The effect of thermal cycling by electron-beam surfacing on structure and wear resistance of deposited M2 steel

Gnyusov, S. F.; Ignatov, A. A.; Durakov, V. G.; Tarasov, S. Yu.

doi:10.1016/j.apsusc.2012.09.030

Cited by 34 publications

(5 citation statements)

References 10 publications

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“…These evenly distributed submicrometer precipitates could reduce the void area between the large‐sized precipitates and limit the selective wear of the metal matrix, which is beneficial to enhance the overall wear performance of the experimental steel. [ 24–26 ]…”

Section: Resultsmentioning

confidence: 99%

Effect of Aging Treatment on Precipitates and Intrinsic Mechanical Behavior of Austenitic Matrix in Ti–V–Nb‐Alloyed High‐Manganese Steel

Shan

Zhang

et al. 2021

steel research int.

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The collaboration of precipitated particles and austenitic matrix plays a significant role in the overall wear performance of high‐manganese (high‐Mn) austenitic steels. The austenitic matrix cannot support micrometer‐sized precipitates because of its poor Young's modulus and hardness before work hardening, and the relative sliding of abrasive particles over the matrix may result in the precipitates detaching from the matrix and deteriorating the overall wear performance of the steels. Herein, a solid‐solution temperature of 1100 °C is applied to balance the size of the austenite grains and precipitates. Different volume fractions of submicrometer V2C are precipitated in the austenitic matrix by aging at different temperatures, and the volume fraction of submicrometer V2C precipitates increases with aging treatment temperature. When the aging temperatures are higher than 450 °C, Young's modulus and nanohardness of the austenitic matrix are significantly enhanced, and the overall Brinell hardness and strength of the specimens are also improved. The improvement in the mechanical properties of the matrix is mostly related to the precipitation strengthening of nanoscale precipitates, and the enhancement in the overall hardness of the steels is mainly related to a sufficient amount of precipitated submicrometer V2C particles in the austenitic matrix.

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Section: Resultsmentioning

confidence: 99%

Effect of Aging Treatment on Precipitates and Intrinsic Mechanical Behavior of Austenitic Matrix in Ti–V–Nb‐Alloyed High‐Manganese Steel

Shan

Zhang

et al. 2021

steel research int.

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“…At the initial stage (stage 1, Figure 2), when the cutting wedge separates the chips from the workpiece, chemically clean surfaces (often called juvenile) are formed on the tool and the workpiece, on which there are no oxides and adsorbed films. "Freshly" formed surfaces are of a very active energetic and electronic state, and they are ready to interact with the components of the external environment (stage 2, Figure 2), which can be characterized by various sorption processes, primarily physical and chemical adsorption [46][47][48]. The energy of the broken molecular bonds of the juvenile surface is such that the external environment molecules can undergo destruction and decay into atoms, ions, and radicals.…”

Section: Self-organizing Materials and Coatingsmentioning

confidence: 99%

“…ready to interact with the components of the external environment (stage 2, Figure 2), which can be characterized by various sorption processes, primarily physical and chemical adsorption [46][47][48]. The energy of the broken molecular bonds of the juvenile surface is such that the external environment molecules can undergo destruction and decay into atoms, ions, and radicals.…”

Section: Self-organizing Materials and Coatingsmentioning

confidence: 99%

“…The primary structural component is tungsten and molybdenum carbide Fe 3 (W, Mo) 3 C for 100% HSS. The available results of the behavior of various grades of HSS when studying at high-temperature frictional contact with lowcarbon steels [46,47,59] show that under thermal action with an increase in the number of test cycles, there is gradual coagulation and shape change of carbides from spherical to drop-shaped and multifaceted, the crystal lattice of the material changes, and a layer consisting of martensite and austenite forms on the surface. At the same time, a decrease in the hardness and strength of the HSS surface layer is observed.…”

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Application of Adaptive Materials and Coatings to Increase Cutting Tool Performance: Efficiency in the Case of Composite Powder High Speed Steel

et al. 2021

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The paper proposes a classification of adaptive materials and coatings for tool purposes, showing the ability to adapt to external heat and power influences, thereby improving tool life. Creating a cutting tool made of composite powder high speed steels containing refractory TiC, TiCN, and Al2O3 compounds for milling 41CrS4 steel demonstrated the effectiveness of the adaptive materials. The tool material characteristics under the external loads’ influence and the surface layer adaptation to the heat–power exposure conditions were shown by the temperature field study using a semiartificial microthermocouple method (the level of fields is reduced by 20%–25% for 80% HSS + 20% TiCN), frictional interaction high-temperature tribometry (the coefficient of friction did not exceed 0.45 for 80% HSS + 20% TiCN at +20 and 600 °C), laboratory performance tests, and spectrometry of the surface layer secondary structures. Spectral analysis shows the highest spectrum intensity of TiC2 after 5 min of running in. After 20 min of milling (V = 82 m/min, f = 0.15 mm/tooth), dicarbide decomposes and transits to thermally stable secondary phase films of good lubricity such as TiO (maximum) and TiN (partially). There was an increase in tool life of up to 2 times (>35 min for 80% HSS + 20% TiCN), and a decrease in the roughness of up to 2.9 times (Ra less than 4.5 µm after 25 min of milling).

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“…On the field of hardfacing technologies, there are conventional methods, including manual metal arc, gas metal arc, gas tungsten arc and submerged arc also existed [14][15][16][17]. On the other hand, there are high-energy density methods, such laser beam [18,19], electron beam [20,21] and plasma arc, which are widely used in surfacing layers manufacturing.…”

Section: Introductionmentioning

confidence: 99%

Development in PTA Surface Modifications – A Review

Łatka

Biskup

2020

Advances in Materials Science

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AbstractSurface modification is one of the most intensively studied issue of technology, which is related to the almost all branches of industry. Since more than 100 years the huge number of methods has been developed and are still in growth. On this field the plasma transferred arc (PTA) hardfacing and surfacing is one of the most frequently used group of the method. The development of this method is going in three ways: (i) modification of the classic technique and the equipment, (ii) development in new materials, especially with the nanometric size and (iii) replacement dangerous materials (e.g. high cobalt alloys). In the current article the state of the art as well as the development directions of the plasma hardfacing issues are described.

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The effect of thermal cycling by electron-beam surfacing on structure and wear resistance of deposited M2 steel

Cited by 34 publications

References 10 publications

Effect of Aging Treatment on Precipitates and Intrinsic Mechanical Behavior of Austenitic Matrix in Ti–V–Nb‐Alloyed High‐Manganese Steel

Effect of Aging Treatment on Precipitates and Intrinsic Mechanical Behavior of Austenitic Matrix in Ti–V–Nb‐Alloyed High‐Manganese Steel

Application of Adaptive Materials and Coatings to Increase Cutting Tool Performance: Efficiency in the Case of Composite Powder High Speed Steel

Development in PTA Surface Modifications – A Review

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