| 1. | Yield strength is increased in a cold-worked material.
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| 2. | So S355 has a minimum yield strength of 355 MPa.
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| 3. | Higher dislocation density increases yield strength and causes work hardening of metals.
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| 4. | The greater the tensile cold working, the lower the compressive yield strength.
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| 5. | The next set of 3 digits gives the steel s minimum yield strength.
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| 6. | The yield strength of this steel is also higher.
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| 7. | Where \ sigma is the applied yield strength.
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| 8. | It may increase, decrease or leave unaffected the yield strength of the material.
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| 9. | Not every area of the cross-section will have exceeded the yield strength.
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| 10. | So, by changing grain size one can influence dislocation movement and yield strength.
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मोबाइल