Full-metallic-element Fe-Co-Ni-Mo-Hf amorphous alloy and preparing method thereof
An amorphous alloy and metal element technology, which is applied in the field of amorphous alloy material preparation, can solve the problems of high brittleness of Fe-based amorphous alloys, excessive brittleness of materials, low yield, etc., and achieves high saturation magnetization and preparation method. Simple, high-strength effect
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Embodiment 1
[0025] This embodiment includes the following steps:
[0026] Step 1: Prepare and weigh raw materials
[0027] The alloy composition expression (atomic number %) is converted into the alloy composition expression (weight %), respectively to the Fe of 99.8% of the purity, the Co of 99.8% of the purity, the Ni of 99.8% of the purity, the Ni of 99.8% of the purity Mo and Hf with a purity of 99.8% were weighed after descaling first, with an accuracy of 0.0001 g, and the total weight of the preparation was 10 grams.
[0028] Step 2: Preparation of Fe-Co-Ni-Mo-Hf master alloy
[0029] Put the ingredients in step 1 into the high vacuum electric arc melting furnace, and pre-pump the low vacuum to 10 -1 Pa, and then pumped a high vacuum through the diffusion pump to make the vacuum degree reach 4×10 -3 Above Pa, tungsten electrode argon arc is used to melt the master alloy. Under the protection of high-purity argon gas, the argon pressure is 0.04Mpa, and the titanium ingot placed in...
Embodiment 2
[0034] Step 1: Prepare and weigh raw materials
[0035] The alloy composition expression (atomic number %) is converted into the alloy composition expression (weight %), respectively to the Fe of 99.9% purity, the Co of 99.9% of purity, the Ni of 99.9% of purity, the Ni of 99.9% of purity Mo and Hf with a purity of 99.9% were weighed after descaling first, the weighing accuracy was 0.0001g, and the total weight of the preparation was 15 grams.
[0036] Step 2: Preparation of Fe-Co-Ni-Mo-Hf master alloy
[0037] Put the ingredients in step 1 into the high vacuum electric arc melting furnace, and pre-pump the low vacuum to 10 -1 Pa, and then pumped a high vacuum through the diffusion pump to make the vacuum degree reach 4×10 -3Above Pa. Tungsten electrode argon arc is used to smelt the master alloy. Under the protection of high-purity argon gas, the argon pressure is 0.06Mpa, and the titanium ingot put into the furnace cavity copper crucible is melted for 2 minutes to absorb ...
Embodiment 3
[0042] This embodiment includes the following steps:
[0043] Include the following steps:
[0044] Step 1: Prepare and weigh raw materials
[0045] The alloy composition expression (atomic number %) is converted into the alloy composition expression (weight %), respectively to the Fe of 99.9% purity, the Co of 99.9% of purity, the Ni of 99.9% of purity, the Ni of 99.9% of purity Mo and Hf with a purity of 99.9% are weighed after first removing scale, and the weighing is accurate to 0.0001g, and the total weight of the preparation is 12 grams;
[0046] Step 2: Preparation of Fe-Co-Ni-Mo-Hf master alloy
[0047] Put the raw materials prepared in step 1 into the high vacuum arc melting furnace, and firstly draw a low vacuum to 10°C with a mechanical pump. -1 Pa, and then pumped a high vacuum through the diffusion pump to make the vacuum degree reach 4×10 -3 Above Pa, tungsten electrode argon arc is used to melt the master alloy. Under the protection of high-purity argon, the...
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Abstract
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