Results 111 to 120 of about 87,277 (311)

Fundamentals of interface phenomena in advanced bulk nanoscale materials

, 2005
The review is devoted to a study of interface phenomena influencing advanced properties of nanoscale materials processed by means of severe plastic deformation, high-energy ball milling and their combinations.
Sort, J., Suriñach, S., S. Suriæach, S. G. Protasova, Zhilyaev, A. P., M. J. Starink, Ovidko, I.A., Grabovetskaya, G.P., Langdon, T. G., Baró, M. D., Straumal, B.B., J. Gubicza, Langdon, T.G., Révész, Á., Ivanov, M. B., Protasova, S. G., Ungár, T., M. D. Baró, J. Noguøs, G. P. Grabovetskaya, J. Lendvai, Lipnitskii, A.G., Lipnitskii, A. G., Kolobov, Y. R., Yu. R. Kolobov, N. V. Skiba, Kolobov, Yu.R., Raab, G. I., B. B. Straumal, Gubicza, J., Nazarov, A. A., Mazilkin, A. A., Ivanov, M.B., Skiba, N.V., Protasova, S.G., T. G. Langdon, J. Sort, G. I. Raab, A. A. Nazarov, Raab, G.I., Starink, M.J., Nazarov, A.A., Zhilyaev, A.P., Révész, Ádám, Skiba, N. V., I. A. Ovidko, Baró, M.D., Baretzky, B., Ovidko, I. A., M. B. Ivanov, A. A. Mazilkin, Lendvai, János, Starink, M. J., T. Ungær, Grabovetskaya, G. P., Ungár, Tamás, Kolobov, Yu. R., Nogués, J., Mazilkin, A.A., B. Baretzky, Gubicza, Jenő, Lendvai, J., A. G. Lipnitskii, Straumal, B. B.   +63 more
core  

Increasing the content of CSL grain boundaries in ferritic steel through grain boundary engineering

Journal of Materials Research and Technology
Coincidence Site Lattice (CSL) grain boundaries are special boundaries that enhance a material’s resistance to hydrogen embrittlement, corrosion, and fracture.
Onur Can Şen, Santiago Benito, Sebastian Weber, Rebecca Janisch   +3 more
doaj   +1 more source

On the effect of boron on the mechanical properties of a new polycrystalline superalloy

MATEC Web of Conferences, 2014
Boron is used as a grain boundary strengthener in the nickel-based superalloys, but the reasons for its effect and the optimum quantities which need to be added are not well understood.
Kontis Paraskevas, Mohd Yusof Hanis A., Moore Katie L., Grovenor Chris R.M., Reed Roger C.   +4 more
doaj   +1 more source

Understanding the Stochastic Nature of Process Parameter Development of Blown Powder Laser Beam Directed Energy Deposition Additive Manufacturing of Pure Molybdenum

Advanced Engineering Materials, EarlyView.
Identified through the use of statistical design of experiments and metallographic investigation, this study exposes the stochastic origins of intergranular cracks in blown powder laser beam directed energy deposition additive manufacturing of pure molybdenum. It further demonstrates a successful crack mitigation approach with direct correlation to the
Nathaniel J. Lies, Daniel E. Driemeyer, Aaron P. Stebner   +2 more
wiley   +1 more source

Multimodal Data‐Driven Microstructure Characterization

Advanced Engineering Materials, EarlyView.
A self‐consistent autonomous workflow for EBSP‐based microstructure segmentation by integrating PCA, GMM clustering, and cNMF with information‐theoretic parameter selection, requiring no user input. An optimal ROI size related to characteristic grain size is identified.
Qi Zhang, Santiago Benito, Özge Özgün, Sebastian Weber, Markus Stricker   +4 more
wiley   +1 more source

Microstructure and properties of (rare earth) doped oxide ceramics [PDF]

A study of alumina (AI203 ) and magnesium aluminate spinel (MgAb04) was undertaken with the aim of investigating the changes in properties and microstructural characteristics upon doping with specific rare earth elements.
Perkins, James M.
core  

Strong crack blunting by shear-coupled migration of grain boundaries in nanocrystalline materials

, 2014
A theoretical model is proposed to illustrate the effect of shear-coupled migration of grain boundaries on the emission of lattice dislocations from a semi-infinite crack tip in nanocrystalline materials.
Soh AK, Chen SH(陈少华), Li, JJ (reprint author), Northwestern Polytech Univ, Sch Mech Civil Engn & Architecture, Dept Engn Mech, Xian, Shanxi, Peoples R China., Li JJ(李建军), Wu XL(武晓雷)   +4 more
core   +1 more source

Microstructure Evolution of a VMnFeCoNi High‐Entropy Alloy After Synthesis, Swaging, and Annealing

Advanced Engineering Materials, EarlyView.
The synthesis and processing (rotary swaging and annealing) of the novel VMnFeCoNi alloy is investigated, alongside the estimation of the grain size effect on hardness. Analysis of a wide grain size range of recrystallized microstructures (12–210 µm) reveals a low annealing twin density.
Aditya Srinivasan Tirunilai, Zeki Ayrildi, Buse Şen, Maik Rajkowski, Mathias Redondo Garcia, Markus Stricker, Guillaume Laplanche   +6 more
wiley   +1 more source

Correlation between grain boundaries, carbides and stress corrosion cracking of Alloy 690TT in a high temperature caustic solution with lead

, 2018
The relationship between grain boundaries (GBs), carbides and stress corrosion cracking (SCC) of Alloy 690TT is investigated by immersion experiments using reverse U-bent specimens in a high temperature alkaline solution containing lead.
Shao Jiamin, Liu Zhiyong, Hou Qiang, Li Chengtao, Li Xiaogang   +4 more
core   +1 more source

Hydrogen‐Assisted Fracture of Iron‐Based Fe–Ni–Al Alloys

Advanced Engineering Materials, EarlyView.
Principal relations and fracture mechanisms of single‐phase and precipitate‐strengthened Fe–Ni–Al alloys subjected to prior electrochemical hydrogen charging are identified. The mechanisms of hydrogen effect on strength and microhardness are discussed, including hydrogen‐induced increase in microhardness and the role of hydrogen in fracture behavior ...
Nataliya Yadzhak, Olha Zvirko, Rostyslav Leshchak, Hryhoriy Nykyforchyn   +3 more
wiley   +1 more source