Laser bonding and characterization of Kapton® FN/Ti and Teflon® FEP/Ti systems
| Autor: | Taslema Sultana, Rahul Patwa, Golam Newaz, Gregory W. Auner, Grigor L. Georgiev, Hans Herfurth, Ronald J. Baird |
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| Přispěvatelé: | Publica |
| Rok vydání: | 2009 |
| Předmět: |
Materials science
Bond strength Scanning electron microscope Mechanical Engineering Far-infrared laser Analytical chemistry chemistry.chemical_element Kapton chemistry.chemical_compound Fluorinated ethylene propylene X-ray photoelectron spectroscopy chemistry Mechanics of Materials General Materials Science Laser bonding Composite material Titanium |
| Zdroj: | Journal of Materials Science. 44:882-888 |
| ISSN: | 1573-4803 0022-2461 |
| DOI: | 10.1007/s10853-008-3187-8 |
| Popis: | Kapton® FN and Teflon® FEP (fluorinated ethylene propylene) polymers are resistant to most chemical solvents, heat sealable, and have low moisture uptake, which make them attractive as packaging materials for electronics and implantable devices. Kapton® FN/Ti and Teflon® FEP/Ti microjoints were fabricated by using focused infrared laser irradiation. Laser-bonded samples were tested with a micro-testing machine under lap shear load and the bond strength was determined. The bond strength for the Kapton® FN/Ti and Teflon® FEP/Ti systems was found to be 3.32 and 8.48 N/mm(2), respectively. The failure mode of the mechanically tested samples was studied by using optical microscopy and scanning electron microscopy coupled with energy dispersive X-ray spectroscopy. Chemical interactions during laser bonding of Kapton® FN to titanium were studied by using X-ray photoelectron spectroscopy (XPS). The XPS results give evidence for the formation of Ti-F bonds in the interfacial region. |
| Databáze: | OpenAIRE |
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