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Bioscience

Biomaterials

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Displaying 201 - 225 of 3439

Towards Optimization of Patterned Superhydrophobic Surfaces

October 12, 2021
Author(s)
Bharat Bhushan, Michael Nosonovsky, Yong C. Jung
Experimental and theoretical study of wetting properties of patterned Si surfaces with cylindrical flat-top pillars of various sizes and pitch distances is presented. The values of the contact angle (CA), contact angle hysteresis (CAH) and tilt angle (TA)

Tribological Performance of Head-Disk Interface Due to Nanoasperity Impacts

October 12, 2021
Author(s)
Tze J. Chuang, Stephen M. Hsu
During the track accessing mode ofa hard disk drive, theflying height of the slider over thedisk surface becomes smaller and smaller as the demand in data storage density increases. As aresult, the propensity of glide avalanche is bound to increase when

Understanding Deviations in Lithographic Patterns Near Interfaces: Characterization of Antireflective Coatings (ARC) and the ARC/Resist Interface

October 12, 2021
Author(s)
Joseph~undefined~undefined~undefined~undefined~undefined Lenhart, Daniel A. Fischer, S Sambasivan, Eric K. Lin, Wen-Li Wu, Douglas Guerrero, Yijun Wang, R Puligadda
Interactions between a bottom anti-reflective coating (BARC) and a photo-resist can critically impact lithographic patterns. For example, a lithographic pattern can shrink or spread near a BARC interface, a process called undercutting or footing

Viscous Flow Creep in Ceramics Containing Secondary Crystalline Phases

October 12, 2021
Author(s)
Q Jin, D S. Wilkinson, G C. Weatherly, William E. Luecke, Sheldon M. Wiederhorn
Experimental observations of the creep response of a Y 20 3-fluxed Si 3N 4 containing secondary crystalline phases(SP)are presented.The widths of grain-boundary amorphous films before and after creep have been characterized by using transmission electron

Volumetric and Size Characterization of Void Morphologies in Thermally Sprayed Metallic Deposits Using Scattering Techniques

October 12, 2021
Author(s)
T Keller, W. Wagner, J Ilavsky, Andrew J. Allen, N Margadant, S Siegmann, J Pisacka, G Barbezat, R Enzl
The complex void microstructure of thermally sprayed deposits may be approximated by three major void syste(interlamellar pores, intralamellar cracks, and volumetric globular voids), each with different volume fractions,anisotropies, sizes and shapes. This

Wear Analysis of UHMWPE Using a Load Sum Method

October 12, 2021
Author(s)
M C. Shen, Stephen M. Hsu, John A. Tesk, A Christou
An accelerated wear test pro-cedure has been developed for wear screening of ultra-high molecular weight polyethylene (UHMWPE) using a new wear tester. Results showed that the test procedure was able to discriminate known wear level samples within seven
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