Laser melting modes in metal powder bed fusion additive manufacturing
In the laser powder bed fusion additive manufacturing of metals, extreme thermal conditions
create many highly dynamic physical phenomena, such as vaporization and recoil …
create many highly dynamic physical phenomena, such as vaporization and recoil …
Laser synthesis and processing of colloids: fundamentals and applications
Driven by functionality and purity demand for applications of inorganic nanoparticle colloids
in optics, biology, and energy, their surface chemistry has become a topic of intensive …
in optics, biology, and energy, their surface chemistry has become a topic of intensive …
Critical instability at moving keyhole tip generates porosity in laser melting
Laser powder bed fusion is a dominant metal 3D printing technology. However, porosity
defects remain a challenge for fatigue-sensitive applications. Some porosity is associated …
defects remain a challenge for fatigue-sensitive applications. Some porosity is associated …
Optic cavitation with CW lasers: A review
JP Padilla-Martinez, C Berrospe-Rodriguez… - Physics of …, 2014 - pubs.aip.org
The most common method to generate optic cavitation involves the focusing of short-pulsed
lasers in a transparent liquid media. In this work, we review a novel method of optic …
lasers in a transparent liquid media. In this work, we review a novel method of optic …
[HTML][HTML] Synchrotron validation of inline coherent imaging for tracking laser keyhole depth
In situ monitoring is critical to the increasing adoption of laser powder bed fusion (LPBF) and
laser welding by industry for manufacture of complex metallic components. Optical …
laser welding by industry for manufacture of complex metallic components. Optical …
Low-temperature laser-stimulated controllable generation of micro-bubbles in a water suspension of absorptive colloid particles
A method is described for the generation of micrometer-sized vapor-gas bubbles in a water
suspension containing absorptive pigment nanoparticles. The diluted suspension (mean …
suspension containing absorptive pigment nanoparticles. The diluted suspension (mean …
Controllable generation and manipulation of micro-bubbles in water with absorptive colloid particles by CW laser radiation
Micrometer-sized vapor-gas bubbles are formed due to local heating of a water suspension
containing absorptive pigment particles of 100 nm diameter. The heating is performed by …
containing absorptive pigment particles of 100 nm diameter. The heating is performed by …
The formation of a cumulative jet during the collapse of a vapor bubble in a subcooled liquid formed as a result of laser heating
VM Chudnovskii, AA Levin, VI Yusupov… - International Journal of …, 2020 - Elsevier
This paper presents the results of an experimental study of boiling of substantially subcooled
liquid initiated by its local heating through the concentrated laser radiation transmitted to the …
liquid initiated by its local heating through the concentrated laser radiation transmitted to the …
Bubble dynamics and speed of jets for needle-free injections produced by thermocavitation
NE González-Sierra, JM Perez-Corte… - Journal of …, 2023 - spiedigitallibrary.org
Significance The number of injections administered has increased dramatically worldwide
due to vaccination campaigns following the COVID-19 pandemic, creating a problem of …
due to vaccination campaigns following the COVID-19 pandemic, creating a problem of …
[HTML][HTML] Ultrasound pulse generation through continuous-wave laser excited thermo-cavitation for all-optical ultrasound imaging
H Liu, Y Wu, C Hou, Z Chen, B Shen, Z Luo, H Liang… - Apl Photonics, 2023 - pubs.aip.org
The optical generation of pulsed ultrasound is attractive to nondestructive testing and
biological imaging, especially for those involving narrow operation space or strong electro …
biological imaging, especially for those involving narrow operation space or strong electro …