Alloy Name | T | SG | S?y MPa | SE GPa | SKICÂ Â Â MPa(m)0.5 |
Al-7075 | T6 | 2.81 | 179 | 25.5 | 9.25 |
4340 steel | OQT | 7.85 | 148 | 26.1 | 7.64 |
Mg-ZK61A | T6 | 1.83 | 106 | 24.6 | 8.19 |
Ti-8Al-1Mo-1V | STA | 4.37 | 130 | 14.6 | 18.76 |
Problem 9
In a design where weight is a critical factor, such as in aspace shuttle frame, and specific yield strength, specific elasticmodulus, and specific fracture toughness are of equal importance,using the above table, Calculate to show which of the materialsInconel Al-7075, 4340 steel, Mg-ZK61A, or Ti-8Al-1Mo-1V in theabove table, is the best material choice?
