Search Results - "Baohua, Chang"

Microstructure and mechanical properties of high chromium nickel-based superalloy fabricated by laser metal deposition by Wang, Kaiming, Du, Dong, Liu, Guan, Pu, Ze, Chang, Baohua, Ju, Jiang

“…A high chromium (Cr) superalloy, K648, has been additively fabricated by using laser metal deposition (LMD) for the first time, and the microstructure and…”
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Multi-Output Monitoring of High-Speed Laser Welding State Based on Deep Learning by Xue, Boce, Chang, Baohua, Du, Dong

“…In order to ensure the production quality of high-speed laser welding, it is necessary to simultaneously monitor multiple state properties. Monitoring methods…”
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A Vision Based Detection Method for Narrow Butt Joints and a Robotic Seam Tracking System by Xue, Boce, Chang, Baohua, Peng, Guodong, Gao, Yanjun, Tian, Zhijie, Du, Dong, Wang, Guoqing

“…Automatic joint detection is of vital importance for the teaching of robots before welding and the seam tracking during welding. For narrow butt joints, the…”
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Influence of Scanning Speed on Microstructure and Properties of Laser Cladded Fe-Based Amorphous Coatings by Hou, Xiangchun, Du, Dong, Chang, Baohua, Ma, Ninshu

“…Fe-based amorphous alloys with excellent mechanical properties are suitable for preparing wear resistant coatings by laser cladding. In this study, a novel…”
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A study on the additive manufacturing of a high chromium Nickel-based superalloy by extreme high-speed laser metal deposition by Wang, Kaiming, Du, Dong, Liu, Guan, Pu, Ze, Chang, Baohua, Ju, Jiang

“…•Superalloy K648 was manufactured by extreme high-speed laser metal deposition.•The microstructure features were revealed for K648 superalloy made by…”
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A Dynamic Reserve Evaluation Method for an Ultra-Deep Fractured Tight Sandstone Gas Reservoir by He, Xinxing, Wang, Chenhui, Chang, Baohua, Cao, Zhenglin, Tang, Haifa

“…Dynamic reserves evaluation is crucial for the development and assessment of gas reservoirs. However, ultra-deep fractured tight sandstone gas reservoirs pose…”
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Automatic weld defect detection method based on Kalman filtering for real-time radiographic inspection of spiral pipe by Zou, Yirong, Du, Dong, Chang, Baohua, Ji, Linhong, Pan, Jiluan

“…A method based on Kalman filtering is proposed for weld defect detection in real-time radiographic NDT of spiral pipes. The existence of the image noises and…”
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Closed-Loop Control of Droplet Transfer in Electron-Beam Freeform Fabrication by Chang, Shuhe, Zhang, Haoyu, Xu, Haiying, Sang, Xinghua, Wang, Li, Du, Dong, Chang, Baohua

“…In the process of electron-beam freeform fabrication deposition, the surface of the deposit layer becomes rough because of the instability of the feeding wire…”
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Effect of twin-wire feeding methods on the in-situ synthesis of electron beam fabricated Ti-Al-Nb intermetallics by Li, Zixiang, Chang, Baohua, Cui, Yinan, Zhang, Haoyu, Liang, Zhiyue, Liu, Changmeng, Wang, Li, Du, Dong, Chang, Shuhe

“…[Display omitted] •Three twin-wire feeding methods were adopted to fabricate Ti-Al-Nb intermetallics in-situ through electron beam freeform fabrication.•The…”
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A Weld Position Recognition Method Based on Directional and Structured Light Information Fusion in Multi-Layer/Multi-Pass Welding by Zeng, Jinle, Chang, Baohua, Du, Dong, Wang, Li, Chang, Shuhe, Peng, Guodong, Wang, Wenzhu

