Results 41 to 50 of about 615,704 (332)

Possibilities of Reclamation Microwave-Hardened Molding Sands with Water Glass

open access: yesArchives of Metallurgy and Materials, 2014
W pracy przedstawiono wyniki badań nad określeniem możliwości prowadzenia skutecznej regeneracji zużytych mas formierskich ze szkłem wodnym utwardzanych w procesie nagrzewania mikrofalowego.
Stachowicz M., Granat K.
doaj   +1 more source

The Hardening in Alloys and Composites and Its Examination with a Diffraction and Self-Consistent Model

open access: yesFatigue of Aircraft Structures, 2018
The paper presents the results of diffraction stress measurement in Al/SiC composite and in 2124T6 aluminum alloy during the in situ tensile test. The main aim of the work is to observe the stress values for different stages of tensile test for the ...
Gadalińska Elżbieta   +4 more
doaj   +1 more source

Mechanical Properties of Zirconium/Steel Bimetal Fabricated by Means of Explosive Welding at Varied Detonation Velocities

open access: yesArchives of Metallurgy and Materials, 2014
This paper assesses the effect of various values of detonation velocity on the quality of the bond zone, and thus the properties of bimetal zirconium (Zr 700) - steel (P355NL). The research was carried out for as-bonded welds, i.e.
Prażmowski M.
doaj   +1 more source

Impact of Volume and Surface Heat Treatment on the Structure and Properties of Steel 30HGSA

open access: yesҚарағанды университетінің хабаршысы. Физика сериясы, 2021
The work presents the results of a comparative study of volumetric and surface heat treatment impact on the structural-phase states, hardness, and wear resistance of steel 30HGSA. Surface hardening was conducted by the electrolyte-plasma method.
Б.К. Рахадилов   +6 more
doaj   +1 more source

Deforming glassy polystyrene: Influence of pressure, thermal history, and deformation mode on yielding and hardening [PDF]

open access: yes, 2009
The toughness of a polymer glass is determined by the interplay of yielding, strain softening, and strain hardening. Molecular-dynamics simulations of a typical polymer glass, atactic polystyrene, under the influence of active deformation have been ...
Alexey V. Lyulin   +14 more
core   +1 more source

Ductility and strain hardening in gradient and lamellar structured materials

open access: yes, 2020
Low ductility has long been the bottleneck especially at high strength in metallic structured materials due to conventional forest hardening having little to no effect.
Xiaolei Wu, Yuntian Zhu, K. Lu
semanticscholar   +1 more source

Chemical heterogeneity as a factor of improving the strength of steels manufactured by selective laser melting technology

open access: yesЗаписки Горного института, 2020
The aim of this paper was to establish the causes of the heterogeneity of the chemical composition of the metal obtained by the LC technology. The powdered raw material was made from a monolithic alloy, which was fused by the SLM, the initial raw ...
Vadim I. ALEKSEEV   +2 more
doaj   +1 more source

The technology of thermal cyclic electrolytic plasma hardening of steels

open access: yesҚарағанды университетінің хабаршысы. Физика сериясы, 2021
This work describes the technology of thermal cyclic electrolytic plasma hardening, as well as describes the design features of the electrolytic plasma heater.
Б.К. Рахадилов   +4 more
doaj   +1 more source

A review of x-ray spectral evolution in Crab pulsar [PDF]

open access: yes, 2002
Pravdo et al (1997) claimed that the phase resolved x-ray spectrum in Crab pulsar (PSR B0531+21) shows a spectral hardening at the leading edge of the first peak of its integrated profile; this was a new and unexpected result.
Lundgren   +8 more
core   +2 more sources

FEATURES OF FORMATION OF FUNCTIONAL COVERINGS AT ELECTROSPARK MODIFYING OF METAL MATERIALS

open access: yesВестник СибАДИ, 2017
Results of a research of influence of materials of the alloying electrodes at electrospark modifying of steel products on phase structure of the formed coverings and blankets are presented.
D. N. Korotaev, E. V. Ivanova
doaj   +1 more source

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