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Chinese Journal of Mechanical Engineering

Table 1 Composition of fly-ash cenospheres (mass fraction, %)

From: Copper-Free Resin-Based Braking Materials: A New Approach for Substituting Copper with Fly-Ash Cenospheres in Composites

Composition

SiO2

Al2O3

Fe2O3

CaO

MgO

K2O

Na2O

Others

Content

53.2

37.71

4.18

0.07

2.63

1.24

0.30

0.67

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