基于3D技术的金属结构件断口形貌重建方法

doi:10.3976/j.issn.1002-4026.2019.03.007

Shandong Science ›› 2019, Vol. 32 ›› Issue (3): 42-47.doi: 10.3976/j.issn.1002-4026.2019.03.007

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The reconstruction method for fracture surface morphology of metal parts based on 3D technologies

LIU Long¹, JIANG Ting¹, HOU Nan¹, ZHANG Zong-yang², DING Ning^1*

1.Shandong Engineering Technology Center for Material Failure Analysis and Safety Assessment, Shandong Analysis and Test Center, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250014, China; 2.Technical Development Centre, China National Heavy Duty Truck Corporation Co. Ltd, Jinan 250000, China

Received:2019-03-12 Published:2019-06-20 Online:2019-06-01

Abstract

Abstract: 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 (3D) techniques such as 3D microscope with super wide depth of field and 3D printing. Firstly, the fracture surface was imaged by 3D technology, and the 3D stereoscopic morphology of fracture surface was established. Then, the 3D 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 3D technologies can be well applied in the field of failure analysis of metal parts.

Key words: 3D techniques, failure analysis, fracture surface, microscopic observation, metal parts

CLC Number:

TG306

LIU Long, JIANG Ting, HOU Nan, ZHANG Zong-yang, DING Ning. The reconstruction method for fracture surface morphology of metal parts based on 3D technologies[J].Shandong Science, 2019, 32(3): 42-47.

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The reconstruction method for fracture surface morphology of metal parts based on 3D technologies

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