Influence of Microalloying on the Surface Layer of a Carbonitrided Steel 18CrNiMo7-6
To further enhance the performance of case hardening steels, the surface layer is thermochemically treated. By carbonitriding, a thermochemical process by which carbon as well as nitrogen are brought into the surface layer, the tooth flank load capacity of case hardening steel gears can be dramatically improved in comparison to those elicited by ...
Neipp, Clemens Wolfgang
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Effect of Normalized Cooling Rate on Structure and Hardness of Gear Steel 18CrNiMo7-6
Tested steel 18CrNiMo7-6 (/%: 0. 17C, 0. 59Mn, 0. 24Si, 1.56Ni, 1.71Cr, 0. 28Mo) is a case-hardening steel for gear, it is required that the structure of normalized steel is ferrite + pearlite and has lower HB hardness value.
刘金鑫 +3 more
doaj +1 more source
Recrystallization Mechanism and Processing Map of 18CrNiMo7-6 Alloy Steel during Hot Deformation
In this study, isothermal single-pass forming doformation of forged 18CrNiMo7-6 alloy steel was carried out by Gleeble-3500 thermal simulation testing machine.
Yikui Xie +5 more
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Influence of Sulfur Content on Inclusion and Fatigue Properties of 18CrNiMo7-6 Gear Steels [PDF]
In this paper, two kinds of 18CrNiMo7-6 gear steels with sulfur content of 0.002% (low sulfur content) and 0.022% (high sulfur content) were studied.
Yu Wenchao, Xie Dirong, Shi Jie, Wang Maoqiu
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ObjectiveTo address the issues of uneven residual compressive stress distribution and high surface roughness in gears after shot peening, this study investigates the effect of double shot peening on the surface integrity of 18CrNiMo7-6 carburized gear ...
WANG Zhen, SUN Hao, WANG Guohao
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Abrasive Wear, Scuffing and Rolling Contact Fatigue of DLC-Coated 18CrNiMo7-6 Steel Lubricated by a Pure and Contaminated Gear Oil. [PDF]
Due to extreme working conditions of mining conveyors, which contaminate gear oil with solid particles, their transmissions are exposed to intensive abrasion, scuffing, and even rolling contact fatigue (pitting). These effects shorten gear life.
Tuszyński W +6 more
europepmc +2 more sources
Indentation Characterization Method for Hardness of Surface-modified Layer [PDF]
In order to measure the hardness parameters of the surface-modified layer(SML)of key components after surface modification,in this paper a method to characterize the hardness of the SML was proposed.According to the relationship between hardness and ...
Xu Guangtao +3 more
doaj +1 more source
Calibration of emissivity value of 18CrNiMo7-6 steel and study on cylindrical grinding temperature
To study the variation rule of workpiece temperature concerning machining parameters in the cylindrical transverse grinding process of gear steel, 18CrNiMo7-6 gear steel was selected as the workpiece material, and a CBN grinding wheel was used as the ...
Dong WANG +4 more
doaj +2 more sources
Abstract This study compares the dynamic behaviour of a conventional and a compact gearbox for the DTU 10 MW wind turbine supported on a monopile offshore structure. The conventional gearbox configuration is composed of two planetary epicyclic stages and one parallel stage, while the compact gearbox configuration consists of a fixed planetary stage and
Shuaishuai Wang +3 more
wiley +1 more source
Effect of dressing with form grinding wheel on grinding surface integrity of 18CrNiMo7-6 steel
In order to explore the influence of dressing process parameters, such as dressing depth ad, axial feed speed fd and dressing speed ratio qd, on the grinding surface integrity of 18CrNiMo7-6 gear steel, orthogonal experiments were conducted for shaping ...
Wei GAO +4 more
doaj +1 more source

