نتایج جستجو برای: fe cr c mo
تعداد نتایج: 1177653 فیلتر نتایج به سال:
The effects of alloying elements (Si, Cr, Mo) on the solution and diffusion oxygen (O) atoms at grain boundary iron (Fe) Σ5(310)/[001] are investigated by simulations ab initio density functional theory (DFT). It is found that Si, Mo Cr prefer to segregate boundary, further affect O Fe boundaries. segregated promotes O, while Si inhibit boundary. Meanwhile, accelerate retards in Further analysi...
the fabrication of complex-shaped parts out of (wt %) co-28cr-6mo alloy by three-dimensional printing (3dp) was studied using two grades of the alloy with average particle sizes of 20 and 75 μm. to produce sound specimens, 3dp processing parameters were tuned. the sintering behavior of the powders was characterized by the dilatometric analysis. batch sintering in argon atmosphere at 1280 °c for...
The possible contribution of Al, Ba, Cd, Co, Cr, Cu, Fe, Mn, Mo, Pb, Sb, Sr, Ti, V and Zn from geothermal exploitation to the environmental contami nation of Mt. Amiata was evaluated by assaying the epiphytic lichen Parmelia sulcata from two sampling areas: Piancastagnaio, where there are geothermal power plants, and a remote site distant from geothermal power plants. The results showed that t...
Twenty-six chemical elements and oxidative status were determined in serum of 12 patients with first demyelinating episode and brain magnetic resonance imaging compatible with the disease at different time points. Quantifications of Al, Ba, Be, Bi, Ca, Cd, Co, Cr, Cu, Fe, Hg, Li, Mg, Mn, Mo, Ni, Pb, Sb, Si, Sn, Sr, V, Tl, W, Zn and Zr, as well as of serum oxidative status and antioxidant capaci...
Recently a group of two-dimensional materials called MXenes have been discovered and they have demonstrated their potential in Li rechargeable batteries. Herein, the Na storage and ion migration properties of M2C-type MXenes (M = Ti, V, Cr, Mn, Fe, Co, Ni, Nb, Mo) were investigated using density functional theory (DFT) calculations, and were compared to the Li case. Based on the average voltage...
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