Results 151 to 160 of about 25,453 (205)

Experimental investigation on ultrasonic surface rolling of Inconel 690TT

Materials and Manufacturing Processes, 2021
Inconel 690TT has an excellent high-temperature corrosion resistance and has been widely applied in steam generators of pressurized water reactor (PWR) nuclear power plants.
Junbiao Liu, Xuehui Zhang, Ziyi Cui, Jiatian Yu, Jiang Liu, Yangjun Zou, Tongxiang Liang   +6 more
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Investigation on Dynamics of Ultrasonic Surface Rolling Process

Advanced Materials Research, 2013
Ultrasonic surface rolling processing (USRP) is a surface nanocrystallization method developed recently, which can bring metal surface with superior properties. In order to obtain the motion state of the processing tip during USRP, a 3D dynamic finite element model was adopted to simulate the response of processing tip.
Xiao Hui Zhao, Yu Liu
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Finite element modeling of ultrasonic surface rolling process

Journal of Materials Processing Technology, 2011
Abstract Ultrasonic surface rolling (USRP) is a newly developed process in which ultrasonic vibration and static force are applied on work-piece surface through the USRP operator to generate a nanostructured surface layer with mechanical behaviors highly improved.
Yu Liu, Lijun Wang, Dongpo Wang
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Study on Ultrasonic Surface Rolling Process Using FEM Analysis

Advanced Materials Research, 2011
Ultrasonic surface rolling processing (USRP) is a surface nanocrystallization method developed recently, which can bring metal surface with superior properties. In order to obtain the material response during USRP, a 3D dynamic finite element model was adopted to study the effects of parameters.
Yu Liu, Li Jun Wang, Dong Po Wang
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Microstructural evolution mechanisms in rolled 17-4PH steel processed by ultrasonic surface rolling process

Materials Science and Engineering: A, 2020
Abstract The surface of rolled 17-4 precipitation-hardening steel was subjected to the ultrasonic surface rolling process technique at room temperature. Microstructural evolution mechanisms and its intrinsic relation with processing history, namely formation process and heat treatment, were systematically analyzed via high-resolution transmission ...
Dan Liu, Daoxin Liu, Xiaohua Zhang, Amin Ma, Chengsong Liu   +4 more
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Rolling contact fatigue properties of ultrasonic surface rolling treated 25CrNi2MoV steel under different lubricant viscosities

International Journal of Fatigue, 2021
Abstract Ultrasonic surface rolling (USR) treatment was subjected to the 25CrNi2MoV shaft steel surface. The rolling contact fatigue (RCF) properties of treated samples under different lubricant viscosities were investigated. Results showed that the USR treatment significantly refined the surface grains, improved the surface hardness and generated a ...
Shengguan Qu, Xiongfeng Hu, Feng Lu, Fuqiang Lai, Haipeng Liu, Yalong Zhang, Xiaoqiang Li   +6 more
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Effects of Ultrasonic Surface Rolling Parameters on Surface Integrity of TC17 Alloy

Journal of Materials Engineering and Performance, 2019
The main purpose of this paper was to investigate the effects of different static forces and feed speeds of ultrasonic surface rolling (USR) on the surface integrity of TC17 alloy. Surface roughness, in-depth residual stress, in-depth microhardness, and cross-sectional microstructure of the processed materials were measured and analyzed to get a ...
Liang Tan, Dinghua Zhang, Changfeng Yao, Junxue Ren   +3 more
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Coordinated bilateral ultrasonic surface rolling process on aero-engine blades

The International Journal of Advanced Manufacturing Technology, 2019
Security and performance of aircraft engines are extremely affected by the blades’ surface quality. Ultrasonic surface rolling process (USRP) can improve material surface properties effectively and increase the alloys’ service life. However, applying USRP onto blades remains a challenge due to the free-form surface with thin-walled leading/trailing ...
Kaiming Zhang, Yixin Liu, Shuang Liu, Xiancheng Zhang, Bo Qian, Chengcheng Zhang, Shantung Tu   +6 more
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Multi-layered gradient structure manufactured by single-roll angular-rolling and ultrasonic nanocrystalline surface modification

Scripta Materialia, 2020
Abstract A new type of gradient structure is fabricated by the sequential processing of two advanced severe plastic deformation methods, single-roll angular-rolling and ultrasonic nanocrystalline surface modification, which refine microstructures mainly on the core and surface of a metallic sheet, respectively.
H.H. Lee, H.K. Park, J. Jung, A. Amanov, H.S. Kim   +4 more
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