《计算机应用》唯一官方网站 ›› 2026, Vol. 46 ›› Issue (7): 2373-2382.DOI: 10.11772/j.issn.1001-9081.2025070865
• 前沿与综合应用 • 上一篇
刘晶1,2, 赵邵泽2, 刘鑫刚3, 牛浩哲3, 季海鹏1,4(
)
收稿日期:2025-08-01
修回日期:2025-09-11
接受日期:2025-09-11
发布日期:2025-11-05
出版日期:2026-07-10
通讯作者:
季海鹏
作者简介:刘晶(1979—),女,内蒙古包头人,研究员,博士,CCF杰出会员,主要研究方向:工业人工智能基金资助:
Jing LIU1,2, Shaoze ZHAO2, Xingang LIU3, Haozhe NIU3, Haipeng JI1,4(
)
Received:2025-08-01
Revised:2025-09-11
Accepted:2025-09-11
Online:2025-11-05
Published:2026-07-10
Contact:
Haipeng JI
About author:LIU Jing, born in 1979, Ph. D., research fellow. Her research interests include industrial artificial intelligence.Supported by:摘要:
钛合金广泛应用于航空航天等领域,它的显微组织的优化是提升材料性能的关键。因此,探索钛合金热加工工艺参数与显微组织演变规律的关联性成为研究热点。传统研究方法高度依赖于实验手段,通过物理试样制备与表征获取数据,然而,热加工工况组合复杂、实验周期长且成本高,导致全工况下的显微组织数据难以完备。针对上述问题,提出一种跨工况下基于改进条件生成对抗网络(CGAN)的钛合金显微组织数据生成方法(GL-CGAN-TL)。该方法包括2个模块:1)基于全局-局部生成器融合的显微组织数据生成模块,通过全局-局部生成器在新工况下高效生成显微组织数据;2)基于自适应微调的数据质量迁移验证模块,结合迁移学习技术对生成数据质量进行验证。在TC18钛合金显微组织试样数据上进行实验的结果表明,本文方法在保持生成数据有效补全真实数据的同时,使平均绝对误差(MAE)和均方根误差(RMSE)较现有方法降低了27.6%以上,显著优于同类方法。
中图分类号:
刘晶, 赵邵泽, 刘鑫刚, 牛浩哲, 季海鹏. 跨工况下基于改进CGAN的钛合金显微组织数据生成方法[J]. 计算机应用, 2026, 46(7): 2373-2382.
Jing LIU, Shaoze ZHAO, Xingang LIU, Haozhe NIU, Haipeng JI. Cross-condition microstructure data generation method for titanium alloys based on improved CGAN[J]. Journal of Computer Applications, 2026, 46(7): 2373-2382.
| 工况 | 序号 | 热加工工艺参数 | 组织特征参数 | |||
|---|---|---|---|---|---|---|
| 变形温度/℃ | 固溶温度/℃ | 应变量 | α相含量 | α相球化百分数/% | ||
| 工况1 | 1 | 740 | 720 | 1.339 351 | 18.896 | 69.301 821 559 42 |
| 2 | 740 | 720 | 1.339 681 | 17.892 | 65.372 701 509 26 | |
| | | | | | | |
| 5 720 | 740 | 720 | 1.199 721 | 14.394 | 67.022 838 499 18 | |
| 工况2 | 1 | 740 | 760 | 1.339 351 | 17.822 | 74.035 868 392 66 |
| 2 | 740 | 760 | 1.339 681 | 20.686 | 65.269 634 875 49 | |
| | | | | | | |
| 5 720 | 740 | 760 | 0.314 628 | 32.702 | 33.887 524 656 82 | |
| | | | | | | |
| 工况10 | 1 | 860 | 840 | 1.366 787 | 23.230 | 30.240 915 746 04 |
| 2 | 860 | 840 | 1.367 015 | 17.116 | 18.870 452 437 39 | |
| | | | | | | |
| 5 720 | 860 | 840 | 0.311 993 | 14.190 | 39.629 453 681 71 | |
表1 TC18钛合金显微组织试样的部分数据
Tab. 1 Partial microstructure sample data of TC18 titanium alloy
| 工况 | 序号 | 热加工工艺参数 | 组织特征参数 | |||
|---|---|---|---|---|---|---|
| 变形温度/℃ | 固溶温度/℃ | 应变量 | α相含量 | α相球化百分数/% | ||
| 工况1 | 1 | 740 | 720 | 1.339 351 | 18.896 | 69.301 821 559 42 |
| 2 | 740 | 720 | 1.339 681 | 17.892 | 65.372 701 509 26 | |
| | | | | | | |
| 5 720 | 740 | 720 | 1.199 721 | 14.394 | 67.022 838 499 18 | |
| 工况2 | 1 | 740 | 760 | 1.339 351 | 17.822 | 74.035 868 392 66 |
| 2 | 740 | 760 | 1.339 681 | 20.686 | 65.269 634 875 49 | |
| | | | | | | |
