Global Journal of Science Frontier Research, A: Physics and Space Science, Volume 22 Issue 1

1.6 1.7 1.8 1.9 -4 -3 -2 -1 A.E.=45.6 KJ/mole 1000/T(K -1 ) LowTemp. Range. 523 K 543 K 563 K 583 K 603 K 623 K 643 K Al-8Zn Ln( ε tr ) (a) 1.6 1.7 1.8 1.9 -4 -3 -2 -1 A.E.=39.8 KJ/mole LowTemp. Range. Ln( ε tr ) 1000/T(K -1 ) Al-85Zn 313 K 323K 333 K 343 K 353 K 363 K 373 K (b) Figure (9): Relationship through in strain transient and 1000/temperature (Kelvin) for a) Al-8Zn, and b) Al-85Zn for low temperature range 1.6 1.7 1.8 1.9 -4 -3 -2 -1 A.E.=62.4 KJ/mole 1000/T(K -1 ) High Temp. Range. 523 K 543 K 563 K 583 K 603 K 623 K 643 K Al-8Zn Ln( ε tr ) (a) Figure (10): Relationship through in strain transient and 1000/temperature (Kelvin) for a) Al-8Zn, and b) Al-85Zn for high temperature range Table (2): Competition for transient strain-time coefficient A.E. (kJmol -1 ) β eta Exp. n Samples 45.6 : 62.4 20.2 : 28.8 0.31 : 0.85 Aluminum-8Zinc 39.8 : 45.7 18.1 : 26.0 0.44 : 1.22 Aluminum-85Zinc For interfacing the relation through two strain- time intervals; the connections through in β eta and in strain rate steady is illustrated in Figure eleven; the value of in β eta/ln strain rate steady denotes amounts for γ ; it is clear that the value of γ is higher for Aluminum-85 Zinc than the second Samples; therefore Al-85Zn alloys are more superplastic than Al-8Zn alloys. Influence about Zinc for Transient; Steady State Creep Properties, Microstructure and Characteristics in Aluminum Alloys 1 Year 2022 37 © 2022 Global Journals Global Journal of Science Frontier Research Volume XXII Issue ersion I VI ( A )