Surface free energy effect on electro-mechanical behavior of piezoelectric thin film with square nanofibers under anti-plane shear

2014 ◽  
Vol 226 (1) ◽  
pp. 149-156 ◽  
Author(s):  
Xue-Qian Fang ◽  
Ming-Juan Huang ◽  
Zi-Tao Zhu ◽  
Jin-Xi Liu
Keyword(s):  
Thin Film ◽  
Free Energy ◽  
Mechanical Behavior ◽  
Surface Free Energy ◽  
Plane Shear ◽  
Energy Effect ◽  
Piezoelectric Thin Film

Investigation on the morphology and surface free energy of the AlGaN thin film

2015 ◽  
Vol 653 ◽  
pp. 162-167 ◽  
Author(s):  
Soner Özen ◽  
Volkan Şenay ◽  
Suat Pat ◽  
Şadan Korkmaz
Keyword(s):  
Thin Film ◽  
Free Energy ◽  
Surface Free Energy

INFLUENCE OF SURFACE FREE ENERGY ON ADHESION OF CrN THIN FILM DEPOSITED BY AIP METHOD

2012 ◽  
Vol 06 ◽  
pp. 509-514 ◽  
Author(s):  
HIKARU NOUDA ◽  
HIROATSU ODA ◽  
DAISUKE YONEKURA ◽  
RI-ICHI MURAKAMI
Keyword(s):  
Thin Film ◽  
Free Energy ◽  
Surface Free Energy ◽  
High Speed ◽  
Gas Flow ◽  
Sessile Drop ◽  
Ion Bombardment ◽  
Polar Component ◽  
Scratch Testing ◽  
The Relationship

The purpose of this study is to examine the relationship between adhesion of CrN thin film and the surface free energy of substrate. CrN film was deposited on JIS SKH2 high speed tool steel by arc ion plating (AIP) method. The surface free energy of the substrate was measured with/without ion bombardment process using nitrogen and argon gas under various gas flow rate before CrN deposition. The surface free energy was measured by the sessile drop method using distilled water and methylene iodide. The adhesion was evaluated by scratch testing and the relationship between a critical load and the surface free energy in each ion bombardment condition was discussed. As a result, it was found that the adhesion increased with decreasing the surface free energy, in particular the polar component strongly affects the adhesion.

Analysis of nano-plates by atomistic-refined models accounting for surface free energy effect

2013 ◽  
Vol 225 (1) ◽  
pp. 31-51 ◽  
Author(s):  
G. Giunta ◽  
Y. Koutsawa ◽  
S. Belouettar ◽  
H. Hu
Keyword(s):  
Free Energy ◽  
Surface Free Energy ◽  
Energy Effect

Surface free energy effect on bacterial retention

2006 ◽  
Vol 48 (2) ◽  
pp. 143-147 ◽  
Author(s):  
C.I. Pereni ◽  
Q. Zhao ◽  
Y. Liu ◽  
E. Abel
Keyword(s):  
Free Energy ◽  
Surface Free Energy ◽  
Energy Effect

The effect of surface free energy on the fracture behaviors of nanoparticle-reinforced composites

2021 ◽  
pp. 108128652110276
Author(s):  
YM Zhang ◽  
M Fan ◽  
ZM Xiao ◽  
WG Zhang
Keyword(s):  
Free Energy ◽  
Surface Free Energy ◽  
Dominant Role ◽  
Plastic Zone Size ◽  
Analytical Investigation ◽  
Matrix Composites ◽  
Reinforced Composites ◽  
Energy Effect ◽  
Inelastic Structures ◽  
Fracture Behaviors

By considering the surface free energy effect, an analytical investigation on the fracture behaviors of nanoparticle-reinforced composites was performed in this study. The plastic zones ahead of the crack tips based on the Irwin model were introduced in our analysis, which has a significant influence on the fracture toughness of inelastic structures, especially for polymer and metal matrix composites. Take copper and aluminum nanoparticles as examples, comprehensive parametric studies were conducted to investigate the interaction between a Griffith crack and the nearby nanoparticle. It was found that for nanoparticles with the radius of less than 10 nm, apart from the mechanical property of the nanoparticle, the surface free energy effect plays a dominant role in determining the fracture behaviors of the nanoparticle-reinforced composites. Moreover, taking the surface free energy into account, a decrease in the plastic zone size is obtained, particularly for the crack tip nearer the nanoparticle.

Effect of surface free energy in gate dielectric in pentacene thin-film transistors

2006 ◽  
Vol 89 (11) ◽  
pp. 112126 ◽  
Author(s):  
Wei-Yang Chou ◽  
Chia-Wei Kuo ◽  
Horng-Long Cheng ◽  
Yi-Ren Chen ◽  
Fu-Ching Tang ◽  
...  
Keyword(s):  
Thin Film ◽  
Free Energy ◽  
Surface Free Energy ◽  
Thin Film Transistors ◽  
Gate Dielectric ◽  
Effect Of Surface
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