KR20200046175A - 이종재질 접합재의 접합강도 예측 방법 - Google Patents
이종재질 접합재의 접합강도 예측 방법 Download PDFInfo
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Abstract
Description
도 2는 본 발명에서 접합강도 시험시 제작하여 사용할 수 있는 이종재질 접합 시편을 나타내는 도면이다.
도 3은 고속 회전 스크류를 이용하여 재질이 상이한 판재들을 접합하는 FDS 접합 공정 또는 FFS 접합 공정을 나타낸 도면이다.
도 4는 택 리벳을 이용하여 판재들을 접합하는 RIVTAC 접합 공정을 나타낸 도면이다.
도 5는 본 발명에서 예측 시스템의 구성을 개략적으로 나타낸 도면이다.
도 6은 본 발명에서 예측 대상 시편의 접합 정보를 입력하는 소프트웨어 화면을 예시한 도면이다.
도 7은 본 발명에서 학습된 인공신경망 모델에 의해 예측된 변위에 따른 하중 데이터(변위-하중)의 예를 나타낸 도면이다.
도 8 내지 도 10은 본 발명에서 이용되는 인공신경망에 대해 설명하기 위한 도면이다.
도 11은 본 발명에서 변위에 따른 하중 예측 인공신경망 모델에 대해 좀더 세부적으로 예시한 도면이다.
Claims (7)
- 접합 정보가 상이한 복수의 이종재질 접합 시편에 대해 접합강도 시험을 실시하여 이종재질 접합 시편들의 접합 정보에 따른 변위-하중 데이터를 취득하는 단계;
예측 시스템에 이종재질 접합 시편의 접합 정보로부터 이종재질 접합 시편의 변위-하중 데이터 및 접합강도를 예측하기 위한 인공신경망 모델을 구축하는 단계;
상기 접합강도 시험을 통해 취득한 이종재질 접합 시편들의 접합 정보에 따른 변위-하중 데이터를 상기 예측 시스템에 입력하여 인공신경망 모델을 학습시키는 단계;
접합강도 예측을 수행하기 위한 소프트웨어의 실행이 가능하면서 네트워크를 통해 예측 시스템의 호스트 컴퓨터에 연결된 컴퓨터를 통해 예측 대상의 이종재질 접합 시편에 대한 접합 정보를 상기 예측 시스템에 입력하는 단계; 및
상기 예측 대상의 이종재질 접합 시편에 대한 접합 정보로부터 상기 학습된 인공신경망 모델에 의해 예측 대상의 이종재질 접합 시편의 변위-하중 값과 접합강도가 예측되는 단계를 포함하는 이종재질 접합재의 접합강도 예측 방법.
- 청구항 1에 있어서,
상기 접합강도 시험을 실시하여 변위-하중 데이터를 취득하는 단계의 상기 접합 정보는, 이종재질 접합 시편의 상판 두께와 하판 두께, 그리고 상기 상판과 하판의 각 인장강도 또는 항복강도를 포함하는 것을 특징으로 하는 이종재질 접합재의 접합강도 예측 방법.
- 청구항 1에 있어서,
상기 접합강도 시험을 실시하여 변위-하중 데이터를 취득하는 단계의 상기 접합 정보는, 이종재질 접합 시편의 상판과 하판의 접합 방법을 더 포함하는 것을 특징으로 하는 이종재질 접합재의 접합강도 예측 방법.
- 청구항 1에 있어서,
상기 예측 시스템에서 이종재질 접합 시편의 변위-하중 데이터 및 접합강도를 예측하기 위한 접합 정보는, 이종재질 접합 시편의 상판 두께와 하판 두께, 그리고 상기 상판과 하판의 각 인장강도 또는 항복강도를 포함하는 것을 특징으로 하는 이종재질 접합재의 접합강도 예측 방법.
