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What is Mild Steel Chamber Vacuum Characteristics about?

Vacuum characteristic of a chamber made of mild steel was measured and compared to that of a stainless steel chamber. The base pressure achieved in the mild steel chamber was 2.7×10-11 mbar, only slightly higher than the 1.2×10-10 mbar achieved in the stainless steel chamber. Rate-of-rise measurements showed the outgassing rate of the mild steel was extremely low at 2.6×10-13 mbar l-1 s-1 cm-2, about an order of magnitude lower than typical stainless steels. Vacuum annealing the mild steel further reduced t

Author
nmz787
Language
EN