نتایج جستجو برای: silicon steel
تعداد نتایج: 161438 فیلتر نتایج به سال:
the effect of secondary steelmaking processes such as desulphurization, removal of inclusions and vacuumdegassing followed by hot forging and hardening heat treatment on the microstructure and mechanical properties of a hot-work w500 tool steel have been studied in details. in order to follow the progress of secondary steel making, the content of impurity elements such as s, p, o, h and n were ...
Amorphous hydrogenated silicon (a-Si:H) is known to be a perspective material for negative electrodes of modern lithium-ion batteries. The electrochemical lithium insertion into thin-film a-Si:H electrodes is studied using chronopotentiometry, cyclic voltammetry (CV), and electrochemical impedance spectroscopy (EIS). The electrodes were grown on stainless-steel substrates by glow discharge at t...
We present a new and simple laser-based process to porosify thin film silicon using a pulsed laser. During deposition, we incorporate gas atoms or molecules into the Si thin film. Pulsed laser radiation of wavelength λ = 532 nm heats up thin film Si beyond its melting point. Upon heating, gas atoms or molecules form nm-sized thermally expanding gas bubbles in the silicon melt, until they explos...
Surface texturing-plasma nitriding duplex treatment was conducted on AISI 316 stainless steel to improve its tribological performance. Tribological behaviors of ground 316 substrates, plasma-nitrided 316 (PN-316), surface-textured 316 (ST-316), and duplex-treated 316 (DT-316) in air and under grease lubrication were investigated using a pin-on-disc rotary tribometer against counterparts of high...
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