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Orowan Mechanism in Precipitation Hardening by Souryatanu Saha is a document available to read on EtoBox.
Precipitation hardening increases the strength of alloys by producing a dispersion of particles that act as obstacles to dislocation movement. There are two main mechanisms: (1) Hard particles are bypassed by dislocations through Orowan looping, with strengthening dependent on interparticle spacing. (2) Softer particles are sheared, with maximum strengthening achieved for hard particles of an optimal size. Theoretical models by Orowan and Ashby-Orowan relate strengthening to particle size and spacing, and q
- Author
- Souryatanu Saha
- Language
- EN