Yellow 958 silver alloy with high hardness and wear-resisting performance and process of yellow 958 silver alloy
A wear-resistant, high-hardness technology, applied in the field of alloys, can solve problems such as vulcanization blackening, lack of corrosion resistance, acceleration, etc., and achieve the effects of excellent friction resistance, structure and composition optimization, and excellent vulcanization resistance
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Embodiment 1
[0018] Yellow 958 silver alloy with high hardness and wear resistance and its process. In terms of weight percentage, the composition of the alloy is Be: 0.4wt.%, Sr: 0.6wt.%, Ta: 0.2wt.%, W: 0.3wt.%, Zn: 1.4wt.%, Ge: 0.5wt.% , Ag: 95.0wt.%, the balance is copper. The above-mentioned yellow 958 silver alloy with high hardness and wear resistance and its process include the following steps: adding the raw materials in the above ratio into an induction furnace under an argon atmosphere, and using a graphite crucible; heat preservation at 1200 degrees during melting 10 minutes, rely on high-frequency induction furnace to stir evenly; after stirring evenly, keep warm at 1200 degrees for 1 minute and cast out of the furnace; alloy casting uses a steel mold with a diameter of 20-30mm, and uses water cooling to cool down. Roll the obtained ingot at room temperature, and the amount of rolling in each pass is 20-30%; after every two rollings, the intermediate annealing temperature is ...
Embodiment 2
[0021] Yellow 958 silver alloy with high hardness and wear resistance and its process. In terms of weight percentage, the composition of the alloy is Be: 0.5wt.%, Sr: 0.8wt.%, Ta: 0.4wt.%, W: 0.5wt.%, Zn: 1.6wt.%, Ge: 0.8wt.% , Ag: 96.0wt.%, the balance is copper. The above-mentioned yellow 958 silver alloy with high hardness and wear resistance and its process include the following steps: adding the raw materials in the above ratio into an induction furnace under an argon atmosphere, and using a graphite crucible; heat preservation at 1200 degrees during melting 10 minutes, rely on high-frequency induction furnace to stir evenly; after stirring evenly, keep warm at 1200 degrees for 1 minute and cast out of the furnace; alloy casting uses a steel mold with a diameter of 20-30mm, and uses water cooling to cool down. Roll the obtained ingot at room temperature, and the amount of rolling in each pass is 20-30%; after every two rollings, the intermediate annealing temperature is ...
Embodiment 3
[0024] Yellow 958 silver alloy with high hardness and wear resistance and its process. In terms of weight percentage, the composition of the alloy is Be: 0.4wt.%, Sr: 0.7wt.%, Ta: 0.3wt.%, W: 0.4wt.%, Zn: 1.5wt.%, Ge: 0.6wt.% , Ag: 95.0wt.%, the balance is copper. The above-mentioned yellow 958 silver alloy with high hardness and wear resistance and its process include the following steps: adding the raw materials in the above ratio into an induction furnace under an argon atmosphere, and using a graphite crucible; heat preservation at 1200 degrees during melting 10 minutes, rely on high-frequency induction furnace to stir evenly; after stirring evenly, keep warm at 1200 degrees for 1 minute and cast out of the furnace; alloy casting uses a steel mold with a diameter of 20-30mm, and uses water cooling to cool down. Roll the obtained ingot at room temperature, and the amount of rolling in each pass is 20-30%; after every two rollings, the intermediate annealing temperature is ...
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