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首页> 外文会议>Symposium on Sulfide Smelting 2002, Feb 17-21, 2002, Seattle, Washington >PIPE COIL SELECTION FOR CAST COPPER COOLING BLOCKS
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PIPE COIL SELECTION FOR CAST COPPER COOLING BLOCKS

机译：铸铜冷却块的管材选择

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摘要

A copper alloy to be used for coils in cast copper cooling blocks has been identified and samples prepared for metallurgical examination and destructive testing to compare with cast cooling blocks manufactured from copper and nickel-copper alloy pipes. The copper alloy allows for the formation of a metallurgical bond between the pipe and the cast copper during the casting process, which does not normally occur with pure copper or nickel-copper alloy pipes. The alloy's coefficient of thermal expansion is also much closer to that of pure copper compared with nickel-copper alloys, so there is less strain induced at the pipe-cast copper interface due to differential thermal expansion. It is expected that this new pipe coil alloy and associated casting techniques will allow for the production of cast copper cooling blocks that have greatly enhanced service life in high heat load applications compared to existing technologies.
机译：已经确定了用于铸造铜冷却块中的线圈的铜合金，并准备了用于冶金检查和破坏性测试的样品，以与由铜和镍铜合金管制造的铸造冷却块进行比较。铜合金允许在铸造过程中在管道和铸铜之间形成冶金结合，这在纯铜或镍-铜合金管道中通常不会发生。与镍铜合金相比，该合金的热膨胀系数也非常接近纯铜，因此，由于差异的热膨胀，在管铸铜界面处引起的应变较小。期望这种新的管卷合金和相关的铸造技术将允许生产铸铜冷却块，与现有技术相比，该铸铜冷却块在高热负荷应用中的使用寿命大大延长。

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