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Table 1 Chemical composition of precipitate and metal matrix (mass fraction, %)

From: Wear Characteristics of the Nuclear Control Rod Drive Mechanism (CRDM) Movable Latch Serviced in High Temperature Water

Element

Co

Cr

Fe

C

Ni

W

Si

Point A

14.2

68.5

0.0

11.8

0.0

3.0

0.0

Point B

60.1

19.4

6.8

4.5

3.6

2.8

1.8