α氧化铝-铝合金的润湿现象及其机理
WETTING PHENOMENA AND ITS MECHANISM OF ALUMINA/AI ALLOY SYSTEM
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摘要: 通过座滴法(Sessile drop method)测定了真空条件下几种铝合金与α氧化铝多晶的润湿角,研究了温度和Mg,Cu等合金元素对α氧化铝-铝润湿性的影响,并通过金相观察、电子探针能谱分析、X射线衍射测试,原子吸收光谱定量分析等手段,探讨了润湿机理和实验过程中出现的一些现象。Abstract: The contact angles of molten Al and saveral Al alloys on polycrystal-line-Alumina were measured by sessile drop method in vacuum.The effects of temperature and currently used alloying elements such as Mg,Cu,Si and Fe on the wettability of Alumina/Al system wars investigated.The wetting phenomena and interfacial reactions were observed and analyzed with metallographic microscope,microprobe x-ray diffraction,atom absorption spectroscop9 qualitative analysis,etc.
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