AgCu alloy is widely used in electrical industry. The effect of precipitation behavior of Ag-10Cu during annealing on the structure and properties of Ag-10Cu alloy was studied by hardness testing, resistivity testing and scanning electron microscopy. The results show that during annealing at 300~500℃, the grain size of the alloy increases gradually, the defects decrease, the alloy copper particles precipitate, and the hardness and resistivity decrease with the increase of annealing temperature. During annealing at 500~700℃, the recrystallization process of the alloy basically ends, the precipitated copper particles grow up and grow to the grain boundary, and the resistivity of the alloy decreases with annealing temperature. With the increase of temperature, the hardness gradually tends to be flat. |