An X-ray Online Detection Method for the Distribution of Grain Inner Holes

doi:10.3969/j.issn.1000-1093.2015.02.020

Abstract

Abstract: A novel method is proposed for detecting the distribution of inner holes of extrusion moulding propellant grain online by reconstructing X-ray projection information obtained in multi-angle based on the sinusoidal projection and experience. The experimental result shows that the method not only reduces the acquisition angles of view and the detection cost, but also achieves the requirement of online detection, and ensures the accuracy of the distribution information of inner holes. When the number of angles of view is greater than or equal to six, the detection accuracy of the method can reach 0.01 mm.

Key words: ordnance science and technology, grain, inner hole, sinusoidal projection, X-ray, online detection

CLC Number:

TP391

WANG Zhi-qiang, LIU Bin, PAN Jin-xiao, HAN Yan, CHEN Ping. An X-ray Online Detection Method for the Distribution of Grain Inner Holes[J]. Acta Armamentarii, 2015, 36(2): 327-331.

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