New impetus to continued use of aluminum alloys in major structural areas of aircraft has been given by the development of aluminum-lithium alloys. However, qualification of these new materials for service requires extensive testing and evaluation, preferably in international cooperative programs. The evaluation of aluminum-lithium alloys is discussed with particular attention to the balance of properties required to achieve damage tolerant and durable, long-life structures for transport aircraft. An assessment of the current developmental maturity of damage tolerant aluminum-lithium alloys is given.
Damage Tolerance and Durability Evaluation of Aluminium-Lithium Alloys
1989
11 pages
Report
No indication
English
Aircraft , Nonferrous Metals & Alloys , Toughness , Durability , Aircraft construction materials , Damage assessment , Fatigue strength at N cycles , Stress corrosion , Aluminum alloys , Transport aircraft , Mechanical tests , Lithium alloys , Crack propagation , Foreign technology , Aluminum lithium alloys
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