Anti-corrosion compound metal material and preparing method thereof
A composite metal material and corrosion-resistant technology, applied in the field of metal material preparation, can solve the problems that metal matrix composite materials cannot meet the requirements of modern industry and people, and achieve the effects of increasing hardness, increasing electrode potential, and improving passivation
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Embodiment 1
[0020] A corrosion-resistant composite metal material, characterized in that its raw materials are composed of the following components in mass percentage: C: 0.3%, Si: 1.0%, Cr: 2.0%, Ca: 0.8%, La: 0.8%, Ni: 0.7%, B: 0.05%, Zr: 0.05%, Y: 0.08%, the balance is made up to 100% with Fe;
[0021] Specifically follow the steps below:
[0022] Step 1, weigh C: 0.3%, Si: 1.0%, Cr: 2.0%, Ca: 0.8%, La: 0.8%, Ni: 0.7%, B: 0.05%, Zr: 0.05%, Y: 0.08%, the balance is made up 100% with Fe;
[0023] Step 2, put the raw materials weighed in step 1 into a vacuum of 1.5×10 -3 The initial smelting is carried out in a vacuum intermediate frequency induction furnace in Pa, the smelting temperature is 1350°C, the smelting time is 2h, and the primary smelting alloy is obtained after smelting;
[0024] Step 3, breaking the primary smelted alloy in step 2 into fragments with a particle size of 1 cm, and then filling it with a vacuum degree of 1.5×10 -3 Secondary smelting is carried out in a vacuu...
Embodiment 2
[0028] A corrosion-resistant composite metal material, characterized in that its raw materials are composed of the following components in mass percentage: C: 0.4%, Si: 0.8%, Cr: 1.8%, Ca: 0.9%, La: 0.6%, Ni: 0.5%, B: 0.08%, Zr: 0.08%, Y: 0.07%, the balance is made up to 100% with Fe;
[0029] Specifically follow the steps below:
[0030] Step 1, weigh C: 0.4%, Si: 0.8%, Cr: 1.8%, Ca: 0.9%, La: 0.6%, Ni: 0.5%, B: 0.08%, Zr: 0.08%, Y: 0.07%, the balance is made up 100% with Fe;
[0031] Step 2, put the raw materials weighed in step 1 into a vacuum of 1.5×10 -3 In the vacuum medium frequency induction furnace of Pa, stir to make it evenly mixed, and then carry out the initial melting, the melting temperature is 1450°C, the melting time is 1.5h, and the primary melting alloy is obtained after the melting is completed;
[0032] Step 3, breaking the primary smelted alloy in step 2 into fragments with a particle size of 2 cm, and then filling it with a vacuum degree of 1.5×10 -3...
Embodiment 3
[0036] A corrosion-resistant composite metal material, characterized in that its raw materials are composed of the following components in mass percentage: C: 0.5%, Si: 0.5%, Cr: 1.5%, Ca: 1.0%, La: 0.5%, Ni: 0.4%, B: 0.1%, Zr: 0.1%, Y: 0.06%, the balance is made up to 100% with Fe;
[0037] Specifically follow the steps below:
[0038] Step 1, weigh C: 0.5%, Si: 0.5%, Cr: 1.5%, Ca: 1.0%, La: 0.5%, Ni: 0.4%, B: 0.1%, Zr: 0.1%, Y: 0.06%, the balance is made up 100% with Fe;
[0039] Step 2, put the raw materials weighed in step 1 into a vacuum of 1.5×10 -3 The initial smelting is carried out in a vacuum intermediate frequency induction furnace in Pa, the smelting temperature is 1500°C, and the smelting time is 1h. After the smelting is completed, the primary smelted alloy is obtained;
[0040] Step 3, breaking the primary smelted alloy in step 2 into fragments with a particle size of 3 cm, and then filling it with a vacuum degree of 1.5×10 -3 Secondary smelting is carried o...
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