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Title
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Investigation of Fatigue crack growth rate in CARALL, ARALL and GLAYER
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Sub-Title |
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Subject |
Fatigue crack growth rate; fibre metal laminates; fracture toughness; numerical simulation; stress intensity factor; tensile strength
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Author |
W Asghar, M A Nasir, F Qayyum, M Shah, M Azeem, S
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Publish Year |
2017 |
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Supervisor |
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Diss#. |
https://doi.org/10.1111/ffe.12566 |
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Pages |
1089-1100 |
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Text Language |
English |
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Accession |
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Library Section |
Research Article |
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Abstract |
Fibre metal laminates (FMLs) are being used to manufacture many structural components
in aerospace industry because of their very high strength to weight ratios, yet the
exact model for estimating fatigue crack propagation in FMLs cannot be developed because
of many variable parameters affecting it. In this research, tensile strength, fatigue
life and fracture toughness values of 2/1 configuration carbon reinforced aluminium laminate
(CARALL), aramid reinforced aluminium laminate and glass laminate aluminium
reinforced epoxy specimens have been investigated. Mechanical, chemical and electrochemical surface treatments were applied to AA 1050 face sheets to improve the adhesive properties of the laminates. The specimens were prepared using vacuum assisted resin transfer moulding technique and were cut to desired shapes. Fatigue tests were conducted on centre notched specimens according to ASTM Standard E399. Real time material data and properties of adhesive were used in definition of nu
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