B5
yea, a guard heater
be a bit of a buggar in an environmental chamber - but doable
an interesting matl is cu-co-be UNS C17500 with a thermal conductivity of 180 and a Rockwell B hardness of 100 vs. 37 for cu
- I cannot find a hard brass with any conductivity, and bronze is worse
the combination of thermal conductivity and hardness probably has many answers, as do the material plus machining cost implications
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