Results 1 to 10 of about 905,211 (126)

Microstructure Characteristics and Wear Performance of a Carburizing Bainitic Ferrite + Martensite Si/Al-Rich Gear Steel

open access: yesMetals, 2022
In this paper, a new low-carbon alloy gear steel is designed via Si/Al alloying. The carburizing and austempering, at a temperature slightly higher than the martensitic transformation point (Ms) of the surface and much lower than the Ms of the core, for ...
Yanhui Wang   +5 more
doaj   +3 more sources

Effect of Rare Earth on Inclusions and Fatigue Properties of 20CrMnTi Gear Steel [PDF]

open access: yesTeshugang
To deeply investigate the effect of rare earth (La/Ce) on inclusions and fatigue properties of 20CrMnTi gear steel, the inclusions in 20CrMnTi and 20CrMnTi-RE gear steel treated with 0.002 7% rare earth were analyzed and characterized by various ...
Wang Li, Liu Chengbao, Li Haoqiu, Wang Yi, Sun Zonghui, Liu Chunwei, Yang Chaoyun, Fu Zhihao
doaj   +5 more sources

Study on Inclusions Distribution and Cyclic Fatigue Performance of Gear Steel 18CrNiMo7-6 Forging

open access: yesMetals, 2020
The three-dimensional morphologies of inclusions in gear steel 18CrNiMo7-6 forging were investigated by a non-destructive extraction method, and the cleanliness of radial positions was analyzed, mainly including the variation of total oxygen content and ...
Min Wang   +4 more
doaj   +3 more sources

Investigation on Dynamic Characteristic of Geared Rotor System Composed of Ultrahigh Molecular Polyethylene Gear and Metal Gear [PDF]

open access: yesE3S Web of Conferences, 2021
A geared rotor system model consisting of UPE gears and steel gears for medium speed, medium load and long servo time is proposed. The solid models of steel-steel, steel-UPE and UPE-UPE gear systems were established.
Pang Daqian   +4 more
doaj   +1 more source

Material iterative development of aero carburizing gear steels

open access: yesJournal of Aeronautical Materials, 2023
In this paper, the intergenerational development, component characteristics, and strengthening mechanism of carburized gear materials for aerospace power transmission systems are reviewed.
ZHENG Yi   +3 more
doaj   +1 more source

Effect of Stress Ratio and Evaluation of Crack Sizes on Very-High-Cycle-Fatigue Crack Propagation Life Prediction of Carburized Cr-Ni Steel

open access: yesMetals, 2022
Carburized Cr-Ni steel is widely used in the manufacture of components in many fields due to excellent performance, of which the service life has been a concern.
Yupeng Guo   +4 more
doaj   +1 more source

Effect of total oxygen on the nonmetallic inclusion of gear steel

open access: yes工程科学学报, 2021
It is an important symbol of the metallurgical quality level of special steel for inclusion controlling, which can improve the service performance of special steel to a greater extent.
Xiao-fei HE   +3 more
doaj   +1 more source

Analytical assessment of the sliding friction coefficient influence on durability, wear and contact pressure in spur gears [PDF]

open access: yesFME Transactions, 2021
The research of influence of sliding friction coefficient on durability is carried out for gear train containing steel wheels and metal-polymer gear trains containing polyamide gears reinforced with carbon and glass dispersion fibers.
Chernets Myron   +3 more
doaj   +1 more source

Numerical simulation of a magnetic induction coil for heat treatment of an AISI 4340 gear

open access: yesEuropean Mechanical Science, 2022
In manufacturing industry, heat treatment is a fundamental requirement for improving the material quality of readily manufactured products. Induction heating technology is repeatable and easily controlled by the advantage of having an electronical ...
Önder Sönmez   +3 more
doaj   +1 more source

Present Status and Prospect of Ultra High Strength Steel Applied to Aircraft Landing Gear

open access: yesJournal of Aeronautical Materials, 2017
The paper presents the domestic and overseas current status of the steel applied to aircraft landing gear in combination of the design concept and requirements for aircraft landing gear.
ZHAO Bo, XU Guangxing, HE Fei, YANG Xu
doaj   +1 more source

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