Improving the process of layerwise laser welding of metal parts by controlling residual stresses
Background. Layerwise laser welding of metal parts allows you to get a weld in layers. As a result of the heating of the surface, thermal stresses sharply increase, caused by a non-stationary temperature field.
T.N. Ivanova, A.Yu. Muyzemnek
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The flat cemetery near the village of Chornyanka, Kakhovka district, Kherson region, is one of the largest row grave fields of the Late Bronze Age archaeological culture of Bilozerka in the northern Black Sea region.
Tetiana Hoshko
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Technology of manufacturing copper and bronze tools of the Petrovka Culture of the Southern Trans-Urals and Middle Tobol region [PDF]
The article presents the results of metallographic analysis of the Petrovka Culture tools from the southern Trans-Urals and Middle Tobol River region of the 19th–18th centuries BC (47 items).
Degtyareva A.D.
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Weaponry of the upper Taz River Selkups according to metallographic studies (based on materials from the Kikki-Akki burial ground) [PDF]
The paper presents the analysis of the weaponry items (108 arrowheads, 2 spearheads, and 2 glaive heads) recovered from the 17th–19th cc. burial ground of Kikki-Akki (Yamalo-Nenets Autonomous Okrug, Taz River) of the Upper Taz Selkups, aiming at the ...
Zinyakov N.M., Poshekhonova O.E.
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The article describes the conducted research of the product “round flat‑link chain”, with the rupture of three links after heat treatment and mechanical tests at the consumer.
I. A. Kovaleva +2 more
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A Study of Defect Detection Techniques for Metallographic Images
Metallography is the study of the structure of metals and alloys. Metallographic analysis can be regarded as a detection tool to assist in identifying a metal or alloy, to evaluate whether an alloy is processed correctly, to inspect multiple phases ...
Wei-Hung Wu, Jen-Chun Lee, Yi-Ming Wang
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Failure Analysis and Protection of Oxygen Corrosion of Reheater Tube in a Power plant [PDF]
The failure analysis of reheater tubes were analyzed by means of alloy composition analysis, metallographic structure analysis, mechanical properties analysis and oxide composition analysis.
Yang Chao +3 more
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Metallographic Procedures and Analysis – A review
The purpose of this research is to give readers general insight in what metallography generally is, what are the metallographic preparation processes, and how to analyse the prepared specimens.
Enes Akca, Erwin Trgo
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Metallographic study of non-ferrous metal products from the Maray 1 site of the Baitovo Culture in the Lower Ishim River region [PDF]
The article examines non-ferrous metal products from the Baitovo Culture materials of the Early Iron Age hillfort of Marai 1. This settlement is located in the forest-steppe of the Ishim River region of Western Siberia.
Tigeeva E.V.
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Metal of the Abashevo Culture from the Middle Don
The results of a morphological and typological study, spectral, atomic emission spectrometric and metallographic analyzes of 20 items from the burial grounds and the settlement of the Abashevo culture from the territory of Voronezh Oblast are presented ...
Anna D. Degtyareva, Sergey V. Kuzminykh
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