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Fatigue (material)
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In materials science, fatigue is the initiation and propagation of cracks in a material due to cyclic loading. Once a fatigue crack has initiated, it grows a small amount with each loading cycle, typi
Fracture surface of an aluminium crank arm from a bicycle. The dark area (due to oil, dirt and fretting) is a slow growth fatigue crack and may contai
Fracture surface of an aluminium crank arm from a bicycle. The dark area (due to oil, dirt and fretting) is a slow growth fatigue crack and may contain striations. The bright area is caused by sudden fracture.
Micrographs showing how surface fatigue cracks grow as material is further cycled. From Ewing & Humfrey, 1903
Micrographs showing how surface fatigue cracks grow as material is further cycled. From Ewing & Humfrey, 1903
Fracture surface in a glass rod showing beach marks surrounding the initiation site.
Fracture surface in a glass rod showing beach marks surrounding the initiation site.
Example of a HFMI treated steel highway bridge to avoid fatigue along the weld transition
Example of a HFMI treated steel highway bridge to avoid fatigue along the weld transition
China Airlines Flight 611
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China Airlines Flight 611 was a regularly scheduled international passenger flight operated by a Boeing 747-200 from Chiang Kai-shek International Airport in Taiwan to Hong Kong International Airport.
Fatigue (material)
…recall of 6.5 million Firestone tires on Ford Explorers originated from fatigue crack growth leading to separation of the tread from the tire. The 2002 China Airlines Flight 611 disintegrated in-flight due to fatigue failure. The 2005 Chalk's Ocean Airways Flight 101 lost its right wing due to fatigue failure brought about by…
B-18255, the aircraft involved in the accident, seen in 2000
B-18255, the aircraft involved in the accident, seen in 2000
At the time the 1980 tailstrike incident happened, B-18255 was wearing the pre-1995 livery with Republic of China flag on tail fin, also with a previo
At the time the 1980 tailstrike incident happened, B-18255 was wearing the pre-1995 livery with Republic of China flag on tail fin, also with a previous registration (B-1866), as can be seen here.