KR101736228B1 - 3d 프린팅 금속 조형품의 기계적 성질 향상을 위한 열처리 방법 - Google Patents
3d 프린팅 금속 조형품의 기계적 성질 향상을 위한 열처리 방법 Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
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Abstract
Description
금속 조형품의 열처리 방법 | 금속 조형품의 비커스 경도(HV) |
열처리 실시예 3 | 251 |
열처리 실시예 4 | 294 |
열처리 비교실시예 1 | 226 |
열처리 비교실시예 2 | 224 |
열처리 비교실시예 3 | 220 |
열처리 비교실시예 4 | 226 |
Claims (12)
- 상변태 온도를 갖는 금속 재료를 3D 프린팅 방법으로 성형하여 제조한 금속 조형품에 대해 상변태 열처리를 적어도 2회 이상 실시하는 단계를 포함하는 방법으로서,
상기 상변태 온도를 갖는 금속 재료는 Ti(티타늄), Ti(티타늄) 합금, Fe(철), Fe(철) 합금, 인코넬(Inconel) 합금, Ni-Cr(니켈-크롬) 합금 또는 Co-Cr(코발트-크롬) 합금에서 선택되고,
상기 상변태 열처리는 금속 조형품을 금속 재료의 상변태 온도보다 높은 온도로 가열하고 30~240초 동안 유지한 후 금속 재료의 상변태 온도보다 낮은 온도로 냉각하고 30~240초 동안 유지하는 것으로 구성되고,
상기 상변태 열처리시 금속 조형품의 가열 속도는 3~15 ℃/초 이고,
상기 상변태 열처리시 금속 조형품의 냉각 속도는 3~15 ℃/초 인 것을 특징으로 하는 금속 조형품의 열처리 방법.
- 삭제
- 제 1항에 있어서, 상기 상변태 온도를 갖는 금속 재료는 Ti-6Al-4V 합금, Ti-6Al-7Nb 합금 또는 탄소강에서 선택되는 것을 특징으로 하는 금속 조형품의 열처리 방법.
- 제 1항에 있어서, 상기 3D 프린팅 방법은 전자빔 용해(Electron Beam Melting, EBM) 방법, 선택적 레이저 용해(Selective Laser Melting, SLM) 방법, 선택적 레이저 소결(Selective Laser Sintering, SLS) 방법 또는 직접 금속 레이저 소결(Direct Metal Laser Sintering, DMLS) 방법에서 선택되는 것을 특징으로 하는 금속 조형품의 열처리 방법.
- 제 1항에 있어서, 상기 상변태 열처리의 실시 횟수는 2~10 회인 것을 특징으로 하는 금속 조형품의 열처리 방법.
- 제 1항에 있어서, 상기 금속 재료는 Ti(티타늄)이고, 상기 상변태 열처리는 금속 조형품을 900~1000℃로 가열하고 30~240초 동안 유지한 후 550~850℃로 냉각하고 30~240초 동안 유지하는 것으로 구성되는 것을 특징으로 하는 금속 조형품의 열처리 방법.
- 삭제
- 삭제
- 삭제
- 삭제
- 제 6항에 있어서, 상기 상변태 열처리된 금속 조형품의 인장 강도는 600~900 ㎫ 인 것을 특징으로 하는 금속 조형품의 열처리 방법.
- 제 6항에 있어서, 상기 상변태 열처리된 금속 조형품의 비커스 경도(Vickers hardness, HV)는 250~400 HV 인 것을 특징으로 하는 금속 조형품의 열처리 방법.
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Cited By (4)
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CN109550077A (zh) * | 2018-11-01 | 2019-04-02 | 上海交通大学 | 一种医用Ti6Al4V人工植入物的制备方法 |
KR20200057826A (ko) | 2018-11-14 | 2020-05-27 | 대우조선해양 주식회사 | 금속선 기반 적층제조의 일방향 응고 방지 방법 |
KR20200065304A (ko) * | 2018-11-30 | 2020-06-09 | 한국기계연구원 | 단속 미세조직 층이 형성된 전자부품 임베디드 금속 부품 및 이의 제조방법 |
CN112008079A (zh) * | 2020-08-30 | 2020-12-01 | 中南大学 | 一种原位热处理提高3d打印镍基高温合金力学性能的方法 |
Families Citing this family (7)
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KR102151445B1 (ko) | 2017-08-30 | 2020-09-03 | 가부시키가이샤 소딕 | 적층 조형 장치 및 적층 조형물의 제조 방법 |
KR102209911B1 (ko) * | 2019-08-28 | 2021-02-01 | 한국과학기술원 | 미세한 결정립과 전방위 균일한 고강도 특성을 갖는 금속 3D 프린팅 용 Ti기 합금 개발 |
US12330215B2 (en) | 2019-09-20 | 2025-06-17 | Proterial, Ltd. | Alloy member production method and alloy member |
KR102094954B1 (ko) | 2020-01-20 | 2020-03-30 | (주)쓰리디테크놀로지 | 자동제어가 가능한 3d 프린팅 제조물 경화장치 |
WO2022137334A1 (ja) * | 2020-12-22 | 2022-06-30 | 日本製鉄株式会社 | チタン合金部材、及びチタン合金部材の製造方法 |
KR102546408B1 (ko) * | 2021-09-02 | 2023-06-22 | 경상국립대학교산학협력단 | 우수한 생산성을 갖는 Ti-6Al-4V 합금 적층 조형물 제조방법 및 이를 이용한 Ti-6Al-4V 합금 적층 조형물 |
CN114570947B (zh) * | 2022-04-12 | 2022-10-28 | 南京工业大学 | 具有梯度组织的钛合金构件的近净成形方法及应用 |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109550077A (zh) * | 2018-11-01 | 2019-04-02 | 上海交通大学 | 一种医用Ti6Al4V人工植入物的制备方法 |
KR20200057826A (ko) | 2018-11-14 | 2020-05-27 | 대우조선해양 주식회사 | 금속선 기반 적층제조의 일방향 응고 방지 방법 |
KR20200065304A (ko) * | 2018-11-30 | 2020-06-09 | 한국기계연구원 | 단속 미세조직 층이 형성된 전자부품 임베디드 금속 부품 및 이의 제조방법 |
KR102217603B1 (ko) | 2018-11-30 | 2021-02-19 | 한국재료연구원 | 단속 미세조직 층이 형성된 전자부품 임베디드 금속 부품 및 이의 제조방법 |
CN112008079A (zh) * | 2020-08-30 | 2020-12-01 | 中南大学 | 一种原位热处理提高3d打印镍基高温合金力学性能的方法 |
CN112008079B (zh) * | 2020-08-30 | 2022-03-29 | 中南大学 | 一种原位热处理提高3d打印镍基高温合金力学性能的方法 |
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