The copper alloy lath of the band Sn clads of excellent heat resistance

The copper alloy lath of the band Sn clads of excellent heat resistance

  • CN 103,660,426 B
  • Filed: 08/26/2013
  • Issued: 06/16/2017
  • Est. Priority Date: 08/29/2012
  • Status: Active Grant
First Claim
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1. the copper alloy lath of the band Sn clads of a kind of excellent heat resistance, it is characterised in thatThe surface bag being made up of Ni layers, Cu-Sn alloy-layers and Sn layers is sequentially formed on the mother metal surface being made up of copper alloy lathCoating, described Ni layers average thickness is 0.1~3.0 μ

  • m, the average thickness of the Cu-Sn alloy-layers is 0.2~3.0 μ

    m, instituteSn layers of average thickness is stated for 0.01~5.0 μ

    m, and the Cu-Sn alloy-layers are made up of η

    phases,Material surface after being heated 1000 hours with 160 DEG C in an atmosphere, does not exist apart from the position of most surface 15nm depthCu2O。

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