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Heat treatment technique for additive component

A component and process technology, applied in the field of heat treatment of additive components, can solve the problem that additive components cannot meet the application requirements of key components, and achieve the effect of meeting performance requirements and improving high-temperature durable performance.

Inactive Publication Date: 2017-12-15
ADVANCED FOR MATERIALS & EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the additive components processed according to the heat treatment process of traditional casting and forging parts cannot meet the application requirements for key components in the aviation field.

Method used

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  • Heat treatment technique for additive component
  • Heat treatment technique for additive component

Examples

Experimental program
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Effect test

Embodiment 1

[0034] A heat treatment process for additive components provided in Example 1 of the present invention realizes heat treatment of cobalt-chromium-molybdenum alloy additive components, wherein the chemical composition of cobalt-chromium-molybdenum alloy additive components is: Cr: 29.22wt.%, Mo: 6.07wt.%, W: 0.01wt.%, Ni: 0.06wt.%, Fe: 0.18wt.%, C: 0.05wt.%, Si: 0.2wt.%, Mn: 0.47wt.%, S: 0.005 wt.%, P: 0.01 wt.%, Co: Bal.

[0035] A heat treatment process for an additive component provided in Example 1 of the present invention mainly includes the following steps:

[0036] For annealing, heat the cobalt-chromium-molybdenum alloy additive component to 420°C and keep it for 45 minutes, then raise the temperature to 780°C with the furnace and keep it for 1 hour, then cool it to 600°C with the furnace and then air-cool it.

[0037] One-line quenching, heat the cobalt-chromium-molybdenum alloy additive component to 720°C and keep it warm for 10 hours, then water-cool; take out the c...

Embodiment 2

[0054] A heat treatment process for an additive component provided in Embodiment 2 of the present invention mainly includes the following steps:

[0055] For annealing, heat the cobalt-chromium-molybdenum alloy additive component to 420°C and keep it for 45 minutes, then raise the temperature to 780°C with the furnace and keep it for 1 hour, then cool it to 600°C with the furnace and then air-cool it.

[0056] One-line quenching, heat the cobalt-chromium-molybdenum alloy additive component to 780°C and keep it warm for 10 hours, then water-cool; take out the cobalt-chromium-molybdenum alloy additive component after water cooling, heat it up to 1020°C with the furnace again, and keep it warm for 10 hours. 5min, then water cooled.

[0057] Double quenching, heat the cobalt-chromium-molybdenum alloy additive component to 780°C and keep it warm for 10 hours, then water-cool; take out the cobalt-chromium-molybdenum alloy additive component after water cooling, heat it up to 1020 wi...

Embodiment 3

[0073] A heat treatment process for an additive component provided in Example 3 of the present invention realizes heat treatment of a cobalt-chromium-molybdenum alloy additive component, wherein the chemical composition of the cobalt-chromium-molybdenum alloy additive component is: Cr: 29.22wt.%, Mo: 6.07wt.%, W: 0.01wt.%, Ni: 0.06wt.%, Fe: 0.18wt.%, C: 0.05wt.%, Si: 0.2wt.%, Mn: 0.47wt.%, S: 0.005 wt.%, P: 0.01 wt.%, Co: Bal.

[0074] A heat treatment process for an additive component provided in Embodiment 3 of the present invention mainly includes the following steps:

[0075] For annealing, heat the cobalt-chromium-molybdenum alloy additive component to 420°C and keep it for 45 minutes, then raise the temperature to 780°C with the furnace and keep it for 1 hour, then cool it to 600°C with the furnace and then air-cool it.

[0076] One-line quenching, heat the cobalt-chromium-molybdenum alloy additive component to 750°C and keep it warm for 12 hours, then water-cool; take ...

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Abstract

The invention discloses a heat treatment technique for an additive component. The heat treatment technique for the additive component is used for improving the overall mechanical performance index of the additive component. The heat treatment technique for the additive component comprises the following steps of annealing, specifically, annealing treatment is conducted on the additive component; and quenching, specifically, quenching treatment is conducted on the annealed additive component twice, low-temperature quenching is conducted on the additive component firstly, and then high-temperature quenching is conducted on the additive component. By adoption of the heat treatment technique, the overall mechanical performance index of the additive component can be improved, and the using requirements in the aviation field are met.

Description

technical field [0001] The present application relates to the technical field of heat treatment, in particular to a heat treatment process for additive components. Background technique [0002] Additive manufacturing, commonly known as 3D printing, is the process of accumulating special metal materials, non-metal materials and medical biomaterials layer by layer according to extrusion, sintering, melting, light curing, spraying, etc. through software and numerical control system to manufacture physical objects. Manufacturing Technology. The emergence of additive manufacturing technology has made it possible to manufacture complex structural parts that were previously restricted by traditional manufacturing methods and could not be realized. [0003] At present, the domestic heat treatment process for additive components is mainly based on experience trial and error based on the traditional casting and forging heat treatment process. However, the additive components process...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22F3/24C22F1/10B33Y40/00
CPCB22F3/24B22F2003/248B33Y40/00C22F1/10
Inventor 李礼戴煜刘志坚刘屹
Owner ADVANCED FOR MATERIALS & EQUIP
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