نتایج جستجو برای: sintering annealing treatment
تعداد نتایج: 1429830 فیلتر نتایج به سال:
High-entropy alloys are extensively studied due to their very promising properties. However manufacturing methods currently used prepare HEAs complicated, costly, and likely non-industrially scalable processes. This limits evolution poses questions regarding the material's applicability in future. Considering abovementioned point, we developed a novel methodology for efficient HEA production us...
In the area of metal matrix composites, novel reinforcing options are currently being evaluated. Particles amorphous alloys present an interesting possibility to reinforce soft metals. work, interaction between Fe66Cr10Nb5B19 metallic glass and aluminum during spark plasma sintering (SPS) was studied for first time. order trace phase microstructural changes upon sintering, mixtures containing 2...
We have developed a low-cost technique using a conventional microwave oven to grow layered basic zinc acetate (LBZA) nanosheets (NSs) from a zinc acetate, zinc nitrate and HMTA solution in only 2 min. The as-grown crystals and their pyrolytic decomposition into ZnO nanocrystalline NSs are characterized by scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDS), atomic for...
Clathrate hydrates have recently received attention as novel storage and transportation materials for natural gases or hydrogen. These hydrates are treated as powders or particles, and moderate storage temperatures (around 253 K) are set for economic reasons. Thus, it is necessary to consider the sintering of hydrate particles for their easy handling because the hydrates have a framework simila...
This study analyzed the shear bond strength (SBS) of resin composite on zirconia surface to which a specific conditioner was applied before sintering. After sintering of either conditioner-coated or uncoated specimens, both groups were divided into three subgroups by their respective surface modifications (n = 10 per group): no further treatment; etched with hydrofluoric acid; and sandblasted w...
Electrically conductive films are key components in most printed and flexible electronics applications. For the solution processing of conductive films, inks containing silver nanoparticles (AgNPs) remain important because of their relatively easy processing and generally low resistivity after a sintering procedure. Because the commonly used, moderate sintering temperatures of 150-300 °C are st...
A new ultra-rapid process of flash spark plasma sintering is developed. The idea of flash spark plasma sintering (or flash hot pressing - FHP) stems from the conducted theoretical analysis of the role of thermal runaway phenomena for material processing by flash sintering. The major purpose of the present study is to theoretically analyze the thermal runaway nature of flash sintering and to exp...
The importance and use of transparent conducting oxides (TCOs) has grown significantly over the last decade. The most successful of these materials is tin-doped indium oxide (ITO), which can be found in a wide variety of applications including flat-panel displays, functional glass, solar cells, and lightemitting diodes. When deposited as a thin film, the conductivity of an ITO layer commonly re...
In order to improve the chemical stability and modify the biodegradability of bio-glass ceramics materials for certain applications, a correlation between structural and biological properties of bio-glass ceramics is very essential and these properties are found to be greatly dependent on the composition and synthetic parameters of the material. In the present work, an attempt has been made to ...
Hexagonal boron nitride (h-BN) is a well-known material whose use is almost restricted to lubricating applications in domains ranging from metallurgy to cosmetics. Howover, h-BN displays many other interesting properties, opening new perspectives for other engineering applications, such as as a solid lubricant in aeronautics, as the perfect substrate to graphene for electronic devices, etc. How...
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