The Work-Hardening Characteristics of Aluminium Single Crystals Containing Silicon Particles

ium alloys. As silicon particles grew up over a few hundred angstroms in diameter by over-ageing, the stress-strain curves showed a small extent of easy glide (first region) and subsequently a region of rapid hardening (second region). The work-hardening of both regions could be expressed by two parabolic curves. The work-hardening of the first region decreased with increasing particle size and could be roughly described by Ashby's parabolic relation, although there were some ambiguities in determining the rate of work-hardening of the crystals with large particles.

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