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Fabrication of an aluminum, Caribbean-style, musical pan: Metallurgical and acoustical characterization

机译：铝制加勒比风格音乐锅的制造：冶金和声学表征

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摘要

We report herein the first development and fabrication of a 6061 aluminum alloy pan and compare its tuning and acoustic spectra for selected notes with a standard low-carbon steel Caribbean pan fabricated from a 210-L barrel. The experimental aluminum alloy pan was completely manufactured by welding a 1.68-mm-thick head sheet to a 9-mm2 aluminum alloy hoop, sinking the head by pneumatic hammering and welding a 1.15-mm-thick aluminum alloy side or skill to the hoop. This experimental pan was 0.66m in diameter, in contrast to the 210-L steel barrel standard, which had a diameter of 0.57m. Chromatic tones were observed for most rim notes on the aluminum alloy pan, but the highest octave range notes at the pan bottom were not tuned. Microstructural characterization by light optical metallography and transmission electron microscopy illustrated the necessity for high dislocation densities and associated hardness in order to stabilize the notes and to assure their chromatic tuning.
机译：我们在此报告6061铝合金锅的首次开发和制造，并将所选音符的调谐和声谱与由210升桶制成的标准低碳钢加勒比锅进行比较。通过将1.68毫米厚的顶板焊接到9毫米2的铝合金箍上，通过气动锤击沉下头部并将厚1.15毫米的铝合金面或技能焊接到箍上，完全可以制造出实验铝合金锅。与直径为0.57m的210升钢桶标准相比，该实验盘的直径为0.66m。铝合金锅架上的大多数轮缘音符都观察到了色调，但锅底的最高八度音阶范围音符并未调音。光光学金相学和透射电子显微镜的显微结构表征表明，为了稳定音符并确保其色度调整，需要高位错密度和相关的硬度。

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