Results 91 to 100 of about 12,952 (301)

Mechanism of Plastic Deformation Localization in Polycrystalline Precipitation-Hardening Alloys

Механика машин, механизмов и материалов, 2016
The mechanism of strain localization of polycrystallic precipitation hardening materials based on the account of statistical dissipation in allocation of particles on slip planes and dissipation of the size of particles is proposed.
Vladimir A. Kukareko
doaj  

Microstructural decay of matrix and precipitates during rolling contact fatigue in a martensitic dual-hardening bearing steel

Materials & Design
We investigate the microstructural degradation during rolling contact fatigue (RCF) in a martensitic dual-hardening bearing steel. The dual-hardening steel makes use of both carbide precipitation and intermetallic precipitation hardening.
Tania Loaiza, Steve Ooi, Ahmet Bahadir Yildiz, Alexander Dahlström, R. Prasath Babu, Peter Hedström   +5 more
doaj   +1 more source

Precipitation hardening in the Cu-11 wt.%Al-10 wt.%Mn alloy with Ag addition [PDF]

, 2015
In this work the precipitation hardening in the Cu-11 wt.%Al-10 wt.%Mn alloy with Ag addition was studied using different experimental techniques. The results indicated that the hardening on ageing of the Cu-11 wt.%Al-10 wt.%Mn alloy is only due to ...
Adorno, A. T. [UNESP], Carvalho, T. M. [UNESP], Adorno, A. T., Santos, C. M.A., Carvalho, T. M., Paganotti, A., Santos, C. M.A. [UNESP], Silva, R. A.G.   +7 more
core   +1 more source

Phase Field Failure Modeling: Brittle‐Ductile Dual‐Phase Microstructures under Compressive Loading

Advanced Engineering Materials, EarlyView.
The approach by Amor and the approach by Miehe and Zhang for asymmetric damage behavior in the phase field method for fracture are compared regarding their fitness for microcrack‐based failure modeling. The comparison is performed for the case of a dual‐phase microstructure with a brittle and a ductile constituent.
Jakob Huber, Jan Torgersen, Ewald Werner
wiley   +1 more source

The investigation of the carbon on irradiation hardening and defect clustering in RPV model alloy using ion irradiation and OKMC simulation

Nuclear Engineering and Technology
The precipitation of solutes is a major cause of irradiation hardening and embrittlement limiting the service life of reactor pressure vessel (RPV) steels. Impurities play a significant role in the formation of precipitation in RPV materials.
Yitao Yang, Jianyang Li, Chonghong Zhang
doaj   +1 more source

Precipitation hardening in nickel-copper base alloy monel K 500 [PDF]

, 1993
The occurrence of a significant amount of age hardening, due to the precipitation of the γ' phase, has been demonstrated in the nickel-copper base alloy MONEL K 500.
R. Tewari, P. Mukhopadhyay, P. Rao, Tewari, R., Rao, P., S. L. Wadekar, Dey, G. K., Wadekar, S. L., Mukhopadhyay, P., G. K. Dey   +9 more
core   +1 more source

Karl Popper and the Mechanisms of Hydrogen Embrittlement

Advanced Engineering Materials, EarlyView.
Representation of the beginning of loss of ductility rather than embrittlement. Small concentrations of hydrogen in a diffusible form within iron are well‐established to harm the mechanical integrity of steels. There are theories that attempt to explain the pernicious role of hydrogen.
H. K. D. H. Bhadeshia
wiley   +1 more source

Precipitation hardening in lead-free Na0.5Bi0.5Ti03-BaTiO3 [PDF]

Ferroelectric hardening is indispensable for piezoelectrics used in high-power applications, as it enhances their performance by avoiding thermal and dielectric breakdowns.
Aßmann, Friederike, Schönhöfer, Florian, Kahse, Sabrina, Rödel, Jürgen, Zischke, Sebastian, Teuber, Siegfried, Fulanovic, Lovro, Einhellinger-Müller, Tanja   +7 more
core   +1 more source

Affecting the Properties of Copper–Graphene Electroconductive Composite by Severe Plastic Deformation

Advanced Engineering Materials, EarlyView.
Copper‐based composites enhanced with carbon feature convenient mechanical properties and favorable electric conductivity. Processing via deformation and thermomechanical treatments can introduce advantageous microstructures further enhancing their performance. Herein, copper–graphene powder‐based composites are directly consolidated via rotary swaging
Radim Kocich, Lenka Kunčická, Pavel Czernek, Zifan Wang   +3 more
wiley   +1 more source

A multiscale investigation of hardening behavior in dispersoid-modified AlZnMg alloys

Materials & Design
While dispersoid-modified Al–Zn–Mg alloys have improved thermal stability compared to their unmodified variants, they generally exhibit a reduced age-hardening potential.
Viktor Wessely, Indranil Basu, Jeffrey M. Wheeler, Robin E. Schäublin, Ueli Töpfer, Stephan S.A. Gerstl, Stefan Pogatscher, Peter J. Uggowitzer, Jörg F. Löffler   +8 more
doaj   +1 more source