Issue 62

R. J. Bright et alii, Frattura ed Integrità Strutturale, 62 (2022) 426-438; DOI: 10.3221/IGF-ESIS.62.29

a)

b)

Dimples

Dimples

Tear Ridges

Pores

Pores

Tear Ridges

c)

d)

Dimples

Dimples

Pores

Tear Ridges

Tear Ridges

Brittle Fracture Zone

Crack

e)

f)

Al 6082 Matrix

Well bonded Reinforcement Particles

Figure 8: Tensile fracture surface morphologies of (a) As-Cast AMC with 7.5 % Metakaolin; (b) Heat-Treated AMC with 7.5 % Metakaolin; (c) As-Cast AMC with 5 wt% Metakaolin + 2.5 wt%. Cu; (d) Heat-Treated AMC with 5 wt.% Metakaolin + 2.5 wt%. Cu; e) and f) Fractographies of AMC with 5 wt% Metakaolin + 2.5 wt%. Cu - showing good bonding between reinforcements and matrix

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