10. At which temperature would you expect creep to be a problem for each of these materials? (show your work!) (4) a. Titanium @ C b. An alloy of 60% Co and 40% Cr @ C (see phase diagram!) C 10 20 1900 20 3200F 1700 3000F 1500 2600 1494 1300 2200F 1123 (-Co) 1100 1800F 900 ATOMIC Perceuge Chromiu 30 40 50 60 42.4 1402 1312 C 8 1472 1262 -35.1 991 1400F 700 1200F B 500 800F (E-Co) CURIE TEMPERATURE 427 300 Co 10 20 30 40 b 50 60 70 80 A. (Cr) 00 90 1863 70 80 90 Cr Weight Percentage Chromium