Results 21 to 30 of about 198,686 (307)

The cathodic electrolytic plasma hardening of the 20Cr2Ni4A chromium-nickel steel

open access: yesJournal of Materials Research and Technology, 2020
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
doaj   +1 more source

Laser transformation hardening effect on hardening zone features and surface hardness of tool steel AISI D2

open access: yesMechanics and Advanced Technologies, 2017
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
doaj   +1 more source

Effect of electrolyte-plasma surface hardening on structure wheel steel 2

open access: yesҚарағанды университетінің хабаршысы. Физика сериясы, 2020
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
doaj   +1 more source

Boriding of Laser-Clad Inconel 718 Coatings for Enhanced Wear Resistance

open access: yesApplied Sciences, 2021
Nickel-based superalloys are particularly suitable for applications under corrosive conditions. Economic advantages can be achieved by limiting the use of materials to the surface region.
Thomas Lindner   +6 more
doaj   +1 more source

New Boron-Containing Materials for Surface Hardening [PDF]

open access: yesMATEC Web of Conferences, 2019
The authors propose the range of new materials for restoring and strengthening coatings deposition, which have the next advantages: they are made of dispersive metal wastes (allows solve the problem of waste recycling), inexpensive, doesn’t require ...
Panteleyenko Fedor   +3 more
doaj   +1 more source

Correlations between Thermal Loads during Grind-Hardening and Material Modifications Using the Concept of Process Signatures

open access: yesJournal of Manufacturing and Materials Processing, 2018
During the process of grind-hardening, the dissipated heat from the process is utilized for a surface layer hardening of machined components made of steel.
Benjamin Kolkwitz   +3 more
doaj   +1 more source

Effect of electrochemical polishing on surface quality of nickel-titanium shape memory alloy after milling

open access: yesJournal of Materials Research and Technology, 2020
Nickel-titanium shape memory alloys have been widely used in medical fields due to their unique shape memory effect, superelasticity, corrosion resistance and biocompatibility.
Guijie Wang   +4 more
doaj   +1 more source

Modification of the Surface of 40 Kh Steel by Electrolytic Plasma Hardening

open access: yesMetals, 2022
The high-strength, medium-carbon alloy construction steel 40 Kh is commonly used in the manufacture of tools and machine parts. This paper experimentally investigates the effect of electrolytic plasma thermocyclic hardening on the surface hardening and ...
Zhuldyz Sagdoldina   +6 more
doaj   +1 more source

Feasibility Studies on Underwater Laser Surface Hardening Process

open access: yesAdvances in Materials Science and Engineering, 2015
Laser surface hardening process is a very promising hardening method for ferrous and nonferrous alloys where transformations occur during cooling after laser melting in the solid state.
Biao Jin   +3 more
doaj   +1 more source

Electron Beam Surface Hardening

open access: yesBiuletyn Instytutu Spawalnictwa, 2022
The surface hardening of steel components makes it possible to achieve high abrasive wear resistance without the necessity of hardening the entire cross-section of a given element. As a result, lower stress are introduced and the cost of the process can be reduced.
Piotr Śliwiński   +3 more
openaire   +1 more source

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