How much heat in joules must be added to 0.894 kg of beryllium to change it from a solid at 932°C to a liquid at 1285°C (its meltingpoint)?For beryllium: L₁ = 1.35×106 J/kg, Lv = 3.24×10 J/kg, c = 1820 J/kg C°Q =

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Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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26) Given the T-T-T curve below, select the process that will result in a microstructure of nearly all bainite. a. Cool to 400°C, hold for 20 seconds, then quench to room temperature b. Cool to 500°C, hold for 10 seconds, then quench to room temperature c. Quench to 125°C, hold for 10 seconds, then reheat to 600°C for more than 100 seconds d. Cool to 725°C, hold for 1,000 seconds, then quench to 125°C e. Cool to 600°C, hold for 1 second, the quench to room temperature Temperature (°C) f. none of the above 900 800 H A+C 1600 1400 700- 1200 A+P 600 P 1000 500H A+B 800 400- Temperature (°F) 4 A 300- M(start) 200 M(50%) 100- M(90%) 600 50% T 0 1 10 102 103 10 105 106 Time (s) 400 200 27) Fatigue failure situations are typically dependent upon which combination of the following factors? a. Slip plane, slip direction, and orientation of the applied load b. Yield strength, elastic modulus, and ductility of the material c. Temperature, time, and applied stress d. Stress amplitude, frequency of…
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How much heat in joules must be added to 0.894 kg of beryllium to change it from a solid at 932°C to a liquid at 1285°C (its melting point)? For beryllium: L₁ = 1.35×106 J/kg, Lv = 3.24×10 J/kg, c = 1820 J/kg C° Q =