This paper describes application of the interphase forming/bonding method to embedding fragile functional fibers such as a Fiber Bragg Grating sensor and a titanium wire with its oxide on the surface in an aluminum matrix to develop a new type of material system. After high temperature stability of the FBG sensor was investigated, it was successfully embedded in the aluminum matrix by the method using a copper insert without losing its functionality. The titanium wire was also successfully embedded in the aluminum matrix by the same method without breaking the surface oxide, which enabled to obtain a multifunctional metal-based comnosite.