At present, the research on laser arc hybrid heat source welding is mainly focused on the process, that is to say, the influence of different process parameters on the weld formation of hybrid welding is analyzed through the test method, so that the process can be applied to the actual production as soon as possible. However, the research on composite welding is still less, because of the limitation of test conditions and the complexity of physical mechanism, the research on composite welding fluid is more It is rare and mainly relies on numerical simulation technology.<br>
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