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Drawing of rods, wires and tubes

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Effects <strong>of</strong> semi die angle <strong>and</strong> reduction per pass on<br />

longitudinal residual stress in cold-drawn brass wire<br />

(by Linicus <strong>and</strong> Sachs)<br />

• At a given reduction,<br />

αααα longitudinal stress<br />

• Maximum values <strong>of</strong><br />

longitudinal residual stress<br />

~ 15-35% reduction in<br />

area.<br />

Tapany Udomphol<br />

Suranaree University <strong>of</strong> Technology Jan-Mar 2007

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