CURT 发表于 2025-3-30 11:21:08
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Managing the Fraser River Basinnew model has been developed, the mathematical form of which is Δ... aictan(.+.). + .(.....). where Δ.. is the measured weight gain per unit surface area, . is the time and a, . and . are constants. It is shown that this law yields apparently consistent parabolic rate constants, .., and activation e专横 发表于 2025-3-31 04:41:17
David Marshall,Steve Litke,Theresa Fresco the presence of oxide melts is of great importance for the oxidative corrosion of silicon nitride (and silicon carbide) materials. The stability of the silicon dioxide in the presence of oxide corrodant to silicon nitride is in turn controlled by phase equilibrium relationships involving silicon dimagnanimity 发表于 2025-3-31 05:28:58
David Marshall,Steve Litke,Theresa Frescoperties such as strength, creep, fatigue behaviour are strongly dependent on the atmosphere at high temperatures. Basic studies show the influence of second phases in the ceramic material, of the oxygen partial pressure, of nitrogen, sulfur and chlorine on the strength properties of silicon carbide最初 发表于 2025-3-31 11:55:46
Qing Ling,Wei Xu,Manxi Wang,Yongcheng Liother key silicon-based ceramic, silicon carbide. Results presented here include oxidation rates, and some effects related to the formation of a compositionally graded suboxide interlayer during the oxidation of silicon nitride. A unique, noninterfacial oxidation mechanism is shown to account for thConfound 发表于 2025-3-31 16:31:41
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