Results 71 to 80 of about 251,804 (349)

Mitigation of Cracks in High‐Performance Nickel‐Based Superalloys in Powder Bed Fusion Laser Beam of Metals Using a Metal Matrix Composite Approach

Advanced Engineering Materials, EarlyView.
High‐performance nickel‐based superalloys are often not processible in additive manufacturing (AM) due to hot cracking. The findings in this manuscript propose an efficient method to mitigate cracking and enhance mechanical properties of these alloys by producing a metal matrix composite, contributing to the material and process perspective of the AM ...
Klaus Büßenschütt, Maël Pontoreau, Christian Haase, Johannes‐Henrich Schleifenbaum   +3 more
wiley   +1 more source

Some Findings of the Study of Pre-Mongolian Strata of Bolgar Fortifi ed Settlement on Digs CLXXII and CLXXVI in 2012

Поволжская археология, 2016
This article summarizes some preliminary fi ndings of studies in pre-Mongolian layers of Bolgar fortifi ed settlement in 2012, conducted on digs CLXXII and CLXXVI.
Baranov Vyacheslav S. , Gubaidullin Airat M.   +1 more
doaj  

Investigation of Iron‐Aluminide‐Like Phase Composition in Complex Concentrated Fe32Cu12Ni11Ti16Al29 Alloy

Advanced Engineering Materials, EarlyView.
This work reveals the phase composition and quantitative morphology analysis of precipitation‐hardened Fe32Cu12Ni11Ti16Al29 complex‐concentrated alloy. The precipitates are shown to have a high coherency. Morphology transition between sphere, cuboidal, and elongated morphology is observed. Finally, the overaging behavior is captured using microhardness.
Rostyslav Nizinkovskyi, Lukas Hanisch, Georg Hasemann, Puspendu Sahu, Manja Krüger   +4 more
wiley   +1 more source

The influence of the material of the ultrasonic vibration concentrator on the amount of the amplitude of mechanical vibrations

Известия высших учебных заведений. Поволжский регион:Технические науки
Background. The purpose of this article is to study the effect of ultrasonic vibrations on the surface of a liquid for subsequent use in electric arc surfacing processes. Materials and methods.
A.A. Kazinskiy, D.V. Babakaev
doaj   +1 more source

Effect of cast steel production metallurgy on the emergence of casting defects

Metalurgija, 2016
The paper documents metallurgical possibilities of high alloy cast steel production in open induction medium frequency furnaces and an electric arc furnace in a gravity die casting foundry.
L. Čamek, P. Lichý, I. Kroupová, J. Duda, J. Beňo, M. Korbáš, F. Radkovský, S. Bliznyukov   +7 more
doaj  

The 85th Anniversary of Academician V.V. Alekseev

Вестник Волгоградского государственного университета. Серия 4. История, регионоведение, международные отношения, 2019
In the article dedicated to the 85th anniversary of Doctor of Historical Sciences, Professor and Academician of the Russian Academy of Sciences Veniamin V.
Elena Yu. Kazakova-Apkarimovа
doaj   +1 more source

Reactive Interaction and Wetting of Fe‐ and Mn‐Containing, Secondary AlSi Alloys with Manganese Oxide Ceramic Filter Material for Fe Removal

Advanced Engineering Materials, EarlyView.
Fe‐ and Mn‐containing AlSi alloys undergo aluminothermic reaction with Mn oxide in sessile‐drop and crucible experiments forming poor‐wetting Al2O3 while Mn enriches in the alloy. Primary Fe‐containing particles are preferentially attached to the Mn oxide.
Hanka Becker, Simon Waschull, Beate Fankhänel, Claudia Voigt, Alexandros Charitos, Christos G. Aneziris, Andreas Leineweber   +6 more
wiley   +1 more source

Using of fluidized-bed jet mill to a super fine comminution of steel composite

Metalurgija, 2015
In many industries the demand for very fine material increases. In the metallurgical industry, for example, there is increasing use of the production of high density metal elements with the use of metallurgical powder composites.
D. Urbaniak, C. Kolmasiak, T. Wyleciał
doaj  

Mechanical Properties of Different Austenitic High‐Nitrogen Steel Grades Produced by Powder Mixtures

Advanced Engineering Materials, EarlyView.
The effect of nitrogen content on the mechanical properties of austenitic stainless steels is investigated using tailored powder metallurgical processing. Different PM routes, including additive manufacturing, enable controlled nitrogen uptake and complex geometries.
Felix Radtke, Louis Becker, Lars Schultze‐Schlutius, Anke Kaletsch, Jonathan Lentz, Sebastian Weber, Christoph Broeckmann   +6 more
wiley   +1 more source

Application of artificial intelligence methods for prediction of steel mechanical properties [PDF]

Metalurgija, 2008
The target of the contribution is to outline possibilities of applying artificial neural networks for the prediction of mechanical steel properties after heat treatment and to judge their perspective use in this field.
Z. Jančíková, V. Roubíček, D. Juchelková   +2 more
doaj