نتایج جستجو برای: nickel electroless

تعداد نتایج: 35523  

Journal: :Journal of the Metal Finishing Society of Japan 1968

2014
Karol Wysokiński Tomasz Stańczyk Katarzyna Gibała Tadeusz Tenderenda Anna Ziołowicz Mateusz Słowikowski Małgorzata Broczkowska Tomasz Nasiłowski

Microstructured optical fibers can be precisely tailored for many different applications, out of which sensing has been found to be particularly interesting. However, placing silica optical fiber sensors in harsh environments results in their quick destruction as a result of the hydrolysis process. In this paper, the degradation mechanism of bare and metal-coated optical fibers at high temperat...

2013
Sandeep Menon Michael Osterman Michael Pecht

Surface finishes are used to preserve and promote solderability of exposed copper metallization on printed wiring boards. While in the best of worlds, the solder used in assembly should dictate the solder interconnect reliability, surface finishes are known to have an effect. The effect of surface finishes on solder interconnect reliability can be particularly strong under high strain rate load...

2017
Xin Wang Ximei Hu Lichen Zhao Dongxu Jiang Peng Chen Pengdong Wang Zhipeng Zhang Shuiqing Liu Chunxiang Cui

By restricting the dilated deformation, surface modification can stimulate multiple shear banding and improve the plasticity of bulk metallic glasses (BMGs). Aimed at modifying the surface of BMGs by thin layers, a crystalline Ni coating with ultrafine grains was coated on the surface of a Ti-based BMG by electroless plating. With a thickness of about 10 μm, the prepared thin coating could effe...

Ch. Dehghanian, N. Eslami Rad*,

Abstract: Electroless Nickel (EN) composite coatings embedded with Cr2O3 and/or MoS2 particles were deposited to combine the characters of both Cr2O3 and MoS2 into one coating in this study. The effects of the co-deposited particles on corrosion behavior of the coating in 3.5% NaCl media were investigated. The results showed that both Ni-P and Ni-P composite coatings had significant improvement...

2017
Shu Huei Hsieh Jhong Min Hsieh Wen Jauh Chen Chia Chih Chuang

In this work, nickel thin films were deposited on texture silicon by electroless plated deposition. The electroless-deposited Ni layers were characterized by scanning electron microscopy (SEM), transmission electron microscopy (TEM), energy dispersive x-ray spectroscopy (EDS), X-ray diffraction analysis (XRD), and sheet resistance measurement. The results indicate that the dominant phase was Ni...

Journal: :Journal of the Korean institute of surface engineering 2014

Journal: :Journal of Electrochemical Science and Technology 2010

Journal: :Corrosion Engineering Science and Technology 2022

Electroless nickel (Ni) immersion gold (Au), commonly referred to by the acronym ENIG, is most common protective coating applied on exposed copper (Cu) traces of printed circuit boards (PCBs). In this work, we elucidate local corrosion mechanism ENIG-Cu system applying microscopic, surface analysis and electrochemical techniques with high spatial resolution provide a comprehensive understanding...

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