Development of Ultrasonic Testing Equipment for Non-destructive Evaluation of Weldability and Adhesion of Materials and Coatings

材料及涂层可焊性、附着力无损评价超声波检测设备的研制

• 批准号: 08555173
• 负责人: SUGA Yasuo
• 金额: $ 1.98万
• 依托单位: Keio University
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Scientific Research (B)
• 财政年份: 1996
• 资助国家: 日本
• 起止时间: 1996 至 1998
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-08555173/
• 关键词: Welding robot; Visual sensing; Welding line; Automatic seam tracking; Molten pool; Control of penetration; Image processing; 比破壊評価; 超音波; 溶射皮膜; 非破壊的評価; 探触子姿勢制御; 表面自動倣い制御; 局部水浸法; 超音波周波数; 皮膜密着性

Ultrasonic testing equipment for non-destructive evaluation of weldability and adhesion of materials and coatings were developed.Main results obtained are summarized as follows :(1)The importance in selection of test conditions such as focal distance and water distance is pointed out. The shape and position of delamination of coating can be detected by the ultrasonic testing method especially by detecting the bottom echo.(2)The delaminating process of coating in thermal shock test can be observed non-destructively by the ultrasonic testing method.(3)The method to measure the impedance of coating and transmission coefficient at the interface between coating and substrate detected by ultrasonic surface echo and bottom echo is proposed. As the result of the experimental investigation, it is confirmed that this method proposed is effective to evaluate simultaneously pore and adhesion of coating.(4)Friction welding of copper to aluminum was performed and ultrasonic testing method was proposed to evaluate the joints non-destructively. And it is shown that the soundness of joints can be evaluated by detecting interface echo height distribution using the ultrasonic testing method proposed.

研制了用于无损评价材料和涂层可焊性和附着力的超声检测设备，取得的主要成果总结如下：（1）指出了焦距、水距等测试条件选择的重要性。超声波检测方法特别是通过检测底层回波可以检测出涂层分层的形状和位置。（2）超声波检测方法可以无损地观察涂层在热震试验中的分层过程。（3）提出了利用超声表面回波和底部回波测量涂层阻抗和涂层与基体界面透射系数的方法。实验结果表明，该方法能有效地同时评价涂层的孔隙和结合力。（4）对铜-铝摩擦焊接头进行了超声检测，并对接头进行了无损检测。结果表明，该方法可以通过检测界面回波高度分布来评价节理的完好性。

项目成果

菅泰雄,他: "超音波を用いた溶射皮膜およびその密着性評価" 溶接学会溶接構造シンポジウム'97. 1. 213-220 (1997)

Yasuo Suga 等人：“使用超声波评估热喷涂涂层及其附着力”焊接协会焊接结构研讨会 97。1. 213-220 (1997)

Y,Suga,et.al.: "Evaluation of Adhesion and Propertg'es of Thermal Sprnyed Coating by Ultrasonic Testing Method(発表予定)" Proc.of Intern.Thermal Spraying Conf.'98. (1998)

Y, Suga 等人：“通过超声波测试方法评估热喷涂涂层的附着力和性能”Proc. of Intern. (1998)。

菅泰雄,他: "曲面溶射材の自動超音波試験のための探触子姿勢制御および素材表面倣い制御" 日本機械学会論文集. 63-6060. 598-604 (1997)

Yasuo Suga 等人：“弯曲热喷涂材料自动超声波测试的探针姿态控制和材料表面跟踪控制”，日本机械工程师学会会刊 63-6060 (1997)。

Y.Suga,et al.: "Evaluation of Adhesion and Properties of Thermal Spryed Coating by Ultrasonic Testing Method" Proc.5th International Thermal Spray Conference. 843-848 (1998)

Y.Suga等人：“通过超声波测试方法评估热喷涂涂层的附着力和性能”Proc.5th国际热喷涂会议。

Y.Suga,et,al: "Application of Ultrasonic Sensing Method to Undernater Works" Proc.of ITIT Intern.Symp.on New Tech.from Marine-sphere. 1. 67-70 (1997)

Y.Suga 等人：“超声波传感方法在海底工作中的应用”Proc.of ITIT Intern.Symp.on New Tech.from Marine-sphere。