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| alloys [2023/03/23 13:08] – mete | alloys [2024/01/24 01:46] (current) – [NOTES] mete | ||
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| ===Gamelan Alloys=== | ===Gamelan Alloys=== | ||
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| Bronze alloys in gamelan instruments can very dramatically between various gamelan makers. Of the makers that use Copper Tin alloys, high tin (greater than 17% by weight) are preferred. Typically the traditional alloys used vary between 20-24% tin by weight. ((https:// | Bronze alloys in gamelan instruments can very dramatically between various gamelan makers. Of the makers that use Copper Tin alloys, high tin (greater than 17% by weight) are preferred. Typically the traditional alloys used vary between 20-24% tin by weight. ((https:// | ||
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| ==Forging== | ==Forging== | ||
| Most of the bronze used in gamelan instruments is sand cast at 1100*C and than repeatedly forged at about 600*C, this process has been showed to dramatically increase the acoustic qualities of the material. Forging has been shown to increase the materials density, reduce porosity, and harden the material (work hardening) as well as increase the frequency of the pitches produced. The amount of change caused by forging has the ability to outpace the differences present in various alloys. | Most of the bronze used in gamelan instruments is sand cast at 1100*C and than repeatedly forged at about 600*C, this process has been showed to dramatically increase the acoustic qualities of the material. Forging has been shown to increase the materials density, reduce porosity, and harden the material (work hardening) as well as increase the frequency of the pitches produced. The amount of change caused by forging has the ability to outpace the differences present in various alloys. | ||
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| + | ====NOTES ==== | ||
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