Ni-based alloy material
AssigneeNV Bekaert SA
InventorsJérémie DE BAERDEMAEKER, Aurelie GOUX
Life of this patent
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Abstract
The invention relates to a nickel-based alloy material. The nickel-based alloy material consists of in percent by weight: Chromium: 20.00 to 22.50%, Molybdenum: 11.50 to 14.50%, Iron: 2.00 to 6.00%, Copper: 2.10 to 6.00%, Tungsten: 2.50 to 3.00%, Cobalt: 2.50 max %, Carbon: 0.10 max %, Silicon: 1.00 max %, Manganese: 0.50 max %, Phosphorus: 0.02 max %, Vanadium: 0.35 max %, with a balance of nickel and impurities less than 0.02%. The invention further relates to a fiber having the above composition and a method of manufacturing such fibers.
Claims14
A nickel-based alloy material, consisting of in percent by weight:
- Chromium:
- 20.00 to 22.50%
- Molybdenum:
- 11.50 to 14.50%
- Iron:
- 2.00 to 6.00%
- Copper:
- 2.10 to 6.00%
- Tungsten:
- 2.50 to 3.00%
- Cobalt:
- 2.50 max
- Carbon:
- 0.10 max %
- Silicon:
- 1.00 max %
- Manganese:
- 0.50 max
- Phosphorus:
- 0.02 max
- Vanadium:
- 0.35 max
- with a balance of nickel and impurities less than 0.02%.
A method for the manufacturing of nickel-based alloy fibers by bundled drawing, said process comprising the steps of :
- a. providing nickel-based alloy metal wires having a composition consisting of in percent by weight :
- Chromium:
- 20.00-22.50%
- Molybdenum:
- 11.50-14.50%
- Iron:
- 2.00-6.00%
- Tungsten:
- 2.50-3.00%
- Copper:
- 5.00 max
- Cobalt:
- 2.50 max
- Carbon:
- 0.10 max %
- Silicon:
- 0.08 max
- Manganese:
- 0.50 max
- Phosphorus:
- 0.02 max
- Vanadium:
- 0.35 max
- with a balance of nickel and impurities less than 0.02%;
- b. embedding the nickel-based alloy metal wires in copper or copper alloy as a matrix material;
- c. enveloping the embedded nickel-based alloy metal wires with enveloping material to form a composite wire;
- d. alternatingly subjecting said composite wire to a diameter reduction, subjecting said reduced composite wire to a heat treatment at a temperature in the range of 800 to 1100° C. for 0.05 to 5 minutes, and applying a final reduction;
- e. providing nickel-based alloy fibers by removing the matrix material and enveloping material from the composite wire.
Dependencies are inferred from the claim text.