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Table 6 Values and the ordinal number of indexes for the 5 levels of Factor C

From: Experimental Study on the Reduction Effect of Pit Texture on Disassembly Damage for Interference Fit

Factor C (texture shape)

Index

Q

Sn

Sm

P>200 MPa-R

Pmin-V

\(\overline{{K_{i} }}\)

Ordinal

\(\overline{{K_{i} }}\)(μm2)

Ordinal

\(\overline{{K_{i} }}\)(μm2)

Ordinal

Value (%)

Ordinal

Value (MPa)

Ordinal

Square

0.762

5th

69589.40

3rd

28978.07

2nd

4.91

4th

121.58

3rd

Circular

0.432

1st

51346.43

2nd

31382.18

3rd

4.52

2nd

105.09

2nd

Elliptical-1

0.548

3rd

40219.26

1st

52065.03

5th

3.10

1st

91.62

1st

Elliptical-2

0.474

2nd

83111.63

4th

23833.42

1st

Rhombic

0.728

4th

99699.19

5th

44028.67

4th

4.77

3rd

123.4

4th

  1. The mean values \(\overline{{K_{i} }}\) of Q come from the data of Table 3
  2. The mean values \(\overline{{K_{i} }}\) of Sn and Sm are calculated according the data with the same level of Factor C in Table 5
  3. P>200 MPa-R is the area ratio of the surface contact pressure greater than 200 MPa on the surface of texture units under 100 MPa load, and these units’ texture surface density is 30% and the equivalent circle diameter is 100 μm
  4. Pmin-V is the minimum contact pressure on the surface of texture units under 100 MPa load, and these units’ texture surface density is 30% and the equivalent circle diameter is 100 μm