Interphase must occur and generally occur between the phases of composite materials to obtain a solid material. This interphase is very important thing to form, becuase of obtaining one-piece material parts. In here, we explain the general interphase mechanisms that occur in composite materials, between matrix and reinforcement phases.
The primary phase in composite materials called as matrix phase and the secondary phase is called as reinforcement phase. The interphase is the bonding between these different phases inside composite materials. There are three bonding mechanisms for these interface structures in composite materials;
For example in fiber-glass reinforced thermosets, glass fibers are used as reinforcing phase. thermosets are used as matrix phase. The interphase between these phases are obtained with a coating of glass fibers before the production of fiber-glass reinforced thermosets. This is a very good example of second type of interphase formation between primary and secondary phases in composite materials.
Another example of interphase that occured as solution of two phases is cemented carbides. In high sintering temperatures, solution of interphases occurs between particle reinforcement phases and matrix phases. These phases are not soluble completely in each other.
These are the general types and explanation of interphase boundries between primary and secondary phases of composite materials.
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