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Most existing metal AM methods rely on expensive thermally initiated melting or sintering procedures, restricting the production of materials with high thermal conductivity. Alternative vain photopolymerization systems require adding target materials or precursors to the photoresin, resulting in increased viscosity, light scattering, and the need for a specific resin composition for each component manufactured. We investigate an AM process where we infuse aqueous metal precursors into gels that are subsequently calcined and reduce the gels to metal structures in an attempt to solve these issues with traditional metal AM methods. To solve these challenges with traditional metal AM methods, we illustrate an AM process where we convert aqueous metal precursors into gels that can be converted into gels that can be used later. We discovered that the rate of mass loss during the calcination process must be controlled to produce dense parts during the calcination process. Metal AM's simple, chemistry-based approach to metal AM gives the ability to produce new classes of metals with non-equilibrium microstructures and improved properties.
Source link: https://doi.org/10.21203/rs.3.rs-1108933/v1
Abstract Zigzag silicon nanowires are attracting growing interest due to their unique physical and chemical characteristics, making them appealing in a variety of industries; however, their manufacture has always been laborious, and the fabrication mechanism for zigzag silicon nanowires remains elusive. It has been found that zigzag-shaped silicon nanowires can be produced at low temperatures under reduced pressure in the presence of glycerol. Direct channels can be obtained at higher temperatures for dispersed AgNPs, which are also shown to be at higher temperatures, while low temperature favors zigzag channels with decreasing arm length.
Source link: https://doi.org/10.1149/2162-8777/ac6d73
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