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High Temperature Material Processes: An International Quarterly of High-Technology Plasma Processes

Publicou 4 edições por ano

ISSN Imprimir: 1093-3611

ISSN On-line: 1940-4360

The Impact Factor measures the average number of citations received in a particular year by papers published in the journal during the two preceding years. 2017 Journal Citation Reports (Clarivate Analytics, 2018) IF: 0.4 The Immediacy Index is the average number of times an article is cited in the year it is published. The journal Immediacy Index indicates how quickly articles in a journal are cited. Immediacy Index: 0.1 The Eigenfactor score, developed by Jevin West and Carl Bergstrom at the University of Washington, is a rating of the total importance of a scientific journal. Journals are rated according to the number of incoming citations, with citations from highly ranked journals weighted to make a larger contribution to the eigenfactor than those from poorly ranked journals. Eigenfactor: 0.00005 The Journal Citation Indicator (JCI) is a single measurement of the field-normalized citation impact of journals in the Web of Science Core Collection across disciplines. The key words here are that the metric is normalized and cross-disciplinary. JCI: 0.07 SJR: 0.198 SNIP: 0.48 CiteScore™:: 1.1 H-Index: 20

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MECHANICAL PROPERTIES OF STEEL-COPPER POLYMETAL MANUFACTURED BY THE WIRE-FEED ELECTRON-BEAM ADDITIVE TECHNOLOGY

Volume 24, Edição 2, 2020, pp. 91-98
DOI: 10.1615/HighTempMatProc.2020033790
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RESUMO

In this research, the mechanical properties of additively manufactured steel, copper, and steel-copper polymetallic parts are investigated. With the use of the wire-feed electron-beam additive manufacturing parts are formed without defects like pores and cracks, which demonstrate full deposition of layers and high wettability between them. This exerts a favorable influence on the value of mechanical properties as the quality of polymetals depends directly on the quality of the interface between the materials. An analysis of mechanical and micromechanical properties has been carried out which showed that the values of the characteristics of additive steel and copper samples lie within the range of values for stainless steel only in the state after rolling, and for copper after quenching. Moreover, micromechanical tests, such as microhardness measurements, exceed the original samples by ≈ 1.3 times. The results of tensile tests of the steel-copper polymetallic sample indicate that the deformation passes through the copper phase, with a small hardening effect from the introduction of austenitic steel particles. The zone of transition from one material to another does not lose strength. The average values of the conventional yield strength of the interface are σ0.2 = 165 MPa and the average ultimate tensile stress is σ = 254 MPa. The relative elongation is on the average δ = 24%. Intens development of deformation of the steel-copper polymetallic sample is observed in the transition region between the materials, where a neck is further formed and a fracture of the sample occurs. Thus, it is elucidated that the fabrication of articles by the method of wire-feed electron-beam additive manufacturing leads to the hardening of the material, at the cost of repeated heatings of already applied layers. Hence, the method of wire-feed electron-beam additive manufacturing does not exert a negative effect on the mechanical properties of materials in fabrication of polymetals for which the formation of intermetallic phases is not characteristic. As a consequence, wire-feed electron-beam additive manufacturing can produce metallic parts that fulfill the requirements of industrial applications.

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CITADO POR
  1. Konstantinov I. L., Sidel’nikov S. B., Fes’kov E. V., Ivanov E. V., Voroshilov D. S., Mansurov Yu. N., Cost-Effective Technology for Manufacturing Large-Sized Steel-Copper Workpieces for Electrical Purposes, Metallurgist, 66, 1-2, 2022. Crossref

  2. Kibitkin Vladimir, Vorontsov Andrey, Osipovich Kseniya, Shamarin Nikolay, Chumaevskii Andrey, Rubtsov Valery, Moskvichev Evgeny, Savchenko Nickolai, Kolubaev Evgeny, Characterizing the Tensile Behavior of Double Wire-Feed Electron Beam Additive Manufactured “Copper–Steel” Using Digital Image Correlation, Metals, 12, 11, 2022. Crossref

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