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Strain rate sensitivity of the flow stress in drawn powder metallurgical tungsten wires

✍ Scribed by A.T Nagy; P.N Ignácz; L Varga; I Gaál

Book ID
116058577
Publisher
Elsevier Science
Year
1974
Weight
116 KB
Volume
8
Category
Article
ISSN
0036-9748

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✍ Butt, M. Z. ;Ashraf, M. 📂 Article 📅 1999 🏛 John Wiley and Sons 🌐 English ⚖ 159 KB 👁 2 views

The strain-rate sensitivity of flow stress (3X7 Â 10 À3 s À1 3X7 Â 10 À4 s À1 ) in fine-grain polycrystalline copper has been studied over the entire stress±strain curve at room temperature. It is observed that the yield stress varies with mean grain diameter (32 to 59 mm) in accord with the Hall-Pe