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首页> 外文期刊>Journal of Materials Engineering and Performance >Comparison of GRCop-84 to Other Cu Alloys with High Thermal Conductivities
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Comparison of GRCop-84 to Other Cu Alloys with High Thermal Conductivities

机译：GRCop-84与其他具有高导热率的铜合金的比较

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摘要

The mechanical properties of six highly conductive copper alloys, GRCop-84, AMZIRC, GlidCop Al-15, Cu-1Cr-0.1Zr, Cu-0.9Cr, and NARloy-Z were compared. Tests were done on as-received hard drawn material, and after a heat treatment designed to simulate a brazing operation at 935 ℃. In the as-received condition AMZIRC, GlidCop Al-15, Cu-1Cr-0.1Zr, and Cu-0.9Cr had excellent strengths at temperatures below 500 ℃. However, the brazing heat treatment substantially decreased the mechanical properties of AMZIRC, Cu-1Cr-0.1Zr, Cu-0.9Cr, and NARloy-Z. The properties of GlidCop Al-15 and GRCop-84 were not significantly affected by the heat treatment. Thus there appear to be advantages to GRCop-84 over AMZIRC, Cu-1Cr-0.1Zr, Cu-0.9Cr, and NARloy-Z if use or processing temperatures greater than 500 ℃ are expected. Ductility was the lowest in GlidCop Al-15 and Cu-0.9Cr; reduction in area was particularly low in GlidCop Al-15 above 500 ℃, and as-received Cu-0.9Cr was brittle between 500 and 650 ℃. Tensile creep tests were done at 500 and 650 ℃; the creep properties of GRCop-84 were superior to those of brazed AMZIRC, Cu-1Cr-0.1Zr, Cu-0.9Cr, and NARloy-Z. In the brazed condition, GRCop-84 was superior to the other alloys due to its greater strength and creep resistance (compared to AMZIRC, Cu-1Cr-0.1Zr, Cu-0.9Cr, and NARloy-Z) and ductility (compared to GlidCop Al-15).
机译：比较了六种高导电性铜合金GRCop-84，AMZIRC，GlidCop Al-15，Cu-1Cr-0.1Zr，Cu-0.9Cr和NARloy-Z的机械性能。在收到的硬拉材料上进行了测试，经过热处理以模拟935℃的钎焊操作。在接收条件下，AMZIRC，GlidCop Al-15，Cu-1Cr-0.1Zr和Cu-0.9Cr在低于500℃的温度下具有优异的强度。但是，钎焊热处理大大降低了AMZIRC，Cu-1Cr-0.1Zr，Cu-0.9Cr和NARloy-Z的机械性能。 GlidCop Al-15和GRCop-84的性能不受热处理的影响。因此，如果预期使用或加工温度高于500℃，则GRCop-84似乎比AMZIRC，Cu-1Cr-0.1Zr，Cu-0.9Cr和NARloy-Z更具优势。在GlidCop Al-15和Cu-0.9Cr中延展性最低。在高于500℃的GlidCop Al-15中，面积减小的幅度特别小，并且在500至650℃之间的初始Cu-0.9Cr脆性。在500和650℃进行拉伸蠕变试验; GRCop-84的蠕变性能优于钎焊AMZIRC，Cu-1Cr-0.1Zr，Cu-0.9Cr和NARloy-Z。在钎焊条件下，GRCop-84由于具有更高的强度和抗蠕变性（与AMZIRC，Cu-1Cr-0.1Zr，Cu-0.9Cr和NARloy-Z相比）和延展性（与GlidCop相比）而优于其他合金Al-15）。

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