At a temperature of 1090°C (2000°F), the superalloys with the highest strength in a 1000-hour stress rupture test are
(a) Small-grained polycrystals.
(b) Strain-hardened polycrystals.
(c) Single crystals.
(d) Directionally solidified polycrystals.
(c) Single crystals.
You might also like to view...
Neptune has a radius of 2.48 × 107 m and an escape velocity of 23,300 m/s. What is the mass of Neptune? G = 6.67 x 10-11 N•m2/kg2
A) 1.01 × 1026 kg B) 2.02 × 1026 kg C) 3.03 × 1026 kg D) 4.04 × 1026 kg E) 5.05 × 1026 kg
The ____________ was a large cyclonic storm in the atmosphere of Neptune observed by Voyager 2
Fill in the blank(s) with correct word
You are standing on a bathroom scale in an elevator that is not moving and it reads 500 N. The elevator then moves downward at a constant velocity of 4.50 m/s. What does the scale read?
A. 100 N B. 450 N C. 500 N D. 750 N E. 250 N
The electric field strength in the space between two closely spaced parallel disks is 1.0 × 105 N/C. This field is the result of transferring 3.9 x 109 electrons from one disk to the other
What is the diameter of the disks? (e = 1.60 × 10-19 C, ?0 = 8.85 × 10-12 C2/N • m2) A) 3.0 cm B) 1.5 cm C) 4.5 cm D) 6.0 cm