Effect of temperature on the fracture behaviour of heat‐treated Al–Cu–Li alloy laser welds under low‐cycle fatigue loading

Malikov, Alexander; Karpov, E. V.; Orishich, A. M.

doi:10.1111/ffe.13218

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2020

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Cited by 5 publications

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“…Post-weld heat treatment has been commonly used to improve the welded joint [ 12 , 13 , 14 ]. By this method, the microstructure to some extent can be controlled; however, the original large grains still cannot be broken.…”

Section: Introductionmentioning

confidence: 99%

Microstructure Control of Welded Joints of Dissimilar Titanium Alloys by Isothermal Forging

et al. 2020

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In this study, the welded joints of dissimilar titanium alloys Ti600/Ti-22Al-25Nb were strengthened by isothermal forging. Different deformation parameters, including temperature, deformation speed, and reduction, were chosen. By isothermal forging, the original coarse dendritic grains of the welded joints were broken up effectively to form a large number of equiaxed grains. Meanwhile, many second phases were precipitated in the grain. Additionally, the dynamic globularization kinetics of second phases within the welded joints were quantitatively characterized and investigated. The results showed that the dynamic globularization kinetics and globularization rate were sensitive to the deformation conditions, and were promoted by a reduced strain rate and an elevated deformation temperature.

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Section: Introductionmentioning

confidence: 99%