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Additive manufacturing using polyamide-12
Santrauka Laurynas Peciukonis ADITYVIOJI GAMYBA PANAUDOJANT POLIAMIDĄ–12 Selektyvus lazerinis sulydymas (angl. selective laser sintering, SLS) jau ilgai įsitvirtinusi adityvios gamybos technologija, tačiau jos kaina iki šios išlieka aukšta dėl sudėtingos prietaisų konstrukcijos lyginant su kitais tokios gamybos būdais.
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Permeation Properties of Laser-Sintered Polyamide 12 Sheets in Comparison to an Extruded Polyamide 12 Film [PDF]
, 2020 Laser sintering of polymers is widely used for the production of individual products and small-batch series. However, the qualification of laser-sintered polymeric components for new application fields, e.g. in the food and packaging industry, is still limited due to missing knowledge on physicochemical material properties.
Anna Liebrich +3 more
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The crystallization kinetics of polyamide-12 [PDF]
Colloid & Polymer Science, 2001 The crystallization kinetics of polyamide-12 has been investigated using a combination of differential scanning calorimetry (DSC) and hot-stage optical microscopy. The DSC data for isothermal crystallization were consistent with a simple two-parameter Avrami model for isothermal crystallization and optical measurements of the spherulite growth rates ...
C. J. G. Plummer +3 more
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Fusion bonding of polyamide 12 [PDF]
Polymer Engineering & Science, 2001 AbstractThe strength of fusion bonds between polyamide 12 plaques has been investigated as a function of processing conditions, using the double cantilever beam geometry to measure the mode I critical strain energy release rate, Gc. Bonding was carried out using an instrumented press, which allowed systematic variation of the bonding time, the holding ...
J.‐E. Zanetto +3 more
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Thermal Conductivity Measurements of Polyamide 12 [PDF]
, 2011 An important component in understanding the laser sintering process is knowledge of the thermal properties of the processed material. Thermal conductivity measurements of pure polyamide 12 were conducted based on transient plane source technology using a Hot Disk® TPS500 conductivity measurement device.
Yuan, Mengqi +2 more
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Effect of temperature on the fracture behavior of polyamide 12 and glass-filled polyamide 12 processed by selective laser sintering [PDF]
Engineering Fracture Mechanics, 2018 Abstract The influence of the orientation and of the temperature on the mechanical properties of the polyamide 12 (PA12) and the polyamide 12 reinforced with glass beads processed via Selective Laser Sintering was analyzed. Tensile and fracture tests were performed at −50 °C, 23 °C and 50 °C with applied load perpendicular and parallel to the layered
A.J. Cano, A. Salazar, J. Rodríguez
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Oxyluminescence of polyamide 12
Polymer Degradation and Stability, 1994Abstract The oxyluminescence of unstabilised samples of polyamide 12 was studied in the temperature range 80–250°C. The chemiluminescence intensity was first recorded at constant oxygen pressure and temperature. The kinetic curves reveal the existence of two kinetic stages.
A Tcharkhtchi +3 more
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Thermoplastic Elastomer Based on Epoxidized Natural Rubber/Polyamide-12 and Co-Polyamide-12 Blends
Advanced Materials Research, 2012Thermoplastic elastomers based on blending of epoxidized natural rubber with 30 mol% epoxide (ENR-30) with polyamide-12 (PA-12) (i.e., ENR-30/PA-12) and blending of ENR-30 with co-polyamide-12 (ENR-30/CO-PA-12) were prepared by dynamic vulcanization technique. It was found that the dynamically cured ENR-30/PA-12 blends exhibited higher tensile strength,
Rawviyanee Romin +2 more
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