Preparation method for copper-based multi-element high-temperature difficult-to-deform alloy wire for engine
A multi-element alloy and hard-to-deform technology is applied in the field of preparation of copper-based multi-element high-temperature hard-to-deform alloy wires for engines, and achieves the effects of good fluidity, breaking through the bottleneck of preparation technology, and high brazing temperature.
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Embodiment 1
[0028] This embodiment includes the following steps:
[0029] Step 1. Prepare the raw materials of each component according to the following mass percentages: Ni 10.0%, Mn 15.0%, Ag 5.0%, Si 0.4%, B 0.1%, and the balance is Cu; the raw material of B is NiB master alloy , the raw materials of other components are metal simple substances; the Mn simple substance raw materials are coated with Ag;
[0030] Step 2. Put the elemental metal and NiB intermediate alloy in the raw materials of each component prepared in step 1 into the magnesia crucible of the vacuum induction melting furnace, and put the simple substance of Mn coated with Ag prepared in step 1 into the vacuum induction melting furnace. In the top hopper of the melting furnace, the vacuum induction melting furnace is then vacuumed to a vacuum degree of 10 -3 Heating at MPa to make the raw materials in the magnesia crucible completely melted, adding the Ag-coated Mn elemental raw material from the top hopper into the ma...
Embodiment 2
[0035] This embodiment includes the following steps:
[0036] Step 1. Prepare the raw materials of each component according to the following mass percentages: Ni 11.0%, Mn 17.0%, Ag 6.0%, Si 0.8%, B 0.2%, and the balance is Cu; the raw material of B is NiB master alloy , the raw materials of other components are metal simple substances; the Mn simple substance raw materials are coated with Ag;
[0037] Step 2. Put the elemental metal and NiB intermediate alloy in the raw materials of each component prepared in step 1 into the magnesia crucible of the vacuum induction melting furnace, and put the simple substance of Mn coated with Ag prepared in step 1 into the vacuum induction melting furnace. In the top hopper of the melting furnace, the vacuum induction melting furnace is then vacuumed to a vacuum degree of 10 -2 Heating the temperature at MPa to completely melt the raw materials in the magnesia crucible, adding the Ag-coated Mn elemental raw material from the top hopper in...
Embodiment 3
[0042] This embodiment includes the following steps:
[0043] Step 1. Prepare the raw materials of each component according to the following mass percentages: Ni 10.5%, Mn 16.0%, Ag 5.5%, Si 0.6%, B 0.15%, and the balance is Cu; the raw material of B is NiB master alloy , the raw materials of other components are metal simple substances; the Mn simple substance raw materials are coated with Ag;
[0044] Step 2. Put the elemental metal and NiB intermediate alloy in the raw materials of each component prepared in step 1 into the magnesia crucible of the vacuum induction melting furnace, and put the simple substance of Mn coated with Ag prepared in step 1 into the vacuum induction melting furnace. In the top hopper of the melting furnace, the vacuum induction melting furnace is then vacuumed to a vacuum degree of 10 -2 Heating the temperature at MPa to completely melt the raw materials in the magnesia crucible, adding the Ag-coated Mn elemental raw material from the top hopper i...
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