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Recent development of thermally assisted surface hardening techniques: A review
Thermally assisted surface hardening techniques have led to a surge in research efforts and industrial applications, with emphasis on strengthening of metallic materials with high work hardening, high strength and/or poor deformability.
Jun Liu, Chang Ye, Yalin Dong
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Hardening Efficiency and Microstructural Changes during Laser Surface Hardening of 50CrMo4 Steel
Laser surface hardening is an attractive heat treatment solution used to selectively enhance the surface properties of components by phase transformation.
Niroj Maharjan, Naien Wu, Wei Zhou
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Effective combined surface hardening processes of structural steels using ultrasound [PDF]
The effectiveness of hardening of the surface layer of machine parts is evaluated by the operational properties of the surface layer and depends on many conditions that characterize the specific features of the technological process in which this method ...
Chudina Olga +3 more
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A research on the mechanism and model of surface micro-damage in grinding hardening
Grinding hardening can obtain hardening effect besides fine machining effect on the surface of workpiece. A certain degree of surface micro-damage will be formed during grinding hardening process which mainly contains micro-crack, melting coating ...
Xiaoliang Shi +2 more
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Surface morphology and surface roughness are very important properties used to assess the quality of grind-hardening surfaces. In this study, grind-hardening tests for 42CrMo steel were designed using the response surface methodology to reveal the ...
Chunyan Wang +2 more
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New technologies of laser processing
Subject and purpose. Currently, gas, solid-state, and fiber lasers are used to process materials in the aviation industry. For the thermal treatment of steels, gas CO2 lasers with a capacity of more than 1 kW used, which are reliable in operation but ...
Ольга Валентинівна Афанасьєва +2 more
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Effect of the yield surface evolution on the earing defect prediction
Although the prediction of earing in the cup drawing process is considerably related to the yield surface shape, the yield surface evolution is also essential for the final ear form.
Toros A. Akşen, Mehmet Firat
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The relationship of technological input regimes of the laser transformation hardening on change the hardening depth, hardening width, and hardening angle, as well as surface hardness of the tool steel AISI D2 using multifactor experiment with elements of
D. Lesyk +5 more
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The cathodic electrolytic plasma hardening of the 20Cr2Ni4A chromium-nickel steel
In order to obtain the modified surface structure of the 20Cr2Ni4A steel plasma electrolytic hardening (PEH) method was used. The surface hardening process was conducted in the aqueous electrolyte solution of 20% sodium carbonate and 20% urea. The sample
Bauyrzhan K. Rakhadilov +5 more
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Effect of electrolyte-plasma surface hardening on structure wheel steel 2
This paper examines the influence of electrolyte-plasma surface hardening on the structure and microhardness of wheel steel mark 2. In the work electrolyte-plasma surface hardening was carried out in an electrolyte made from an aqueous solution 10 ...
Б.К. Рахадилов +4 more
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