Results 51 to 60 of about 4,904 (263)

Research Progress in Microalloyed Case-Hardened Steels for Gear

Teshugang, 2008
It  is  available  to  fine  grain  size  of case-hardened  steel  for  gear, increase  cutting  properties  and  fatigue property  of steel  by  adding  microalloying  elements  such  as  Al,Nb,Ti,N  and  B, while  to  shorten  carburizing  time ...
马莉, 王毛球, 董瀚
doaj  

The Arrhenius constitutive model of steel 42CrMo for gear

Metalurgija, 2020
Thermal compression test temperature ranged from 800 to 1 200 °C, the strain rate ranged from 0,01 to 10 s-1, and the deformation degree was 60 % of engineering strain, the deformation behavior of 42CrMo gear steel was studied.
H. L. Duan, X. M. Huang, Y. G. Li, H. C. Ji   +3 more
doaj  

Seismic analysis and design of tunnels within fault ground: A review

Deep Underground Science and Engineering, EarlyView.
The research methods of seismic response of tunnels within fault ground, including field investigations, analytical solutions, physical experiments, and numerical simulations, and seismic countermeasures are discussed. The present study examines the shortcomings and limitations of the current research and design, and puts forward proposals for future ...
Xingda Wang, Yujing Jiang, Xuepeng Zhang, Yuyong Jiao, Ningbo Li, Xiao Wang, Bo Li   +6 more
wiley   +1 more source

From Lived Experience to Digital Advocacy: Eating Disorder Recovery Content Creation on Social Media

European Eating Disorders Review, EarlyView.
ABSTRACT Objective Despite the importance of incorporating individuals with lived experience in the collaborative development and delivery of eating disorder (ED) services, a paucity of research has addressed the role of content creators with lived experience within the context of social media in contributing to help‐seeking and recovery spaces.
Albano Gaia, Mariarita Semola, Orsola Maneri, Vittoria Franchina, Salvatore Gullo, Rachel Rodgers, Gianluca Lo Coco   +6 more
wiley   +1 more source

Analysis of the Engagement Characteristic Between Plastic Worm and Steel Helical Gear and its Experimental Research

Jixie chuandong, 2017
The 3 D model of worm and helical gear is established based on UG by the equation of tooth surface and the data point. On the basis of Hyper Mesh,the pretreatment of the finite element model including mesh generation,applying constrains,setting contact ...
Li Chuanshan, Liang Dong, Chen Bingkui
doaj  

Study of the Effect of Regulating Alloying Elements and Optimizing Heat Treatment Processes on the Microstructure Properties of 20MnCr5 Steel Gears

Lubricants
To optimize heat treatment of gears for high-end equipment and enhance their fatigue resistance, this paper studied the effects of Al, Mn and Cr content on surface microstructure, i.e., martensite, retained austenite, grain size, hardened layer depth and
Li Luo, Yong Chen, Fucheng Zhao, Weifeng Hua, Xu Song, Zhengyun Xu, Zhicheng Jia   +6 more
doaj   +1 more source

Triboelectric nanogenerators for vehicle intelligent cockpits

FlexMat, EarlyView.
Converting mechanical stimuli from drivers and vehicle motion into electrical signals, triboelectric nanogenerators provide promising interfaces toward passive, flexible, distributed and intelligent sensing for next‐generation automotive cockpits to support three core functional dimensions: driver state monitoring, vehicle state monitoring, and human ...
Haiqiu Tan, Shiquan Lü, Xiangwei Meng, Huiying Zhang, Wenxing Zhang, Dongxian Sun, Xiao Lu, Lei Wang, Haodong Zhang, William W. Yu   +9 more
wiley   +1 more source

Increasing Durability of Driving Axle Elements of MAZ Automobiles by Means of Various Thermal and Chemical-Thermal Treatment

Механика машин, механизмов и материалов, 2010
The paper analyzes conditions and main reasons for destruction of main gear and wheel reduction gear of driving axles in MAZ automobile. A mathematical model of stress of bevel drive teeth has been developed; the reasonability of improving their thermal ...
A.I. Mikhlyuk , S.E. Belski, M.N. Pistchov   +2 more
doaj  

A Study on Friction Loss of Spur Gears. In the Case of Gear Material Combination of Bronze/Steel and Cast Iron/Steel.

TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series C, 1991
Carbon steel has been used as spur gear material. It is very important to find a way of reducing the friction loss of spur gears, and there are many methods of achieving this. Here we chose the method of selecting material combinations in a wide scope, i.
YOSHIZAKI, Masatoshi, NARUSE, Chotaro, NEMOTO, Ryozo, HAIZUKA, Shoji   +3 more
openaire   +2 more sources

A Model to Facilitate Resilience Among Diagnostic Radiography Students

Journal of Medical Radiation Sciences, EarlyView.
The model provides a framework for fostering resilience among diagnostic radiography students by strengthening self‐efficacy and establishing social connections. ABSTRACT Introduction A significant increase in the demand for radiography examinations and the corresponding rise in the workload of radiographers has been noted.
Heidi Thomas, Kathleen Naidoo, Penelope Engel‐Hills   +2 more
wiley   +1 more source