Autor: Jeong, M.-S. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Development of Hydrophobic Surgical Forceps using Powder Injection Molding and Surface Treatment
Autorzy:: Park, D. Y.
Park, B. R.
Gal, C. W.
Lin, D.
Han, J. S.
Jeong, M.-S.
Bollina, R.
Hwang, W.
Park, S. J.
Powiązania:: https://bibliotekanauki.pl/articles/352093.pdf
Data publikacji:: 2018
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: powder injection molding
hydrophobic
debinding
sintering
surface treatment
Opis:: Hydrophobic surgical forceps of end-effectors for laparoscopic operations or minimally invasive surgery were developed through powder injection molding (PIM) and surface treatment. Processing conditions for mixing, debinding, and sintering were investigated to produce defect-free components. An optimum solid loading was determined by torque rheometry experiments. The optimized processing conditions for debinding and sintering were designed through the measurement of weight loss and shrinkage behavior by thermogravimetric analysis and dilatometry experiments. After producing the surgical forceps based on the optimized processing conditions via PIM, surface treatment was carried out to generate the hydrophobic structure on the surface.
Źródło:: Archives of Metallurgy and Materials; 2018, 63, 1; 473-480
1733-3490
Pojawia się w:: Archives of Metallurgy and Materials
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Improved Mechanical Properties of Al-Si Alloys by Adding an Extrusion Process to Conventional Processing Method
Autorzy:: Han, J. Y.
Femi, O. E.
Kilicaslan, F.
Jeong, C. U.
Baeg, C. H.
Hong, S. J.
Koo, J. M.
Powiązania:: https://bibliotekanauki.pl/articles/355114.pdf
Data publikacji:: 2017
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: Al-Si alloys
extrusion
mechanical properties
Opis:: In this study, the mechanical properties of Al-Si alloys was improved by selecting higher Si content and avoiding distortion in Al-Si matrix by adding an extrusion process such that the fabrication processes casting and extrusion were in sequence. Cast billets were extruded at ratios 4:1 and 10:1 to obtained two extruded bars with different processing parameters. The as-extruded samples were characterized and investigated for microstructure and mechanical properties. Optical Microscope was used to examined phase morphologies and microstructures of the extruded Al-Si bars. Mechanical properties were conducted on each sample to study the effectiveness of the additional extrusion process in high Si content Al-Si alloys. The result shows that by increasing the extrusion ratio, the size of the primary Si particle reduces leading to a higher density, better tensile and yield strength compared to the cast billet.
Źródło:: Archives of Metallurgy and Materials; 2017, 62, 2B; 1179-1183
1733-3490
Pojawia się w:: Archives of Metallurgy and Materials
Dostawca treści:: Biblioteka Nauki

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