of CoCrFeNiMo0.2. The morphology of HEA microparticles can be controlled at different fluences. The HEA films were transferred onto glass substrates by magnetron sputtering in a vacuum (10(-8) atm) from the thermal spray-coated substrates. The absorption coefficient of CoCrFeNiMo0.2 alpha approximate to 6 x 10(5) cm(-1) was determined at 600-nm wavelength. The real and imaginary parts of the refractive index (n + ik) of HEA were determined from reflectance and transmittance by using nanofilms.
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