Heloisa Ramlow
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View article: Joining alumina to metals: Technologies, challenges, and future prospects for high-performance structures
Joining alumina to metals: Technologies, challenges, and future prospects for high-performance structures Open
Technological advancements are expanding applications for alumina-to-metal components with higher performance demands, such as microelectronic packaging, wear-resistant components for aircraft, biomedical applications, and more. Manufactur…
View article: POTENTIALITY OF HIGH-SPEED LASER CLADDING (HSLC) PROCESS FOR METAL DEPOSITION IN THE BRAZILIAN SCENARIO
POTENTIALITY OF HIGH-SPEED LASER CLADDING (HSLC) PROCESS FOR METAL DEPOSITION IN THE BRAZILIAN SCENARIO Open
This study explores the potential of High-Speed Laser Cladding (HSLC) within the Brazilian context. Given the nascent stage of HSLC technology in Brazil, preliminary experiments were conducted to assess its technical feasibility. AISI 316L…
View article: Thermo-oxidative resistance of C-rich SiCN(O) nonwovens influenced by the pretreatment of the silazane
Thermo-oxidative resistance of C-rich SiCN(O) nonwovens influenced by the pretreatment of the silazane Open
C-rich SiCN(O) ceramic nonwovens with thermo-oxidation resistance up to 600 °C were developed from electrospinning of polyacrylonitrile in combination with different ratios of an oligomeric or polymeric silazane and subsequent pyrolysis. T…
View article: Electrochemical performance of SiCN embedded carbon (SiCN–C) fiber mat electrodes for lithium-ion battery: Electrospinning polysilazane in air or protective atmosphere
Electrochemical performance of SiCN embedded carbon (SiCN–C) fiber mat electrodes for lithium-ion battery: Electrospinning polysilazane in air or protective atmosphere Open
Here polysilazane/polyacrylonitrile fiber mats were manufactured by electrospinning in air or protective atmosphere. After pyrolysis, SiCN embedded carbon (SiCN–C) was tested as lithium-ion battery (LIB) electrode. Fibers electrospun in ni…
View article: Latex and natural rubber: recent advances for biomedical applications
Latex and natural rubber: recent advances for biomedical applications Open
Recently, latex (NRL) and natural rubber (NR) from Hevea brasiliensis have emerged as promising biomaterials from renewable sources for biomedical applications. Although some attempts at commercial applications have been made, there is a n…
View article: Statistical optimization of polysilazane-derived ceramic: Electrospinning with and without organic polymer as a spinning aid for manufacturing thinner fibers
Statistical optimization of polysilazane-derived ceramic: Electrospinning with and without organic polymer as a spinning aid for manufacturing thinner fibers Open
The manufacturing of electrospun mats from preceramic polymers is complex due to low and disperse molecular chain entanglements and a large number of operating parameters. Here, the electrospinning of polysilazane and polysilazane/polyacry…
View article: Smart polymeric materials applied to industry 4.0: A review on electrochromic textiles
Smart polymeric materials applied to industry 4.0: A review on electrochromic textiles Open
Smart polymeric materials are vital to Industry 4.0 for the development of new technologies in order to gather data in real-time, providing useful information to the manufacturing system. In this context, electrochromic textiles have been …