Table 4 Load loss rate of disc spring with t = 1 h.

From: Theoretical and experimental research on long life prediction of the locking system of the space station docking mechanism

Relaxation temperature

Initial test load

t = 1 h test load

Load loss rate ΔP/P0(%)

90 °C

37,000 N

36475.3 N

1.4181

120 °C

37,000 N

36224.7 N

2.0954

150 °C

37,000 N

35946.1 N

2.8484

180 °C

37,000 N

35901.9 N

2.9703

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