Abstract: Domestic T800H carbon fiber composites were prepared by automated tape laying and manual layup method using one batch prepreg. Mechanical properties of composites were compared, and equivalence evaluation of composites manufactured by automated tape laying and manual layup method was performed. The results show that average value deviation of mechanical properties manufactured by automated tape laying and manual layup method are -2.42%~4.50%. Strength average value, strength minimum individual and modulus average value of composites manufactured by automated tape laying and manual layup method are equally evaluated. There are 42 evaluation items, among which 39 evaluation items are equivalent. The three inequality properties exhibit little difference, and have little influence on the subsequent application of composites. In summary, composite manufactured by automated tape laying is basically equivalent to the composite manufactured by manual layup.

Key words: automated tape laying, composite, process changes, comparative study, equivalence evaluation