A method was developed to melt join two YBa2Cu3Oxdomains together. After melt joining, the scanning electron microscopy analysis did not reveal any interfaces near the original domain contact surfaces. Both samples with equal geometry and orientation before and after the melt‐joining process exhibited the same magnetic hysteresis, indicating that the melt‐joined sample was strongly coupled. Also discussed is a possible domain growth mechanism during the melt‐joining process. ©1995 American Institute of Physics.