- 청구항 1에 있어서,
상기 예측 시스템에서 이종재질 접합 시편의 변위-하중 데이터 및 접합강도를 예측하기 위한 접합 정보는, 이종재질 접합 시편의 상판과 하판의 접합 방법을 더 포함하는 것을 특징으로 하는 이종재질 접합재의 접합강도 예측 방법.
- 청구항 1에 있어서,
상기 접합강도 시험을 실시하여 변위-하중 데이터를 취득하는 단계에서, 각 이종재질 접합 시편에 대해 정해진 변위량 증가시마다 하중 값을 구하여 상기 변위-하중 데이터를 취득하는 것을 특지응로 하는 이종재질 접합재의 접합강도 예측 방법.
- 청구항 1에 있어서,
상기 변위-하중 값과 접합강도가 예측되는 단계에서의 접합강도는, 변위에 따른 하중 데이터에서 하중의 최대값으로 정의되는 것을 특징으로 하는 이종재질 접합재의 접합강도 예측 방법.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020180124164A KR20200046175A (ko) | 2018-10-18 | 2018-10-18 | 이종재질 접합재의 접합강도 예측 방법 |
| US16/374,019 US11519835B2 (en) | 2018-10-18 | 2019-04-03 | Method of predicting joining strength of joined dissimilar materials |
| CN201910303268.5A CN111159838B (zh) | 2018-10-18 | 2019-04-16 | 预测接合异种材料的接合强度的方法及车辆制造方法 |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020180124164A KR20200046175A (ko) | 2018-10-18 | 2018-10-18 | 이종재질 접합재의 접합강도 예측 방법 |
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| Publication Number | Publication Date |
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| KR20200046175A true KR20200046175A (ko) | 2020-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| KR1020180124164A Ceased KR20200046175A (ko) | 2018-10-18 | 2018-10-18 | 이종재질 접합재의 접합강도 예측 방법 |
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| Country | Link |
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| US (1) | US11519835B2 (ko) |
| KR (1) | KR20200046175A (ko) |
| CN (1) | CN111159838B (ko) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114429771A (zh) * | 2022-04-02 | 2022-05-03 | 武汉地震工程研究院有限公司 | 钢梁与cfrp板粘结缺陷智能检测方法及系统 |
| CN118553347B (zh) * | 2024-05-21 | 2025-03-25 | 安徽江淮汽车集团股份有限公司 | 异种材料连接力学性能预测与失效评价方法 |
| CN118862699B (zh) * | 2024-09-25 | 2025-02-11 | 湖南大学苏州研究院 | 一种基于神经网络自学习的spr2失效卡片拓展方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030018457A1 (en) * | 2001-03-13 | 2003-01-23 | Lett Gregory Scott | Biological modeling utilizing image data |
| KR100947176B1 (ko) * | 2009-10-12 | 2010-03-12 | 충남대학교산학협력단 | 섬유 가교 해석방법 및 섬유 가교 해석에 의한 섬유복합재료의 인장성능을 예측하는 방법 |
| CN105158083B (zh) * | 2015-09-06 | 2019-01-29 | 北京科技大学 | 一种异种材料结合过程中结合强度的测试方法 |
| KR101755483B1 (ko) * | 2015-09-10 | 2017-07-10 | 현대자동차 주식회사 | 이종소재 접합 구조체 |
| US10410132B2 (en) * | 2016-06-07 | 2019-09-10 | Honeywell International Inc. | Probabilistic remaining usage life of aircraft structures |
| CN107480395B (zh) * | 2017-08-29 | 2019-12-13 | 燕山大学 | 一种车辆转向节载荷谱预测模型的构建方法及系统 |
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- 2018-10-18 KR KR1020180124164A patent/KR20200046175A/ko not_active Ceased
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2019
- 2019-04-03 US US16/374,019 patent/US11519835B2/en active Active
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| Publication number | Publication date |
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| CN111159838B (zh) | 2024-04-16 |
| CN111159838A (zh) | 2020-05-15 |
| US11519835B2 (en) | 2022-12-06 |
| US20200124509A1 (en) | 2020-04-23 |
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