نتایج جستجو برای: pvd coatings
تعداد نتایج: 24563 فیلتر نتایج به سال:
Vanadium dioxide (VO 2 ) undergoes semiconductor-metal phase transition (SMPT) at the ambient temperature. Due to this fact, it becomes perspective material for thermo sensors, thermo switchers, optical switchers and shutters, IR sensors, thermochromic coatings, smart coatings for glasses, holographic elements, and elements of energy-independent memory. By now, there is no doubt that the charac...
The production of barrier packaging materials, e.g., for food, by physical vapor deposition (PVD) of inorganic coatings such as aluminum on polymer substrates is an established and well understood functionalization technique today. In order to achieve a sufficient barrier against gases, a coating thickness of approximately 40 nm aluminum is necessary. This review provides a holistic overview of...
Abstract Physical vapor deposition (PVD) sputtering is a promising technique for the generation of electrically conductive coatings on complex structured biomaterials, such as nonwovens, that can be used in implants. The ultra-thin fulfil variety purposes, drug depot or biosensor. aim our studies was to determine feasibility generating thin silver (Ag) poly-L-lactide (PLLA) nonwovens by and the...
A variety of analytical techniques have been developed and employed to characterize the surfaces, subsurfaces and interfaces of surface engineering systems. They provide important information for quality control, process optimization and further development. Since the mid 1980's, glow discharge spectrometry (GDS) has emerged as an important and versatile technique for rapid depth profiling anal...
Nitride coatings with excellent hardness and wear resistance have been deposited by physical vapor deposition (PVD) in recent years. For most applications, the load bearing and adhesion of coatings are very important and can determine the life and performance of the final components. In this study, CrN/CrAlN nanostructured coatings with different thicknesses and numberes of layers were deposite...
This work reports on recent advances in the deposition of non-wettable coatings with high water contact angles (WCAs). We propose a simple and easily-controlled method for fabricating different types of nanoestructured films of Al2O3 with hydrophobic properties by Physical Vapour Deposition (PVD). The films have been deposited over three types of hydrophilic substrates with very different value...
Physical vapor deposition (PVD) is one of the most important techniques for coating fabrication. With traditional trial-and-error approach, it labor-intensive and challenging to determine optimal process parameters PVD coatings with best properties. A combination three-dimensional (3-D) quantitative phase–field simulation a hierarchical multi-objective optimization strategy was, therefore, deve...
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