Search Results - "Chang, Baoqi"

Design and experimental investigation on longitudinal-torsional composite horn considering the incident angle of ultrasonic wave by Zhao, Bo, Bie, Wenbo, Wang, Xiaobo, Chen, Fan, Chang, Baoqi

“…The composite vibration mode type of ultrasonic horn has been widely employed in ultrasonic vibration drilling. In order to explore the effect of the incident…”
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Influence of force load on the stability of ultrasonic longitudinal–torsional composite drilling system by Zhao, Bo, Chang, Baoqi, Yuan, Lusheng, Li, Pengtao

“…This study aimed to investigate the problems of system detuning, amplitude attenuation, and even vibration stop after the load was applied to the acoustic…”
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Surface quality in axial ultrasound plunging-type grinding of bearing internal raceway by Zhao, Bo, Guo, Xingchen, Yin, Long, Chang, Baoqi, Li, Pengtao, Wang, Xiaobo

“…In order to obtain good fatigue resistance and surface quality for the inner raceway of a bearing, the cut-in-type grinding test of M50 bearing inner raceway…”
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Research on Carbon Dioxide-Assisted Electrocoagulation Technology for Treatment of Divalent Cations in Water by Chang, Baoqi, Li, Guangpu, Guo, Fuqiang, Lu, Shuang, Peng, Yuhao, Hou, Junwei

“…In the external drainage water of Xinjiang Karamay Petrochemical Company, the calcium and magnesium ion contents are as high as 630 mg/L and 1170 mg/L,…”
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System design and experimental research on ultrasonic assisted elliptical vibration grinding of Nano-ZrO2 ceramics by Zhao, Bo, Chang, Baoqi, Wang, Xiaobo, Bie, Wenbo

“…Aiming at the low toughness, high hardness and difficult machining of hard and brittle materials such as Nano-ZrO2 ceramics, a new type of ultrasonic assisted…”
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Thermo-mechanical coupling effect on surface residual stress during ultrasonic vibration-assisted forming grinding gear by Zhao, Bo, Guo, Xingchen, Bie, Wenbo, Chang, Baoqi, Zhao, Chongyang

“…Gears are important motion and power transmission components and enhancing their machining accuracy and performance. In this work, a novel processing of…”
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Surface feature and material removal in ultrasonic vibration-assisted slot-milling of Ti–6Al–4 V titanium alloy by Chang, Baoqi, Yi, Zhaoxi, Cao, Xiaobing, Duan, Ji-an

“…The continuous optimization of processing technology and evaluation methods is an important way to achieve high processing quality and processing efficiency…”
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Surface wear resistance and microstructure characteristic in longitudinal–torsional ultrasonic vibration side milling of GH4169 superalloy by Chang, Baoqi, Yi, Zhaoxi, Duan, Lian, Zhang, Fen, Duan, Ji-an

“…[Display omitted] •The enhancement principles of the surface wear resistance are analyzed.•The mechanism of ultrasonic vibration intervention in grain…”
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Defect suppression and grain refinement during ultrasonic vibration-assisted side milling of GH4169 superalloy by Chang, Baoqi, Yi, Zhaoxi, Cao, Xiaobing, Duan, Ji-an

“…In order to suppress the axial vibration stripes machining defects (AVSMD) and achieve the engineering goal of multi-demand high quality processing with grain…”
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Microstructure evolution characterization of GH4169 superalloy under ultrasonic high-frequency vibration energy by Chang, Baoqi, Yi, Zhaoxi, Duan, Ji-an, Zhang, Fen, Gong, Da, Kang, Tao

“…Ultrasonic vibration is widely used for nanocrystal surface modification and components performance enhancement due to its significant effects on grain…”
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The effects of thermo-mechanical load on the vibrational characteristics of ultrasonic vibration system by Zhao, Bo, Bie, Wenbo, Wang, Xiaobo, Chen, Fan, Wang, Yi, Chang, Baoqi

“…•A theoretical model of the vibration system under load was first developed.•A experiment was conducted to explore the influence of thermo-mechanical load on…”
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Experimental study on the effect of tool parameters on the vibrational characteristic of ultrasonic vibration-assisted drilling system by Bie, Wenbo, Zhao, Bo, Wang, Xiaobo, Wang, Yi, Chang, Baoqi

“…In ultrasonic vibration-assisted drilling (UVAD), the processing stability is strongly influenced by the ultrasonic vibration system's vibrational…”
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An investigation on laser/DP-MIG hybrid weldability of aluminum to Al-Si coated boron steel by Cao, Xiaobing, Duan, Ji'an, Li, Zhou, Chang, Baoqi, Xu, Cong, Xie, Zheng

“…•A novel laser/DP-MIG hybrid welding-brazing was developed to join aluminum to Al-Si coated boron steel.•Maintaining an appropriate heat input in a low level…”
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Carbon-negative cement manufacturing from seawater-derived magnesium feedstocks by Badjatya, Palash, Akca, Abdullah H, Fraga Alvarez, Daniela V, Chang, Baoqi, Ma, Siwei, Pang, Xueqi, Wang, Emily, van Hinsberg, Quinten, Esposito, Daniel V, Kawashima, Shiho

“…This study describes and demonstrates key steps in a carbon-negative process for manufacturing cement from widely abundant seawater-derived magnesium (Mg)…”
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Analysis of Product Automatic Pricing and Replenishment Decision Based on ARIMA Model and Genetic Algorithm by Chen, Chao, Chang, Baoqi, Zheng, Zhiguo

“…Supermarkets rely heavily on the sales performance of vegetables for operational decisions. Understanding the patterns in vegetable sales can significantly…”
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Application of stress-pore pressure coupling theory for porous media to the Xinfengjiang reservoir earthquakes by Shen, Li-Ying, Chang, Bao-Qi

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Preparation and Characterization of Chitosan/β-GP Membranes for Guided Bone Regeneration by Cui, Jun, Jiang, Baoqi, Liang, Jie, Sun, Chang, Lan, Jing, Sun, Xiaoning, Huang, Haiyun, Sun, Kangning, Xu, Xin

“…Bioabsorbable chitosan/β-glycerol phosphate （CS/β-GP） composite membranes were fabricated through a relatively PH neutral and mild sol-gel process for guided…”
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