Testing method for evaluating thermal deformation adaptability of metal-composite material mixed connection

The invention belongs to the field of experimental testing, and relates to a testing method for evaluating metal-composite material mixed connection thermal deformation adaptability. The test comprises the following steps: setting a group of test experiments; the test experiment specifically comprises the following steps: adhering a strain gauge to the surface of the metal-composite material mixed connecting plate through high and low temperature resistant glue, and standing for one hour; electrically connecting an outgoing line of the strain gauge by using a first wire, and putting the strain gauge and a connecting end of the first wire into a high-low temperature experiment box through an interface terminal; connecting the other end of the first wire with a strain gauge, and checking the connection condition of each part; the temperature is increased and decreased from the normal temperature, then heat preservation is conducted, and the high-low temperature thermal deformation suitability test is completed;