Results 21 to 30 of about 22,923,337 (261)

Technological research into the metal attributes of the Northern Selkup shaman costume of the XVII–XVIII centuries [PDF]

open access: yesВестник археологии, антропологии и этнографии, 2020
To reconstruct the technological methods and technical achievements of Northern Selkup blacksmiths, the components of the Northern Selkup shaman costume, which is composed of ferrous metal, were studied using metallographic analysis methods.
Zinyakov N.M., Poshekhonova O.E.
doaj   +1 more source

Experimental studies of heat treatment influence on the welded connections properties in working mechanisms of road building

open access: yesВестник СибАДИ, 2020
Introduction. The experimental studies of the heat treatment effect on the properties of welded joints in working mechanisms of road-building machines are carried out in the work.
A. Р. Scherbakov
doaj   +1 more source

Problems of application of standards in evaluation of microstructure of metals and alloys

open access: yesВесці Нацыянальнай акадэміі навук Беларусі: Серыя фізіка-тэхнічных навук, 2021
The purpose of this work is to consider the problems of applying some standards containing reference scales of structures: 1763-68, 1778-70, 5640-68, 9391-80, 10 243-75, 13938.13-93, 22 838-77, 3443-87 (materials: oxygenated copper, pipe and structural ...
A. G. Anisovich
doaj   +1 more source

Formation of Tribotechnical Al-Cu Coatings with Functional Additives by Centrifugal Induction Surfacing

open access: yesМеханика машин, механизмов и материалов, 2022
The article presents the results of metallographic and tribotechnical studies of composite coatings based on aluminum with a high copper content formed on the inner surface of the workpiece by centrifugal induction surfacing.
Aleksandr I. Komarov   +3 more
doaj   +1 more source

STRUCTURAL CHANGES IN STRUCTURAL STEELS DURING THERMAL CYCLING

open access: yesArchitecture and Engineering, 2021
Introduction: During experimental studies of structural steels responsible for the reliability of metal structures used, for example, in hoisting and transporting machinery, we established a correlation between the magnetic parameter Hp and ...
Valeriy Gordienko   +3 more
doaj   +1 more source

The potential of using scanning electron microscopy with an energy dispersive analyzer for the study of the Bronze Age metal: on the problem statement [PDF]

open access: yesВестник археологии, антропологии и этнографии, 2022
The article is aimed at approbation of the scanning electron microscopy technique to analyse the inclusions and phase components of metallographic specimens using the results of spectral, XRF, atomic emission spectrometric, and metallographic analyses ...
Degtyareva A.D.   +2 more
doaj   +1 more source

Technology for the production of sickles and knives of the Petrovka Culture of the Southern Trans-Urals (by the results of metallographic analysis) [PDF]

open access: yesВестник археологии, антропологии и этнографии, 2023
The data of the metallographic study of sickles and knives (37 pcs) of the Petrovka Culture from the Southern Trans-Urals and the Middle Tobol River basin of the 19th–18th centuries BC are reported.
Degtyareva A.D.
doaj   +1 more source

The state of the ironworking industry in the cities of Western Siberia in the 17th–18th centuries (according to metallographic data) [PDF]

open access: yesВестник археологии, антропологии и этнографии
The article examines iron-working production in the 17th–18th centuries in four cities of Western Siberia, each of which held a different legal status. Tobolsk functioned as the main city and administrative centre of Siberia, Tomsk was a regional centre,
Zinyakov N.M.
doaj   +1 more source

Metallographic Techniques and Analysis of Nitinol Alloys [PDF]

open access: yesMicroscopy and Microanalysis, 2013
Extended abstract of a paper presented at Microscopy and Microanalysis 2013 in Indianapolis, Indiana, USA, August 4 – August 8, 2013.
S. Lieberman, B. James
openaire   +1 more source

Improving the process of layerwise laser welding of metal parts by controlling residual stresses

open access: yesИзвестия высших учебных заведений. Поволжский регион:Технические науки, 2022
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
doaj   +1 more source

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