Results 51 to 60 of about 24,069 (204)

Insight into nitriding behavior and corrosion mechanism in 17-4PH steel: The influence of nanocrystalline structure

Journal of Materials Research and Technology, 2023
In this study, the influence of nanocrystalline structure on the plasma nitriding (PN) behavior of 17-4PH steel and corresponding corrosion mechanisms under different treatments were systematically investigated.
Dan Liu, Daoxin Liu, Yinghao Wu, Jing Yang, Xingchen Xu, Mengyao Li, Shaolong Li, Amin Ma, Yilong Liang   +8 more
doaj   +1 more source

Evaluation of laser range-finder mapping for agricultural spraying vehicles [PDF]

, 2013
In this paper, we present a new application of laser range-finder sensing to agricultural spraying vehicles. The current generation of spraying vehicles use automatic controllers to maintain the height of the sprayer booms above the crop. However, these
A Nüchter, AM Endalew, F Rovira-Más, F-A Moreno, H Jeon, J Anthonis, J Wei, M Magnusson, P Walklate, S Pedersen, S Thrun   +10 more
core   +1 more source

Bio-inspired functional surface fabricated by electrically assisted micro-embossing of AZ31 magnesium alloy [PDF]

, 2020
Developing bio-inspired functional surfaces on engineering metals is of extreme importance, involving different industrial sectors, like automotive or aeronautics.
Cao, Jian, Guo, Bin, Li, Jianwei, Liu, Chen, Sánchez Egea, Antonio José, Wang, Chunju, Wang, Xinwei, Wang, Zhenlong, Xu, Jie, Zhang, Tiejun   +9 more
core   +2 more sources

Surface integrity and fatigue properties of Ti–6Al–4V alloy under the ultrasonic surface rolling process excited strain rate effect

Journal of Materials Research and Technology
Ultrasonic surface rolling process is a novel surface enhancement technique that significantly influences the surface integrity and fatigue performance of titanium alloys.
Xuming Zha, Hao Qin, Zhi Yuan, Linqing Xi, Xiao Chen, Yi Li, Qingshan Jiang, Zhilong Xu, Feng Jiang   +8 more
doaj   +1 more source

Experimental and Simulation Study on the Effect of Reduction Pretreatment on the Void Healing of Heavy Plate

Metals, 2022
In addition to eliminating voids in a billet, the reduction pretreatment (RP) process can refine the austenite structure after reheating and can deform the residual voids, which affect the void healing behavior during insulation before rolling, and then ...
Zhen Ning, Xue Li, Hongqiang Liu, Qingwu Cai, Wei Yu   +4 more
doaj   +1 more source

Experimental characterization of wheel-rail contact patch evolution [PDF]

, 2006
The contact area and pressure distribution in a wheel/rail contact is essential information required in any fatigue or wear calculations to determine design life, re-grinding, and maintenance schedules. As wheel or rail wear or surface damage takes place
Björklund, S., Dwyer-Joyce, R.S., Lewis, R., Marshall, M.B., Olofsson, U.   +4 more
core   +1 more source

The hot rolling deformation performance of as-cast AZ80 magnesium alloy after ultrasonic processing

Journal of Materials Research and Technology, 2022
Aiming at the poor formability of Mg alloys, this work investigated the hot rolling deformation performance and behavior of as-cast AZ80 alloy with ultrasonic processing (UP) using both experiment and finite element method (FEM) simulation.
Xingrui Chen, Xiaoqiang Li, Fangkun Ning, Qiyu Liao, Qichi Le, Xiong Zhou, Fuxiao Yu   +6 more
doaj   +1 more source

High Strength Nanocrystallized Multilayered Structure Obtained by Smat and Co-rolling [PDF]

, 2008
International audienceIn the present study, a method is presented combining surface nanocrystalline treatment (SMAT) and the co-rolling process. The aim of this duplex treatment is the development of a 316L stainless steel semi-massive multilayered bulk ...
Lu, Jian, Olier, Patrick, Retraint, Delphine, Roos, Arjen, Waltz, Laurent   +4 more
core   +2 more sources

Theoretical and numerical investigation of micro-textures fabrication by ultrasonic surface rolling process

The International Journal of Advanced Manufacturing Technology, 2022
Abstract Surface texturing is a potential approach to achieving excellent surface performance. To realize high precision and efficiency in micro-texturing fabrication, a surface texturing method utilizing an ultrasonic surface rolling process is proposed.
Ying Meng, Jianxin Deng, Ran Wang, Qinghao Sun, Zhihui Zhang   +4 more
openaire   +1 more source

Ultrasonic Surface Strengthening of Train Axle Material 30CrMoA [PDF]

, 2014
As hardness of the work-surface working in the train axle has a direct relationship to train axle's life-time, a surface strengthening technology is necessary to strengthen the hardness of the work-surface. In this study, ultrasonic surface strengthening
Qinjian, Zhang, Jianguo, Cao, Huiying, Wang   +2 more
core   +1 more source