ssc-452 aluminum structure design and fabrication guide ship

Aluminum Marine Structure Guide
Table 2-4 Yield Strength of Some Aluminum Alloys at Elevated Temperatures
(Aluminum Association, 2005)
Temperature
Yield Strength (ksi/MPa)
0 F
0 C 5083-0 5086-0 5454-H32 5456-0 6061-T6
75 24 21 145 17 115 30 205 23 160 40 275
212 100 21 145 17 115 29 200 22 150 38 260
300 149 19 130 16 110 26 180 20 140 31 215
400 204 17 115 15 105 19 130 17 115 15 105
500 260 11 75 11 75 11 75 11 75 5 34
600 316 7.5 50 7.5 50 7.5 50 7.5 50 2.7 19
700 371 4.2 29 4.2 29 4.2 29 4.2 29 1.8 12
400
Yield Strength (MPa)
300
200
100
0
0 100 200 300 400
Temperature (Celsius)
5083-0 5086-0 5454-H32
5456-0 6061-T6
Figure 2-2 Reduction of yield strength with temperature (Aluminum Association, 2005).
2.1.5 Fracture Strength
One quantitative measure of fracture toughness is the dynamic tear test, which is similar
to the Charpy V-notch test, except that the specimen is larger. Czyryca and Vassilaros (1972)
provide the values in Table 2-5, which were tested at –1 ºC (30 ºF).
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