Articles with "high pressure" as a keyword



Assessment of Breathomics Testing Using High-Pressure Photon Ionization Time-of-Flight Mass Spectrometry to Detect Esophageal Cancer

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Published in 2021 at "JAMA Network Open"

DOI: 10.1001/jamanetworkopen.2021.27042

Abstract: Key Points Question Could esophageal cancer be detected by testing breathomics using high-pressure photon ionization time-of-flight mass spectrometry (HPPI-TOFMS)? Findings In this diagnostic study of 675 patients with and without cancer, esophageal cancer was accurately… read more here.

Keywords: esophageal cancer; pressure photon; using high; high pressure ... See more keywords

Gradient Structures in Thin-Walled Metallic Tubes Produced by Continuous High Pressure Tube Shearing Process

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Published in 2017 at "Advanced Engineering Materials"

DOI: 10.1002/adem.201700345

Abstract: A new severe plastic deformation process, the authors refer to as High Pressure Tube Shearing (HPTS), is proposed. This type of deformation processing enhances the strength of the walls of metallic tubes by producing gradient… read more here.

Keywords: tube; tube shearing; metallic tubes; process ... See more keywords

Phase Transformations in MgH2–TiH2 Hydrogen Storage System by High‐Pressure Torsion Process

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Published in 2019 at "Advanced Engineering Materials"

DOI: 10.1002/adem.201900027

Abstract: Magnesium hydride (MgH2) and titanium hydride (TiH2) are two potential candidates for solid‐state hydrogen storage, but strong hydride formation energy in these hydrides undesirably results in their high dehydrogenation temperature. First‐principles calculations show that the… read more here.

Keywords: system; mgh2 tih2; hydrogen; hydrogen storage ... See more keywords

High‐Pressure Sintering of Rhombohedral Cr2S3 Using Titanium–Zirconium–Molybdenum Tools

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Published in 2019 at "Advanced Engineering Materials"

DOI: 10.1002/adem.201900430

Abstract: The influence of sintering parameters on the physical properties and the chemical structure of rhombohedral Cr2S3 (rh‐Cr2S3) is investigated using high pressures and high temperatures. The densification of the powder is performed by applying the… read more here.

Keywords: rhombohedral cr2s3; pressure; cr2s3; using titanium ... See more keywords

Characterizing Microstructural and Mechanical Properties of Al–Zn Alloys Processed by High‐Pressure Torsion

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Published in 2019 at "Advanced Engineering Materials"

DOI: 10.1002/adem.201900672

Abstract: Herein, the characterization of microstructures and mechanical properties of Al–Zn alloys ultrafine-grained (UFG) by using high pressure torsion (HPT) is surveyed. Emphasis is placed on the decomposition of the solid solution structures due to the… read more here.

Keywords: pressure torsion; properties alloys; mechanical properties; high pressure ... See more keywords

Consolidation of the Amorphous Zr50Cu50 Ribbons by High‐Pressure Torsion

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Published in 2019 at "Advanced Engineering Materials"

DOI: 10.1002/adem.201900694

Abstract: High‐pressure torsion is used to consolidate the melt‐spun Cu50Zr50 amorphous ribbons. The high‐pressure torsion processing is conducted varying the strain using different numbers of anvil rotations. Optical microscopy (OM) and transmission electron microscopy (TEM), X‐ray… read more here.

Keywords: ribbons high; high pressure; microscopy; pressure torsion ... See more keywords

Synthesis of Nanostructured TiFe Hydrogen Storage Material by Mechanical Alloying via High‐Pressure Torsion

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Published in 2020 at "Advanced Engineering Materials"

DOI: 10.1002/adem.202000011

Abstract: TiFe as a room‐temperature hydrogen storage material is usually synthesized by ingot casting in the coarse‐grained form, but the ingot needs a thermal activation treatment for hydrogen absorption. Herein, nanograined TiFe is synthesized from the… read more here.

Keywords: hydrogen; hydrogen storage; high pressure; pressure torsion ... See more keywords

Grain Boundary Sliding During High Pressure Torsion of Nanocrystalline Au‐13Pd Alloy

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Published in 2024 at "Advanced Engineering Materials"

DOI: 10.1002/adem.202400214

Abstract: The microstructure and texture are investigated for nanocrystalline Au‐13at%Pd deformed by high‐pressure torsion. The grain size of this alloy is observed to remain below about 20 nm when subjected to severe plastic deformation. Surprisingly, the initial… read more here.

Keywords: pressure torsion; boundary sliding; grain boundary; high pressure ... See more keywords

Excitation‐Dependent Emission Color Tuning of 0D Cs2InBr5·H2O at High Pressure

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Published in 2021 at "Advanced Functional Materials"

DOI: 10.1002/adfm.202104923

Abstract: Self‐trapped exciton (STE) emission of low‐dimensional metal halides has witnessed explosive developments in both display and illumination, due to its intriguing photoluminescence properties. As one typical feature, STE emission energy is commonly independent of excitation… read more here.

Keywords: emission; excitation dependent; cs2inbr5 h2o; high pressure ... See more keywords

High‐Pressure Synthesis of Ultra‐Incompressible, Hard and Superconducting Tungsten Nitrides

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Published in 2024 at "Advanced Functional Materials"

DOI: 10.1002/adfm.202313819

Abstract: Transition metal nitrides, particularly those of 5d metals, are known for their outstanding properties, often relevant for industrial applications. Among these metal elements, tungsten is especially attractive given its low cost. In this high‐pressure investigation… read more here.

Keywords: ultra incompressible; pressure; synthesis ultra; pressure synthesis ... See more keywords

Harvesting PdH Employing Pd Nano Icosahedrons via High Pressure

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Published in 2022 at "Advanced Science"

DOI: 10.1002/advs.202205133

Abstract: Palladium hydrides (PdHx) have important applications in hydrogen storage, catalysis, and superconductivity. Because of the unique electron subshell structure of Pd, quenching PdHx materials with more than 0.706 hydrogen stoichiometry remains challenging. Here, the 1:1… read more here.

Keywords: harvesting pdh; pressure; high pressure; nano icosahedrons ... See more keywords