Mn-Al-CNTs type alloy as well as preparation method and application method thereof
A mn-al-cnts, 1.mn-al-cnts technology, which is applied in the manufacture of inductors/transformers/magnets, electrical components, circuits, etc. The effect of machinability, coercivity improvement, and magnetic properties improvement
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[0051] Example 1
[0052] Mn 50+x Al 50-y (CNTs) y-x Mn in type alloy 51 Al 46 (CNTs) 3 Type alloy, where x=1, y=4, and y-x=3, and the above-mentioned CNTs are carbon nanotubes.
[0053] Mn 51 Al 46 (CNTs) 3 The preparation steps of type alloy are:
[0054] The first step is the configuration of raw materials
[0055] Mn in atomic percentage 51 Al 46 (CNTs) 3 , Weigh the raw materials Mn, Al and CNTs, and add more Mn of 7% by mass of Mn according to the raw material ratio to complete the raw material configuration. The purity of the three raw materials is ≥99.9% by mass. The aforementioned CNTs are commercially available multi-walled carbon nanotubes prepared by chemical vapor deposition, with an inner diameter of 5-10 nm, an outer diameter of 25-70 nm, and a length of 5-60 microns;
[0056] The second step, melting and smelting of raw materials
[0057] Put the raw materials configured in the first step into the melting furnace, and vacuum the furnace body until the vacuum degree reac...
Example Embodiment
[0072] Example 2
[0073] Mn 50+x Al 50-y (CNTs) y-x Mn in type alloy 52 Al 46 (CNTs) 2 Type alloy, where x=2, y=4, y-x=2, and the above-mentioned CNTs are carbon nanotubes.
[0074] Mn 52 Al 46 (CNTs) 2 The preparation steps of type alloy are:
[0075] The first step is the configuration of raw materials
[0076] Divide by atomic percentage Mn 52 Al 46 (CNTs) 2 , Weigh the raw materials Mn, Al and CNTs and add more Mn of 6% mass percentage of Mn according to the raw material ratio when mixing, other requirements are the same as in Example 1;
[0077] The second step, melting and smelting of raw materials
[0078] Same as in Example 1;
[0079] The third step is to prepare Mn 52 Al 46 (CNTs) 2 Master alloy ingot
[0080] Cool down the uniformly smelted alloy in the second step to obtain Mn 52 Al 46 (CNTs) 2 Master alloy ingot, namely Mn 52 Al 46 (CNTs) 2 Cast alloy.
[0081] Figure 8 Mn of this embodiment 52 Al 46 (CNTs) 2 Metallographic photograph of the as-cast alloy. The as-cast alloy ...
Example Embodiment
[0091] Example 3
[0092] In addition to the Mn in Example 2 52 Al 46 (CNTs) 2 Mn is obtained by melting in the application method of type alloy 52 Al 46 (CNTs) 2 The type alloy melt was changed to undergo rapid melt quenching under a cooling copper roller rotating at a peripheral speed of 30m / s, and the rest were the same as in Example 2, thereby obtaining Mn 52 Al 46 (CNTs) 2 Type alloy 30m / s rapid quenching alloy thin strip magnet and corresponding annealed Mn 52 Al 46 (CNTs) 2 Type alloy thin strip magnet.
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