Alloy powder material, its preparation method and application in seawater corrosion resistant laser cladding material
A technology of alloy powder and alloy, which is applied in the field of metal materials, can solve the problems that the protection parameters cannot be adjusted at will, it is difficult to meet the protection requirements, and it is difficult to solve the over-design, so as to enhance the anti-sediment erosion ability, avoid element segregation, improve Effect of Intergranular Corrosion Resistance
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Embodiment 1
[0036] Raw material ratio of alloy powder material: Ni: 43wt.%; Al: 4.3wt.%; W: 6wt.%; Fe: 1wt.%; Mn: 1%; Sb 0.5%; Cu: balance. The purity of each of the above elements is ≥99.9%.
[0037] When preparing, the specific steps are:
[0038] (1) Melting of alloy powder
[0039] Weigh the powder materials according to the proportion, and add metal Cu into the vacuum intermediate frequency induction furnace for heating. After Cu is completely melted, Ni is added. After Cu and Ni are completely melted, Al, W, Fe, Mn, Sb and other metal raw materials are added. The molten alloy was held at a temperature of 1100°C for 50 minutes.
[0040] (2) Atomization pulverizing
[0041]The alloy powder material is prepared by the atomization pulverizing technology under nitrogen protection, and the alloy melt obtained in step (1) is poured into the graphite crucible of the metal powder vacuum air atomization pulverizing equipment (Zhuzhou Hanhe Industrial Equipment Co., Ltd.). , and the device...
Embodiment 2
[0045] Raw material ratio of alloy powder material: Ni: 45wt.%; Al: 6wt.%; W: 8wt.%; Fe: 1wt.%; Mn: 1%; Sb 0.5%; Cu: balance. The purity of each of the above elements is ≥99.9%. The total mass fraction of other impurity elements in the material is less than or equal to 0.15wt.%.
[0046] When preparing, the specific steps are:
[0047] (1) Melting of alloy powder
[0048] Weigh the powder materials according to the proportion, and add metal Cu into the vacuum intermediate frequency induction furnace for heating. After Cu is completely melted, Ni is added. After Cu and Ni are completely melted, Al, W, Fe, Mn and other metal raw materials are added. The molten alloy was held at a temperature of 1200°C for 60 minutes.
[0049] (2) Atomization pulverizing
[0050] The alloy powder material is prepared by the nitrogen-protected atomization powder technology. The alloy melt obtained in step (1) is poured into the crucible of the atomization rapid condensation device, and the dev...
Embodiment 3
[0054] The raw material ratio of the alloy powder material is Ni: 38wt.%; Al: 3.8wt.%; W: 6wt.%; Fe: 0.5wt.%; Mn: 1.5%; Sb: 1%; The purity of each of the above elements is ≥99.9%. The total mass fraction of other impurity elements in the material is less than or equal to 0.15wt.%.
[0055] When preparing, the specific steps are:
[0056] (1) Melting of alloy powder
[0057] Weigh the powder materials according to the proportion, and add metal Cu into the vacuum intermediate frequency induction furnace for heating. After Cu is completely melted, Ni is added. After Cu and Ni are completely melted, Al, W, Fe, Mn and other metal raw materials are added. The molten alloy was held at a temperature of 1100°C for 55 minutes.
[0058] (2) Atomization pulverizing
[0059] The alloy powder material is prepared by the nitrogen-protected atomization powder technology. The alloy melt obtained in step (1) is poured into the crucible of the atomization rapid condensation device, and the d...
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