Measurement of free surface energy of laser treated aluminum substrate

Batishcheva, Kseniya; Feoktistov, Dmitriy; Islamova, Anastasia; Shanenkov, Ivan

doi:10.1051/matecconf/201711001026

MATEC Web Conf.

2017

DOI: 10.1051/matecconf/201711001026

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Measurement of free surface energy of laser treated aluminum substrate

Kseniya Batishcheva

Dmitriy Feoktistov

Anastasia Islamova

et al.

Abstract: Abstract. The change in the surface energy of the aluminum substrate after laser treatment has been determined experimentally. Surface energy is determined using the Advance KRUSS software. The laser treatment of the surface is found to increase its free surface energy. It changes the ratio of the polar and the dispersion components. Analysis of the crystalline planes of aluminum surface after laser treatment was provided by XRD X-ray diffractometry using a Shimadzu XRD 7000S diffractometer.

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Controllable Structure Design of an Organic Gel-Infused Porous Surface for Efficient Anti- and De-icing

Lin,

Song,

et al. 2024

Langmuir

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Icing causes many problems in daily life and with equipment stability, and many efforts have been made to remove surface icing. Herein, a novel organic gel-infused porous material is developed to achieve excellent de-icing performance. Porous polydimethylsiloxane (P-PDMS) composites with different pore sizes were prepared by a template method. The two-phase skeletons and/or gel material was obtained by infusing PDMS gel into P-PDMS (GIP-PDMS). The ice adhesion strength of GIP-PDMS under static and dynamic icing conditions was comparatively investigated. The results show that GIP-PDMS displayed excellent anti-icing performance, and the delay freezing time of GIP-PDMS1 was ∼4554 s at −5 °C. The ice adhesion strength of GIP-PDMS was much lower than that of P-PDMS, owing to the distinct modulus between the two-phase skeletons and/or gel. The simulation results indicated that the stress concentration promoted ice fracture and contributed to weak ice adhesion. Molecular dynamics further showed that the state of the molecular chains and the interfacial interaction between ice and PDMS gel at 268 K helped to decrease the shear force.

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Controllable Structure Design of an Organic Gel-Infused Porous Surface for Efficient Anti- and De-icing

Lin,

Song,

et al. 2024

Langmuir

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show abstract

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Measurement of free surface energy of laser treated aluminum substrate

Cited by 1 publication

References 12 publications

Controllable Structure Design of an Organic Gel-Infused Porous Surface for Efficient Anti- and De-icing

Controllable Structure Design of an Organic Gel-Infused Porous Surface for Efficient Anti- and De-icing

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