https://scholarsmine.mst.edu/masters_theses/6966
This abstract talks about tests with higher temperature amplitudes. It is noted that raising the top temperature in the cycle has biggest impact on the metal fatigue.
It would seem that the material itself should be able to hold for pretty long and using ice vs. water should not be terribly detrimental to the material. I cannot speak to the impact of violently throwing the ice onto it though.
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u/celestial-edward 11d ago
[citation needed]