'Slip systems' diaporamas de présentation

Modelling of preferred orientation

699 views • 51 slides

ENG2000 Chapter 4 Mechanical Properties and Failure of Materials

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CHAPTER 6

CHAPTER 6. Mechanical Properties Of Metals - I. 6-1. Processing of Metals - Casting. Most metals are first melted in a furnace. Alloying is done if required. Large ingots are then cast.

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CHAPTER 6

CHAPTER 6. Mechanical Properties Of Metals - I. 6-1. Processing of Metals - Casting. Most metals are first melted in a furnace. Alloying is done if required. Large ingots are then cast.

1.25k views • 41 slides

Crystal Plasticity

Crystal Plasticity. Class One. Window of resolution for dislocation plasticity. Dislocation patterns. Discrete dislocations. Atomistic. Grains. Macroscale. Molecular Dynamics. Discrete Dislocation Theory. Continuously Distributed Dislocation Theory. Crystal Plasticity.

1.47k views • 24 slides

Shun-ichiro Karato Yale University New Haven, CT, USA

Geophysical Anomalies in the Central Pacific Upper Mantle Implications for Water Transport by a Plume. Shun-ichiro Karato Yale University New Haven, CT, USA. Outline. Anomalies in the central Pacific upper mantle Seismic anisotropy Electrical conductivity Some mineral physics background

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Uniaxial and Multiaxial Plastic Deformation of Large Niobium Grains

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Uniaxial and Multiaxial Plastic Deformation of Large Niobium Grains

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Lecture 20: The mechanism of plastic deformation

Lecture 20: The mechanism of plastic deformation. PHYS 430/603 material Laszlo Takacs UMBC Department of Physics. Original defect-free crystal Elastic deformation: bonds are compressed and stretched, but not broken. Plastic deformation by the introduction of dislocations.

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Dislocations

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With tiny precipitate particles

Freedom is an elusive concept. Some men hold themselves prisoner even when they have the power to do as they please and go where they choose, while others are free in their hearts, even as shackles restrain them -Zensunni wisdom. Dislocation interactions. With tiny precipitate particles.

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Dislocations

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CHE 333 Class 14

CHE 333 Class 14. Plastic Deformation of Metals and Recrystallization. Shear Stress and Dislocations Dislocations are moved by Shear Stresses. = applied stress = F/A s n = stress normal to plane t r = shear stress acting in the plane shaded The applied stress can be resolved using

314 views • 13 slides

Slip Systems in FCC

Slip Systems in FCC. Major Slip Systems. Slip in a Zn single crystal. Solid Solution Strengthening. Compression. Tension. Partial cancellation dislocation lattice strains by the impurity. Solid Solution Strengthening. Compression. Tension.

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Twisting a wire lab

Twisting a wire lab. Learning targets for this lab. Students will be able to describe and apply annealing Students can relate the physical changes in a work hardened wire to the internal changes of the crystalline structure. . Copper has crystals.

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