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| 计算机技术在钎焊领域的应用 |
| Applications of Computer Technology in Brazing Field |
| Received:September 11, 2019 |
| DOI： |
| 中文关键词: 钎焊 专家系统 有限元 智能钎焊 |
| 英文关键词: brazing expert systems finite element intelligent brazing |
| 基金项目: |
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| 中文摘要: |
| 随着钎焊技术的发展，研究领域和工程领域已经积累了庞大的钎焊数据，对钎焊数据进行总结和管理将会进一步促进钎焊技术的发展，相比于传统的工艺开发，专家系统的运用使钎焊工艺信息得到了更高效的利用，在工艺研究阶段可以减少试验次数，节约开发成本，并缩短开发周期；同时，在开发钎焊工艺时，对钎焊接头残余应力场进行有限元分析可以有效地预测裂纹发生位置，最终有针对性地对钎焊工艺进行评估和改进；另外，在接头服役过程的性能评估方面利用有限元对应力状态进行模拟结合相关实验，可以较实际地模拟出真实工况下接头的应力状态与形变过程，最终对钎焊工艺的开发提出指导意见。 |
| 英文摘要: |
| With the development of brazing technology, considerable of brazing data has been amassed in research and engineering fields, summarizing the brazing data and management will further promote the development of brazing technology. Compared to traditional development of process, through combining with expert system information of brazing process is used efficiently, and the process development assisted with expert system reduces the number of experiments, saves development cost, and shortens the development cycle. Meanwhile, during the development of brazing technology, not only can stimulating residual stress field of brazing joint by finite element method effectively predict the location of crack occurrence, but also evaluate and improve brazing technology in a targeted way finally. In addition, in terms of performance evaluation of joint service process, finite element method associating with relevant experiments is used to simulate the stress state, which can simulate the stress state and deformation process of joint under real working conditions in a more practical way. Finally, guidance is proposed for the development of brazing technology. |
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