Miao silver alloy used for nickel-free high-elasticity-modulus jewelry resistant to hydrogen sulfide corrosion and process of Miao silver alloy
A hydrogen sulfide-resistant and high-elasticity technology, applied in the field of alloys, can solve the problem of lack of rich series of silver alloys, and achieve the effects of excellent mechanical properties, high elastic modulus, and excellent cold stamping performance.
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Embodiment 1
[0019] Nickel-free high elastic modulus hydrogen sulfide corrosion-resistant silver seedling alloy and its technology. In terms of weight percentage, the composition of the alloy is B: 0.3wt.%, Mg: 2.0wt.%, Ge: 0.8wt.%, In: 1.5wt.%, Y: 1.25wt.%, Fe: 4.0wt.% , Ag: 40.0wt.%, the balance is copper. The above-mentioned nickel-free high elastic modulus hydrogen sulfide corrosion-resistant silver seedling alloy and its technology for jewelry include the following steps: adding the above proportioned raw materials into an induction furnace under an argon environment, and using a graphite crucible; melting at 1400 10 minutes at high temperature, and evenly stirred by high-frequency induction furnace electromagnetically; after stirring evenly, heat at 1400°C 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. The obtained ingot is rolled at room temperature, and the amount of rolling in each pass is...
Embodiment 2
[0022] Nickel-free high elastic modulus hydrogen sulfide corrosion-resistant silver seedling alloy and its technology. In terms of weight percentage, the composition of the alloy is B: 0.5wt.%, Mg: 3.0wt.%, Ge: 1.0wt.%, In: 1.8wt.%, Y: 1.5wt.%, Fe: 6.0wt.% , Ag: 50.0wt.%, the balance is copper. The above-mentioned nickel-free high elastic modulus hydrogen sulfide corrosion-resistant silver seedling alloy and its technology for jewelry include the following steps: adding the above proportioned raw materials into an induction furnace under an argon environment, and using a graphite crucible; melting at 1400 10 minutes at high temperature, and evenly stirred by high-frequency induction furnace electromagnetically; after stirring evenly, heat at 1400°C 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. The obtained ingot is rolled at room temperature, and the amount of rolling in each pass is ...
Embodiment 3
[0025] Nickel-free high elastic modulus hydrogen sulfide corrosion-resistant silver seedling alloy and its technology. In terms of weight percentage, the composition of the alloy is B: 0.4wt.%, Mg: 2.5wt.%, Ge: 0.9wt.%, In: 1.6wt.%, Y: 1.4wt.%, Fe: 4.5wt.% , Ag: 42.0wt.%, the balance is copper. The above-mentioned nickel-free high elastic modulus hydrogen sulfide corrosion-resistant silver seedling alloy and its technology for jewelry include the following steps: adding the above proportioned raw materials into an induction furnace under an argon environment, and using a graphite crucible; melting at 1400 10 minutes at high temperature, and evenly stirred by high-frequency induction furnace electromagnetically; after stirring evenly, heat at 1400°C 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. The obtained ingot is rolled at room temperature, and the amount of rolling in each pass is ...
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