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A hypothetical metal having a grain diameter of 0.0082 mm is heated to 500C for 12.5 min, the grain diameter increases to 0.027 mm. Compute the grain diameter when a specimen of the original material is heated at 500C for 100 min. Assume the grain diameter exponent n has a value of 2.

A hypothetical metal having a grain diameter of 0.0082 mm is heated to 500C for 12.5 min, the grain diameter increases to 0.027 mm. Compute the grain diameter when a specimen of the original material is heated at 500C for 100 min. Assume the grain diameter exponent n has a value of 2.

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Po 22Mat_Eng_Test_16_fatigue_27_0 X 22_Mat_Eng_Test_11 recryst_03_ x O File | C:/Users/Asus/AppData/Local/Temp/Temp1_lectures-20220504.zip/22_Mat_Eng_Test_11_recryst_03_04.pdf of 14 + (D Page view A Read aloud T Add text V Draw E Highlight Erase 03 9 latt Problem MUEGYETEM 1 7 8 2 A hypothetical metal having a grain diameter of 0.0082 mm is heated to 500C for 12.5 min, the grain diameter increases to 0.027 mm. Compute the grain diameter when a specimen of the original material is heated at 500C for 100 min. Assume the grain diameter exponent n has a value of 2. 10 62°F ENG 10:30 PM qb Clear US 5/10/2022
Transcribed Image Text:Po 22Mat_Eng_Test_16_fatigue_27_0 X 22_Mat_Eng_Test_11 recryst_03_ x O File | C:/Users/Asus/AppData/Local/Temp/Temp1_lectures-20220504.zip/22_Mat_Eng_Test_11_recryst_03_04.pdf of 14 + (D Page view A Read aloud T Add text V Draw E Highlight Erase 03 9 latt Problem MUEGYETEM 1 7 8 2 A hypothetical metal having a grain diameter of 0.0082 mm is heated to 500C for 12.5 min, the grain diameter increases to 0.027 mm. Compute the grain diameter when a specimen of the original material is heated at 500C for 100 min. Assume the grain diameter exponent n has a value of 2. 10 62°F ENG 10:30 PM qb Clear US 5/10/2022
Po 22Mat_Eng_Test_16_fatigue_27_0 × Po 22_Mat_Eng_Test_11_recryst_03_ X P 22_Mat_Eng_Test_17_creep_02_0 × Po 22_Mat_Eng_Test_17_creep_04_0 X pDE 22_Mat_Eng_Test_17_creep_02_0 X O File | C:/Users/Asus/Downloads/material/22_Mat_Eng_Test_17_creep_02_05.pdf of 12 Q D Page view A Read aloud T Add text V Draw E Highlight O Erase 03 11 att Rupture lifetime MÚE GYETEM 17 8 2 tf = A'o¬me(RT 1000 800 600 650°C tf: time-to-failure/rupture lifetime A', m, Qf: creep-failure constant R= 8.31 J/mol·K T: absolute temperature 400 730°C 200 925°C 815°C 100 80 60 40 What is the rupture lifetime for an S-590 alloy that is exposed to 400 MPa tensile stress at 815 °C? 20 10-4 10-3 10-2 10-1 1 10 102 103 104 105 Rupture lifetime (h) S-590 alloy (Fe, Cr, Ni, Co, W, Mo, Mn, C) 12 62°F ENG 10:32 PM qb Clear US 5/10/2022 Stress (MPa)
Transcribed Image Text:Po 22Mat_Eng_Test_16_fatigue_27_0 × Po 22_Mat_Eng_Test_11_recryst_03_ X P 22_Mat_Eng_Test_17_creep_02_0 × Po 22_Mat_Eng_Test_17_creep_04_0 X pDE 22_Mat_Eng_Test_17_creep_02_0 X O File | C:/Users/Asus/Downloads/material/22_Mat_Eng_Test_17_creep_02_05.pdf of 12 Q D Page view A Read aloud T Add text V Draw E Highlight O Erase 03 11 att Rupture lifetime MÚE GYETEM 17 8 2 tf = A'o¬me(RT 1000 800 600 650°C tf: time-to-failure/rupture lifetime A', m, Qf: creep-failure constant R= 8.31 J/mol·K T: absolute temperature 400 730°C 200 925°C 815°C 100 80 60 40 What is the rupture lifetime for an S-590 alloy that is exposed to 400 MPa tensile stress at 815 °C? 20 10-4 10-3 10-2 10-1 1 10 102 103 104 105 Rupture lifetime (h) S-590 alloy (Fe, Cr, Ni, Co, W, Mo, Mn, C) 12 62°F ENG 10:32 PM qb Clear US 5/10/2022 Stress (MPa)
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