Combustion joining of carbon–carbon composites to TiAl intermetallics using a Ti–Al–C powder composite interlayer
Source abstract
Abstract
Abstract To meet the requirements of energy-efficiency and high-quality joining between C/C composites and TiAl intermetallics in the aerospace field, a novel combustion joining method was developed for joining these two materials. In this method, a composite interlayer that consisted of a Ti–Al–C powder mixture and an Ag–Cu–Ti filler foil was employed. The effect of the reactant compositions and preheating temperature on the adiabatic temperature was calculated. Based on the calculated results, the composition of the Ti–Al–C reactants was selected. The joint microstructure was characterized using scanning electron microscopy (SEM), energy dispersive spectrometry (EDS) and X-ray diffraction (XRD). The results showed the presence of a TiC layer on the carbon–carbon composite side and Ti–Al–Cu layers on the TiAl side. The shear strength of the joint was tested to evaluate the joint quality. The joint strength reached a maximum value of 17.6 MPa when the interlayer thickness was 500 μm and m = 1.1.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Intermetallics and Advanced Alloy Properties · MXene and MAX Phase Materials · Advanced ceramic materials synthesis
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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