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WANG X R , NI P J , YI B , et al . Research on collision detection in ultrasonic automatic testing of rotary assembly [J ] . Acta Armamentarii , 2018 , 39 ( 4 ): 164 - 167 . (in Chinese)

沈杨梅 , 李伟兵 , 曹营军 , 等 . 结构参数对复合装药战斗部破片特性的影响 [J ] . 含能材料 , 2022 , 30 ( 1 ): 50 - 57 .

SHEN Y M , LI W B , CAO Y J , et al . Influence of structural parameters on characteristics of fragments from warheads with a composite charge [J ] . Chinese Journal of Energetic Materials , 2022 , 30 ( 1 ): 50 - 57 . (in Chinese)

WANG Z , PU H M , KANG Y H , et al . Nondestructive testing method and application for internal defect of metal balls [J ] . Nondestructive Testing and Evaluation , 2020 , 35 ( 2 ): 177 - 189 . DOI: 10.1080/10589759.2019.1652296 http://doi.org/10.1080/10589759.2019.1652296 https://www.tandfonline.com/doi/full/10.1080/10589759.2019.1652296 https://www.tandfonline.com/doi/full/10.1080/10589759.2019.1652296

LARIONOV V V , LIDER A M , DOLMATOV D O , et al . Ultrasonic testing for defects in complex shaped metal products [J ] . Russian Journal of Nondestructive Testing , 2021 , 57 ( 5 ): 369 - 374 . DOI: 10.1134/S1061830921050090 http://doi.org/10.1134/S1061830921050090

李勇 , 李东升 , 李小强 . 大型复杂壁板构件塑性成形技术研究与应用进展 [J ] . 航空制造技术 , 2020 , 63 ( 21 ): 24 - 33 .

LI Y , LI D S , LI X Q . A review of plastic forming technologies and applications for large and complex-shaped panels [J ] . Aeronautical Manufacturing Technology , 2020 , 63 ( 21 ): 24 - 33 . (in Chinese)

段现银 , 余胜 , 彭芳瑜 , 等 . 基于特征矩阵的大型舱体类构件毛坯模型复杂特征分层识别方法 [J ] . 机械工程学报 , 2021 , 57 ( 5 ): 166 - 176 . DOI: 10.3901/JME.2021.05.166 http://doi.org/10.3901/JME.2021.05.166 大型舱体类构件是大飞机、火箭等航空航天飞行器型号的重要部件，具有众多复杂内部相交特征，给其内部特征的准确识别带来极大挑战，毛坯模型内部特征的有效识别是实现加工余量确定、切削参数优化及刀具路径规划的重要基础。提出了一种基于特征矩阵的大型复杂构件毛坯模型相交特征分层识别算法，实现基于毛坯模型几何拓扑信息的多层次复杂相交特征识别。首先使用阈值分割法识别和剔除大型复杂构件毛坯模型伪特征及其数据，进行毛坯模型优化。然后构建该优化毛坯模型的属性邻接图，采用分层识别方法对构件的优化毛坯模型相交特征进行分层处理，得到单一特征并计算其特征矩阵。将多类型单一特征均转换为特征矩阵，建立特征匹配库。最后将特征矩阵与特征库进行匹配，以进行模型相交特征准确识别。对具有多种特征的舱体零件毛坯模型进行实例验证，通过准确识别多类型特征分别验证了该算法的可行性和有效性。

DUAN X Y , YU S , PENG F Y , et al . Feature matrix based complex feature hierarchical recognition for blank model of large cabin component [J ] . Journal of mechanical engineering , 2021 , 57 ( 5 ): 166 - 176 . (in Chinese) DOI: 10.3901/JME.2021.05.166 http://doi.org/10.3901/JME.2021.05.166 Large cabin components are important parts of aerospace vehicles such as large aircrafts and rockets. They have many complex intersection features, which brings great challenges to the accurate identification of their internal features. The effective recognition of the internal characteristics of the blank model is foundation of the determination of machining allowance, optimization of cutting parameters and tool path planning. A hierarchical recognition algorithm for the intersection features of large and complex component blank models based on feature matrices is proposed, which realizes the multi-level complex intersection feature recognition based on the geometric topology information of the blank model. First, the threshold segmentation method is used to identify and eliminate the pseudo-features and data of the large and complex component blank model and optimize the blank model. Then, the attribute adjacency graph of the optimized blank model is constructed, and the intersection features of the optimized blank model are processed in layers by using the hierarchical recognition method to obtain a single feature and calculate its feature matrix. Multi-type single features are converted into feature matrices, and feature matching libraries are established. Finally, the feature matrix is matched with the feature library to accurately identify the intersection features. The blank model of cabin parts with multiple features is verified by cases, and the feasibility and effectiveness of the algorithm are verified by accurately identifying multiple types of features.

