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Strenght of aluminium members containing local transverse welds
AbstractHigh-strength aluminium alloys when welded suffer a local loss of strenth due to the development of heat-affected zones (HAZs). The influence of such localized strength losses on the structural behaviour of aluminium members is studied using a numerical technique. Attention is given to the representation of the non-linear stress-strain behaviour of aluminium, in particular its representation in a form suitable for incorporation into numerical processes. Two finite element programs, previously developed for use with steel frame structure, have been modified to incorporate the special features of the aluminium problem. Results are presented for a selection of examples to illustrate the severity of the HAZ effect on the load-carrying capacity of structural members. The theoretical predictions have been verified by comparison with bending tests on five non-welded and 22 welded 7019 aluminium beams. Generally good agreement was found between the theoretical predictions and experimental results for the tests.
Strenght of aluminium members containing local transverse welds
AbstractHigh-strength aluminium alloys when welded suffer a local loss of strenth due to the development of heat-affected zones (HAZs). The influence of such localized strength losses on the structural behaviour of aluminium members is studied using a numerical technique. Attention is given to the representation of the non-linear stress-strain behaviour of aluminium, in particular its representation in a form suitable for incorporation into numerical processes. Two finite element programs, previously developed for use with steel frame structure, have been modified to incorporate the special features of the aluminium problem. Results are presented for a selection of examples to illustrate the severity of the HAZ effect on the load-carrying capacity of structural members. The theoretical predictions have been verified by comparison with bending tests on five non-welded and 22 welded 7019 aluminium beams. Generally good agreement was found between the theoretical predictions and experimental results for the tests.
Strenght of aluminium members containing local transverse welds
Lai, Y.F.W. (author) / Nethercot, D.A. (author)
Construction and Building Materials ; 7 ; 27-39
1993-01-01
13 pages
Article (Journal)
Electronic Resource
English
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