“…Multi-layer/multi-pass welding (MLMPW) technology is widely used in the energy industry to join thick components. During automatic welding using robots or…”
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Effect of hot isostatic pressing on microstructure and properties of high chromium K648 superalloy manufacturing by extreme high-speed laser metal deposition by Wang, Kaiming, Liu, Wei, Li, Xuening, Tong, Yonggang, Hu, Yongle, Hu, Hongwei, Chang, Baohua, Ju, Jiang

“…High chromium superalloys have good overall mechanical properties and are widely used in critical hot-end components. The current manufacturing process still…”
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Pressure Transient Test Analysis for Deep Fractured Gas Reservoirs in Tarim Basin by Chen, Dong, Wang, Xin, Yang, Fenglai, Chang, Baohua, Liu, Lei, Wang, Junlei, Zhou, Wenzhuo

“…Fractures are common features in deep gas reservoirs with strong heterogeneity, which are generally evaluated by well-testing analysis. Based on the…”
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In-Process Monitoring of Lack of Fusion in Ultra-Thin Sheets Edge Welding Using Machine Vision by Hong, Yuxiang, Chang, Baohua, Peng, Guodong, Yuan, Zhang, Hou, Xiangchun, Xue, Boce, Du, Dong

“…Lack of fusion can often occur during ultra-thin sheets edge welding process, severely destroying joint quality and leading to seal failure. This paper…”
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Research on the Weld Position Detection for the T-Joints in Web-Core Sandwich Panels Based on Eddy Current Technology by Wei, Angang, Chang, Baohua, Meng, Fanyue, Du, Dong, Han, Zandong

“…Web-core sandwich panels have gained the popularity in various fields, especially aviation and shipbuilding, etc. Penetration welding was considered as an…”
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Humping Formation and Suppression in High-Speed Laser Welding by Xue, Boce, Chang, Baohua, Wang, Shenghua, Hou, Runshi, Wen, Peng, Du, Dong

“…Increasing welding speed can promote the productivity of laser welding. However, humping defects often occur, which limits the application of this strategy…”
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Effect of welding parameters on spatter formation in full-penetration laser welding of titanium alloys by Cheng, Hao, Zhou, Liangang, Li, Qijun, Du, Dong, Chang, Baohua

“…The spatter formation process was observed by high-speed imaging during the full-penetration laser welding (FPLW) process of 4 mm-thick TC4 alloy plates. The…”
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Online Measurement of Deposit Surface in Electron Beam Freeform Fabrication by Chang, Shuhe, Zhang, Haoyu, Xu, Haiying, Sang, Xinghua, Wang, Li, Du, Dong, Chang, Baohua

“…In the process of electron beam freeform fabrication (EBF3), due to the continuous change of thermal conditions and variability in wire feeding in the…”
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Effect of Molybdenum on the Microstructures and Properties of Stainless Steel Coatings by Laser Cladding by Wang, Kaiming, Chang, Baohua, Chen, Jiongshen, Fu, Hanguang, Lin, Yinghua, Lei, Yongping

“…Stainless steel powders with different molybdenum (Mo) contents were deposited on the substrate surface of 45 steel using a 6 kW fiber laser. The…”
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Accelerated improvement in tensile superelasticity of electron beam directed energy deposition manufactured NiTi alloys by artificial thermal cycling combined with low temperature aging treatment by Pu, Ze, Chen, Changyong, Du, Dong, Xi, Rui, Jiang, Hao, Wang, Kaiming, Sun, Liying, Wang, Xiebin, Chang, Baohua

“…ABSTRACTThe low-temperature aging treatment at 250°C can significantly improve the tensile superelasticity of NiTi alloys fabricated by electron beam directed…”
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Research on the Weld Position Detection Method for Sandwich Structures from Face-Panel Side Based on Backscattered X-ray by Wei, Angang, Chang, Baohua, Xue, Boce, Peng, Guodong, Du, Dong, Han, Zandong

“…Web-core sandwich panels are a typical lightweight structure utilized in a variety of fields, such as naval, aviation, aerospace, etc. Welding is considered as…”
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