High-pressure neutron diffraction apparatus for investigating the structure of liquids under hydrothermal conditions

Burkhard Annighoefer; Annalisa Polidori; Anita Zeidler; Henry Fischer; Philip Salmon

doi:10.1080/08957959.2017.1391953

High-pressure neutron diffraction apparatus for investigating the structure of liquids under hydrothermal conditions

Burkhard Annighoefer, Annalisa Polidori, Anita Zeidler, Henry Fischer, Philip Salmon

Institut Laue Langevin

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1 Citation (SciVal)

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Abstract

A high-pressure setup is described for making neutron diffraction experiments on liquids under hydrothermal conditions. Designs are given for a modied Bridgman unsupported area seal, a fluid separator that keeps apart the liquid sample and pressurising fluid, and a pressure-cell made from the null-scattering alloy Ti0:676Zr0:324.
Special attention is paid to the choice of construction materials used to avoid corrosion by the liquid sample under load at elevated temperatures. The apparatus is used to investigate the structure of heavy water at pressures up to 2 kbar and temperatures up to 250 degC.

Original language	English
Pages (from-to)	529-544
Journal	High Pressure Research
Volume	37
Issue number	4
DOIs	https://doi.org/10.1080/08957959.2017.1391953
Publication status	Published - 25 Oct 2017

Keywords

Modied Bridgman unsupported area seal; high-pressure separator; Ti-Zr high-pressure cell; neutron diffraction; structure of water

Access to Document

10.1080/08957959.2017.1391953

Pressure_cell_and_separator_revisedAccepted author manuscript, 5.05 MB

ILL and ISIS Experiment Consumables Funding Support
Salmon, P. (PI)
Science and Technology Facilities Council
20/07/12 → 4/04/13
Project: Research council
Network Structures: from Fundamentals to Functionality
Salmon, P. (PI) & Zeidler, A. (CoI)
Engineering and Physical Sciences Research Council
5/06/12 → 4/10/15
Project: Research council

Cite this

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title = "High-pressure neutron diffraction apparatus for investigating the structure of liquids under hydrothermal conditions",

abstract = "A high-pressure setup is described for making neutron diffraction experiments on liquids under hydrothermal conditions. Designs are given for a modied Bridgman unsupported area seal, a fluid separator that keeps apart the liquid sample and pressurising fluid, and a pressure-cell made from the null-scattering alloy Ti0:676Zr0:324.Special attention is paid to the choice of construction materials used to avoid corrosion by the liquid sample under load at elevated temperatures. The apparatus is used to investigate the structure of heavy water at pressures up to 2 kbar and temperatures up to 250 degC.",

keywords = "Modi ed Bridgman unsupported area seal; high-pressure separator; Ti-Zr high-pressure cell; neutron diffraction; structure of water",

author = "Burkhard Annighoefer and Annalisa Polidori and Anita Zeidler and Henry Fischer and Philip Salmon",

year = "2017",

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T1 - High-pressure neutron diffraction apparatus for investigating the structure of liquids under hydrothermal conditions

AU - Annighoefer, Burkhard

AU - Polidori, Annalisa

AU - Zeidler, Anita

AU - Fischer, Henry

AU - Salmon, Philip

PY - 2017/10/25

Y1 - 2017/10/25

N2 - A high-pressure setup is described for making neutron diffraction experiments on liquids under hydrothermal conditions. Designs are given for a modied Bridgman unsupported area seal, a fluid separator that keeps apart the liquid sample and pressurising fluid, and a pressure-cell made from the null-scattering alloy Ti0:676Zr0:324.Special attention is paid to the choice of construction materials used to avoid corrosion by the liquid sample under load at elevated temperatures. The apparatus is used to investigate the structure of heavy water at pressures up to 2 kbar and temperatures up to 250 degC.

AB - A high-pressure setup is described for making neutron diffraction experiments on liquids under hydrothermal conditions. Designs are given for a modied Bridgman unsupported area seal, a fluid separator that keeps apart the liquid sample and pressurising fluid, and a pressure-cell made from the null-scattering alloy Ti0:676Zr0:324.Special attention is paid to the choice of construction materials used to avoid corrosion by the liquid sample under load at elevated temperatures. The apparatus is used to investigate the structure of heavy water at pressures up to 2 kbar and temperatures up to 250 degC.

KW - Modied Bridgman unsupported area seal; high-pressure separator; Ti-Zr high-pressure cell; neutron diffraction; structure of water

U2 - 10.1080/08957959.2017.1391953

DO - 10.1080/08957959.2017.1391953

M3 - Article

SN - 0895-7959

VL - 37

SP - 529

EP - 544

JO - High Pressure Research

JF - High Pressure Research

IS - 4

ER -

High-pressure neutron diffraction apparatus for investigating the structure of liquids under hydrothermal conditions

Abstract

Keywords

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Projects

ILL and ISIS Experiment Consumables Funding Support

Network Structures: from Fundamentals to Functionality

Cite this