基于3D技术的金属结构件断口形貌重建方法
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摘要
针对利用扫描电子显微镜观察失效断口无法掌握宏观立体位置的问题,借助超景深数码显微镜和3D打印等多种3D技术提出解决方案。首先利用3D技术对断口进行成像,建立断口的3D立体形貌;然后利用计算机辅助技术建立断口的三维实体模型;最后借助该模型辅助扫描电子显微镜的断口显微观察。结果表明,3D技术可以很好地应用于金属结构件失效分析领域。
In view of the problem that it is impossible to grasp the macroscopic stereoscopic position when observing the failure fracture with scanning electron microscopy(SEM), the solutions were put forward by means of multiple three-dimensional(3 D) techniques such as 3 D microscope with super wide depth of field and 3 D printing. Firstly, the fracture surface was imaged by 3 D technology, and the 3 D stereoscopic morphology of fracture surface was established. Then, the 3 D model of the fracture surface was obtained by computer-aided technology. Finally, the model was used to assist scanning electron microscopy conduct the micro examination of the fracture surface. The results indicate that 3 D technologies can be well applied in the field of failure analysis of metal parts.
In view of the problem that it is impossible to grasp the macroscopic stereoscopic position when observing the failure fracture with scanning electron microscopy(SEM), the solutions were put forward by means of multiple three-dimensional(3 D) techniques such as 3 D microscope with super wide depth of field and 3 D printing. Firstly, the fracture surface was imaged by 3 D technology, and the 3 D stereoscopic morphology of fracture surface was established. Then, the 3 D model of the fracture surface was obtained by computer-aided technology. Finally, the model was used to assist scanning electron microscopy conduct the micro examination of the fracture surface. The results indicate that 3 D technologies can be well applied in the field of failure analysis of metal parts.
引文
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[2]CHAUDHARY A,BISWAS S,PRINCE R K,et al.Failure analysis of bullnose refractory in reheating furnace of Hot Strip Mill [J].Eng Fail Anal,2016,60:341-352.DOI:10.1016/j.engfailanal.2015.11.042.
[3]ZHANG Q,WU X L,Y X X,et al.Failure analysis of steel ball in the brake operating cylinder of heavy launch vehicle [J].Eng Fail Anal,2016,60:353-362.DOI:10.1016/j.engfailanal.2015.11.056.
[4]SALEHNASAB B,POURSAEIDI E,MORTAZAVI S A,et al.Hot corrosion failure in the first stage nozzle of a gas turbine engine [J].Eng Fail Anal,2016,60:316-325.DOI:10.1016/j.engfailanal.2015.11.057.
[5]杨少丹,张彦敏,宋宇,等.工业CT在材料失效分析中的应用与展望 [J].材料研究与应用,2016,10(3):155-158.DOI:10.3969/j.issn.1673-9981.2016.03.001.
[6]吴陈铭,戴澄恺,王昌凌,等.多自由度3D打印技术研究进展综述[J/OL].计算机学报,2018,41(113):1-22.[2019-03-10].http://kns.cnki.net/kcms/detail/11.1826.TP.20181126.1724.010.html.
[7]张卫光,林琎,杨广玲,等.昆虫学实验教学中超景深显微摄影技术的应用 [J].中国现代教育装备,2018 (1):5-7.
[8]KODAMA H.Automatic method for fabricating a three-dimensional plastic model with photo-hardening polymer [J].Rev Sci Instrum,1981,52(11):1770-1773.DOI:10.1063/1.1136492.
[9]杨慧芳,赵建江,王勇.3D打印技术在口腔医学领域中的应用 [J].中国医疗设备,2015,30(5):63-65.DOI:10.3969/j.issn.1674-1633.2015.05.019.
[10]程碧华,汪霄,潘婷.3D打印技术在建筑领域的应用及问题探析 [J].科技管理研究,2018,38(7):172-177.DOI:10.3969/j.issn.1000-7695.2018.07.026.
[11]曾琦.3D打印技术对鞋包设计的影响及展望 [J].皮革科学与工程,2016,26(2):61-66.
[12]成思源,周小东,杨雪荣,等.基于数字化逆向建模的3D打印实验教学 [J].实验技术与管理,2015,32(1):30-33.
[13]张贤富.3D打印对首饰个性化定制过程的重塑研究 [J].包装工程,2018,39(12):180-185.DOI:10.19554/j.cnki.1001-3563.2018.12.034.
[14]王运辅,武仙竹,裴树文,等.湖北郧西黄龙洞骨化石表面改造痕迹研究 [J].第四纪研究,2008,28(6):1034-1041.DOI:10.3321/j.issn:1001-7410.2008.06.008.
[15]李瑛慧,谢春萍,刘新金.三原组织织物拉伸力学性能有限元仿真 [J].纺织学报,2017,38(11):41-47.DOI:10.13475/j.fzxb.20161205107.