| 5 720 | 740 | 760 | 0.314 628 | 32.702 | 33.887 524 656 82 | |
| | | | | | | |
| 工况10 | 1 | 860 | 840 | 1.366 787 | 23.230 | 30.240 915 746 04 |
| 2 | 860 | 840 | 1.367 015 | 17.116 | 18.870 452 437 39 | |
| | | | | | | |
| 5 720 | 860 | 840 | 0.311 993 | 14.190 | 39.629 453 681 71 | |
| 工况 | 序号 | 热加工工艺参数 | 组织特征参数 | |||
|---|---|---|---|---|---|---|
| 变形温度/℃ | 固溶温度/℃ | 应变量 | α相含量 | α相球化百分数/% | ||
| 新工况1 | 1 | 740 | 740 | 1.235 390 | 11.396 | 86.071 229 862 371 |
| 2 | 740 | 740 | 1.238 930 | 17.892 | 88.781 906 790 139 | |
| | | | | | | |
| 202 | 740 | 740 | 0.554 115 | 28.121 | 60.520 853 963 581 | |
| 新工况2 | 1 | 740 | 750 | 1.216 206 | 12.429 | 86.524 323 471 475 |
| 2 | 740 | 750 | 1.213 575 | 12.266 | 84.136 386 453 952 | |
| | | | | | | |
| 212 | 740 | 750 | 0.571 749 | 30.123 | 61.345 440 159 697 | |
| | | | | | | |
| 新工况18 | 1 | 800 | 820 | 1.305 826 | 11.317 | 83.149 986 330 210 |
| 2 | 800 | 820 | 1.263 338 | 12.602 | 84.862 242 157 222 | |
| | | | | | | |
| 129 | 800 | 820 | 0.662 023 | 31.119 | 54.204 760 636 530 | |
表2 TC18钛合金显微组织试样的部分生成数据
Tab. 2 Partially generated microstructure data of TC18 titanium alloy
| 工况 | 序号 | 热加工工艺参数 | 组织特征参数 | |||
|---|---|---|---|---|---|---|
| 变形温度/℃ | 固溶温度/℃ | 应变量 | α相含量 | α相球化百分数/% | ||
| 新工况1 | 1 | 740 | 740 | 1.235 390 | 11.396 | 86.071 229 862 371 |
| 2 | 740 | 740 | 1.238 930 | 17.892 | 88.781 906 790 139 | |
| | | | | | | |
| 202 | 740 | 740 | 0.554 115 | 28.121 | 60.520 853 963 581 | |
| 新工况2 | 1 | 740 | 750 | 1.216 206 | 12.429 | 86.524 323 471 475 |
| 2 | 740 | 750 | 1.213 575 | 12.266 | 84.136 386 453 952 | |
| | | | | | | |
| 212 | 740 | 750 | 0.571 749 | 30.123 | 61.345 440 159 697 | |
| | | | | | | |
| 新工况18 | 1 | 800 | 820 | 1.305 826 | 11.317 | 83.149 986 330 210 |
| 2 | 800 | 820 | 1.263 338 | 12.602 | 84.862 242 157 222 | |
| | | | | | | |
| 129 | 800 | 820 | 0.662 023 | 31.119 | 54.204 760 636 530 | |
| 方法 | 工况1 | 工况2 | ||||||
|---|---|---|---|---|---|---|---|---|
| α相含量 | α相球化百分数 | α相含量 | α相球化百分数 | |||||
| RMSE | RMSE | RMSE | RMSE | |||||
| Pretrained | 18.368 | 17.869 | 0.246 | 0.223 | 5.726 | 5.394 | 0.214 | 0.189 |
| Real-only | 16.085 | 14.772 | 0.165 | 0.135 | 5.005 | 4.631 | 0.183 | 0.153 |
| G25+R75 | 5.670 | 4.647 | 0.101 | 0.078 | 3.268 | 2.619 | 0.117 | 0.092 |
| G50+R50 | 3.147 | 2.353 | 0.092 | 0.071 | 1.526 | 1.265 | 0.105 | 0.081 |
| G75+R25 | 6.340 | 5.781 | 0.128 | 0.106 | 3.425 | 3.109 | 0.146 | 0.119 |
| G100 | 10.809 | 10.399 | 0.130 | 0.107 | 4.034 | 3.576 | 0.155 | 0.128 |
表3 生成样本置信度的验证结果
Tab. 3 Validation results of confidence scores for generated samples
| 方法 | 工况1 | 工况2 | ||||||
|---|---|---|---|---|---|---|---|---|
| α相含量 | α相球化百分数 | α相含量 | α相球化百分数 | |||||
