Answer Happy

10 to 12 please
10- What are the methods to improve the fatigue life of alloys? 11- Explain the term 'Creep' and explain each zone in creep strain and time graph Rupture At Primary -Secondary: Instantaneous deformation tr Time, t 12- Using the Larson-Miller data for the S-590 alloy shown in Figure, predict the time to rupture for a component that is subjected to a stress of 140 MPa at 800 °C (1073 K). 103 T(20+ log t,)(°R-h) 45 50 25 1 T 1000 Creep strain, € Stress (MPa) 100 10 12 Δε 30 35 40 16 Tertiary 20 24 10³ 7(20+ log t,)(K-h) 28