image database: CuAs-alloys

Following the links below, you can find images of cross-sections of different Cu-As alloys. In the upper right corner, you have the indication for the percentage of Arsenic, followed by the indication of annealing time (in min.), the amount of deformation (in %), and the magnification (the bars with the indication of size are in a separate image). Just ignore ‘quer’ or ‘copy’ in the filename. The samples were first deformed (and yes, it is possible to deform CuAs-alloys up to 98% without cracking!), and then annealed. All samples are cross-sections.

To give you an example: Image ‘1As_20min_40def_quer_100x_3 copy’ means that a sample of CuAs-alloy with 1 wt.% As was 40% deformed and afterwards annealed for 20min. The magnification is 100x.

Here is the overview of samples and treatment:

  • Chemical composition: 1, 2, 3, 4, 5, 10 wt.% As
  • deformation (cold rolling): 0, 20, 40, 60, 80, 98%
  • annealing time: 0, 20, 40, 80 min at 600°C in reduced atmosphere
  • After annealing, the samples were quenched in water.

Images (follow the links):

…be patient with the scratches: The alloys arereally soft after annealing and it wasn’t a pleasant experience to polish these samples!

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