| RMSE | RMSE | RMSE | RMSE | |||||
| Pretrained | 18.368 | 17.869 | 0.246 | 0.223 | 5.726 | 5.394 | 0.214 | 0.189 |
| Real-only | 16.085 | 14.772 | 0.165 | 0.135 | 5.005 | 4.631 | 0.183 | 0.153 |
| G25+R75 | 5.670 | 4.647 | 0.101 | 0.078 | 3.268 | 2.619 | 0.117 | 0.092 |
| G50+R50 | 3.147 | 2.353 | 0.092 | 0.071 | 1.526 | 1.265 | 0.105 | 0.081 |
| G75+R25 | 6.340 | 5.781 | 0.128 | 0.106 | 3.425 | 3.109 | 0.146 | 0.119 |
| G100 | 10.809 | 10.399 | 0.130 | 0.107 | 4.034 | 3.576 | 0.155 | 0.128 |
图8 各实验方法在2个工况下的α相含量与α相球化百分数预测结果对比
Fig. 8 Comparison of alpha phase content and alpha phase spheroidization percentage prediction results of various experimental methods under two operating conditions
| 方法 | 工况1 | 工况2 | ||||||
|---|---|---|---|---|---|---|---|---|
| α相含量 | α相球化百分数 | α相含量 | α相球化百分数 | |||||
| RMSE | RMSE | RMSE | RMSE | |||||
| C-DCGAN | 10.728 | 10.232 | 0.167 | 0.142 | 4.227 | 3.799 | 0.177 | 0.145 |
| RCWGAN | 6.174 | 5.529 | 0.127 | 0.106 | 3.442 | 2.980 | 0.158 | 0.132 |
| GL-CGAN-TL | 3.147 | 2.353 | 0.092 | 0.071 | 1.526 | 1.265 | 0.105 | 0.081 |
表4 C-DCGAN、RCWGAN与GL-CGAN-TL的预测结果对比
Tab. 4 Comparison of prediction results among C-DCGAN, RCWGAN, and GL-CGAN-TL
| 方法 | 工况1 | 工况2 | ||||||
|---|---|---|---|---|---|---|---|---|
| α相含量 | α相球化百分数 | α相含量 | α相球化百分数 | |||||
| RMSE | RMSE | RMSE | RMSE | |||||
| C-DCGAN | 10.728 | 10.232 | 0.167 | 0.142 | 4.227 | 3.799 | 0.177 | 0.145 |
| RCWGAN | 6.174 | 5.529 | 0.127 | 0.106 | 3.442 | 2.980 | 0.158 | 0.132 |
| GL-CGAN-TL | 3.147 | 2.353 | 0.092 | 0.071 | 1.526 | 1.265 | 0.105 | 0.081 |
图9 各实验方法在2个工况下的α相含量与α相球化百分数消融结果对比
Fig. 9 Comparison of alpha phase content and alpha phase spheroidization percentage ablation results of various experimental methods under 2 operating conditions
| 方法 | 工况1 | 工况2 | ||||||
|---|---|---|---|---|---|---|---|---|
| α相含量 | α相球化百分数 | α相含量 | α相球化百分数 | |||||
| RMSE | RMSE | RMSE | RMSE | |||||
| No-CUTREG | 6.620 | 5.784 | 0.189 | 0.164 | 1.984 | 1.540 | 0.165 | 0.146 |
| CGAN-TL | 6.679 | 5.058 | 0.173 | 0.143 | 3.449 | 2.863 | 0.190 | 0.158 |
| GL-CGAN-TL | 3.147 | 2.353 | 0.092 | 0.071 | 1.526 | 1.265 | 0.105 | 0.081 |
表5 No-CUTREG、CGAN-TL与GL-CGAN-TL的预测结果对比
Tab. 5 Comparison of prediction results among No-CUTREG, CGAN-TL and GL-CGAN-TL
| 方法 | 工况1 | 工况2 | ||||||
|---|---|---|---|---|---|---|---|---|
| α相含量 | α相球化百分数 | α相含量 | α相球化百分数 | |||||
| RMSE | RMSE | RMSE | RMSE | |||||
| No-CUTREG | 6.620 | 5.784 | 0.189 | 0.164 | 1.984 | 1.540 | 0.165 | 0.146 |
| CGAN-TL | 6.679 | 5.058 | 0.173 | 0.143 | 3.449 | 2.863 | 0.190 | 0.158 |
| GL-CGAN-TL | 3.147 | 2.353 | 0.092 | 0.071 | 1.526 | 1.265 | 0.105 | 0.081 |
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