An astronaut leaves the Space Shuttle and space walks 20 yards away from it. The temperature surrounding him/her, independent of his/her space suit or body temperatures is what???
Falling debris may have caused the pivotal damage on Columbia (I don't understand how such large relative velocity was generated so quickly, though). But there is a widespread problem that the pre-launch, launch and in-flight loads were inarguably, severely undercalculated. Any avoidance of this...
Cryogenic treatment is of benefit to steel for specific metallurgical reasons. I had actually heard some anecdotal comments that strangely enough the process also showed benefit for carbide tooling. But you should ask a company doing that work.