孙得川 , 权恩 , 曹梦成 . 超声波实时测量技术在固体火箭发动机中的应用 [J ] . 兵工学报 , 2016 , 37 ( 11 ): 1969 - 1975 . DOI: 10.3969/j.issn.1000-1093.2016.11.001 http://doi.org/10.3969/j.issn.1000-1093.2016.11.001 利用超声波对固体推进剂燃速进行实时测量是先进的燃速测量方法之一。针对超声波技术在固体火箭发动机试车中的应用，对典型固体火箭发动机材料进行测试研究，获得了发动机材料的超声波信号特征。将超声波探头直接安装在发动机壳体外侧部位，测量了固体推进剂在常压燃烧时的厚度变化。针对动态燃速测试，提出了超声波数据处理方法，对固体装药在常压燃烧下的回波进行处理，获得了装药的厚度变化过程和燃速，并分析了燃面附近温度分布对燃速测量的影响。结果表明：用超声波测量金属壳体固体发动机的燃速必须在壳体上开窗使超声波透过壳体和绝热层界面，而对复合材料壳体发动机可将超声波探头直接安装在壳体外侧;燃烧引起的装药表面温度变化对测量的影响可以忽略；该数据处理方法可以有效获得装药厚度变化。

SUN D C , QUAN E , CAO M C . Application of ultrasonic real-time measurement technology in solid rocket motor [J ] . Acta Armamentarii , 2016 , 37 ( 11 ): 1969 - 1975 . (in Chinese)

姬文苏 , 丁玉奎 . 火箭发动机多层粘接结构超声检测研究 [J ] . 兵工学报 , 2015 , 36 ( 增刊1 ): 364 - 368 .

JI W S , DING Y K . Study of ultrasonic detection for multi-layer adhesive joints of solid propellant rocket engines [J ] . Acta Armamentarii , 2015 , 36 ( S1 ): 364 - 368 . (in Chinese)

潘勤学 , 邵唱 , 肖定国 , 等 . 基于形状因子的螺栓紧固力超声测量方法研究 [J ] . 兵工学报 , 2019 , 40 ( 4 ): 880 - 888 . DOI: 10.3969/j.issn.1000-1093.2019.04.024 http://doi.org/10.3969/j.issn.1000-1093.2019.04.024 针对螺栓轴向应力分布不均匀对现有螺栓紧固力超声检测模型的影响，以及模型中关键参数难以确定的问题，提出螺栓形状因子概念和确定方法。建立基于形状因子和材料因子的螺栓紧固力超声检测模型，分析了温度对检测系数和超声传播时间变化量的影响。通过有限元仿真与实验标定相结合方法，获得了45号钢的材料因子和M20、M16标准粗牙全螺纹螺栓的形状因子。使用标定参数对螺栓试样进行紧固力测量实验，测量结果和预置紧固力吻合良好，验证了该方法的有效性和可靠性。

PAN Q X , SHAO C , XIAO D G , et al . Study of ultrasonic measurement method for bolt fastening force based on shape factor [J ] . Acta Armamentarii , 2019 , 40 ( 4 ): 880 - 888 . (in Chinese) DOI: 10.3969/j.issn.1000-1093.2019.04.024 http://doi.org/10.3969/j.issn.1000-1093.2019.04.024 For the influence of the nonuniform distribution of axial stress on the existing ultrasonic measurement model and the difficulty to determinate the key parameters in the model, the concept and determination method of bolt shape factor are proposed, and an ultrasonic measurement model for bolt fastening force based on shape factor is established. On the basis of the proposed model, the influence of temperature on detection coefficient and acoustic time difference is analyzed. The material factor of 45# steel, and the shape factors of M20 and M16 standard full thread bolts are obtained through finite element simulation and experimental calibration. The fastening forces of bolt samples were measured with the calibration parameters. The measured results are in good agreement with the preset fastening force, which verifies the validity and reliability of the method. Key

周正干 , 孙广开 . 先进超声检测技术的研究应用进展 [J ] . 机械工程学报 , 2017 , 53 ( 22 ): 1 - 10 . DOI: 10.3901/JME.2017.22.001 http://doi.org/10.3901/JME.2017.22.001 第19届世界无损检测大会于2016年6月在德国慕尼黑召开，来自世界各地的无损检测研究人员集中交流了超声、射线、红外等先进检测技术与设备，从中可窥见世界无损检测技术与设备的最新研究、应用进展和发展趋势。简要介绍了大会概况，主要分析了相控阵超声、空气耦合超声和激光超声等先进超声无损检测技术与设备的研究和应用新进展，探讨了先进超声无损检测技术与设备的发展方向，提出了需要进一步研究的若干问题，指出了未来发展的新机遇。

ZHOU Z G , SUN G K . New progress of the study and application of advanced ultrasonic testing technology [J ] . Journal of mechanical engineering , 2017 , 53 ( 22 ): 1 - 10 . (in Chinese) DOI: 10.3901/JME.2017.22.001 http://doi.org/10.3901/JME.2017.22.001 The 19th world conference on non-destructive testing was held in Munich, Germany, in June 2016. The advanced testing technologies and equipment including ultrasonic, radiographic and infrared et al were centralized discussed by the researchers in nondestructive testing coming from all around the world. The new progress of the study and application of the worldwide nondestructive testing technologies and equipment, and the developing trend are reflected. An overview of the conference is presented. The new progress of the study and application of advanced ultrasonic testing technologies, including phased array ultrasonic, air-coupled ultrasonic and laser ultrasonic et al are mainly analyzed. The developing trend of the advanced ultrasonic testing technology is discussed. The problems need to be further studied are raised. The new opportunities for future development are pointed out.

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