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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