نتایج جستجو برای: coatings

تعداد نتایج: 23145  

2016
Kyong-Hoon Choi Jung-Gil Kim Byungman Kang Ho-Joong Kim Bong Joo Park

We developed a two-step chemical bonding process using photosensitizer molecules to fabricate photofunctional nanolayer coatings on hematoporphyrin- (HP-) coated Ti substrates. In the first step, 3-aminopropyltriethoxysilane was covalently functionalized onto the surface of the Ti substrates to provide heterogeneous sites for immobilizing the HP molecules. Then, HP molecules with carboxyl group...

2017
Hopkinson Hague

This paper provides a quantitative and qualitative assessment of the effects of electroplating on polymer parts made by stereolithography and laser sintering. A series of test samples were coated with copper and nickel with varying thickness. Thicker coatings (120μm) were reproduced with a repeatability that should not adversely affect the tolerances with which such parts may be produced given ...

2014
Yongqiang Liang Haoyan Li Jiang Xu Xin Li Mengchun Qi Min Hu

Surface modification techniques have been applied to generate titanium implant surfaces that promote osseointegration for use in dental applications. In this study, strontium-doped brushite coatings were deposited on titanium by electrochemical deposition. The phase composition of the coating was investigated by energy dispersive X-ray spectroscopy and X-ray diffraction. The surface morphologie...

Journal: :Langmuir : the ACS journal of surfaces and colloids 2009
Lindsey B Jerrim Orlin D Velev

Convective assembly at high volume fraction was used for the rapid deposition of uniform, close-packed coatings of Saccharomyces cerevisiae yeast cells onto glass slides. A computational model was developed to calculate the thickness profiles of such coatings for different set of conditions. Both the experiments and the numerical simulations demonstrated that the deposition process is strongly ...

2002
S. H. Lawrence A. W. Webb

For centuries, owners of private, commercial and military sea vessels have attempted, with varying degrees of success, to surface treat their underwater hulls with coatings to prevent the adhesion and/or growth of large fouling organisms that cause severe drag, reducing vessel speed and maneuverability, and increasing fuel consumption. Two major approaches are currently under development: (1) “...

Journal: :Molecules 2017
Małgorzata Mizielińska Łukasz Łopusiewicz Monika Mężyńska Artur Bartkowiak

The influence of accelerated UV-A and Q-SUN irradiation on the antimicrobial properties of coatings containing ZnO nanoparticles was investigated using a polyethylene (PE) film covering. The results of the study showed that Methyl Hydroxypropyl Celluloses (MHPC) coatings did not influence the growth of S. aureus, B. cereus, E. coli, P. aeruginosa or C. albicans cells. MHPC coatings containing Z...

2016
Sabrina Schmidt-Emrich Philipp Stiefel Patrick Rupper Heinz Katzenmeier Caroline Amberg Katharina Maniura-Weber Qun Ren

Textiles are frequently colonized by microorganisms leading to undesired consequences like hygienic problems. Biocidal coatings often raise environmental and health concerns, thus sustainable, biocide-free coatings are of interest. To develop novel anti-adhesive textile coatings, a rapid, reliable, and quantitative high-throughput method to study microbial attachment to fabrics is required, how...

2015
E. Bannier M. Vicent E. Rayón R. Benavente

Alumina-titania coatings are widely used in industry for wear, abrasion or corrosion protection components. Such layers are commonly deposited by atmospheric plasma spraying (APS) using powder as feedstock. In this study, both Al2O3 and Al2O3-13 wt% TiO2 coatings were deposited on austenitic stainless steel coupons by suspension plasma spraying (SPS). Two commercial suspensions of nanosized Al2...

2008
Xing-zhao Ding X. T. Zeng C. Wang T. Yue C. Q. Sun

In this work, CrAlN and TiAlN coatings were deposited on stainless steel substrates by a vacuum arc reactive deposition process from two lateral rotating elemental aluminum and chromium or titanium cathodes in a flowing pure nitrogen atmosphere. The composition and crystalline structure of the as-deposited coatings was analyzed by energy dispersive analysis of X-rays (EDX) and X-ray diffraction...

2018
Hyosung An Touseef Habib Smit Shah Huili Gao Miladin Radovic Micah J Green Jodie L Lutkenhaus

Stretchable, bendable, and foldable conductive coatings are crucial for wearable electronics and biometric sensors. These coatings should maintain functionality while simultaneously interfacing with different types of surfaces undergoing mechanical deformation. MXene sheets as conductive two-dimensional nanomaterials are promising for this purpose, but it is still extremely difficult to form su...

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