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Updated: Jun 23, 2026

Metal-silicate Partitioning at High Pressure and Temperature: Experimental Methods and a Protocol to Suppress Highly Siderophile Element Inclusions
11:50

Metal-silicate Partitioning at High Pressure and Temperature: Experimental Methods and a Protocol to Suppress Highly Siderophile Element Inclusions

Published on: June 13, 2015

(Al13.28Si2.72)(Fe1.19Ni2.81).

Mei Chen1, Changzeng Fan1,2, Bin Wen1

  • 1State Key Laboratory of Metastable Materials Science and Technology Yanshan University,Qinhuangdao 066004 People's Republic of China.

Iucrdata
|January 19, 2026
PubMed
Summary
This summary is machine-generated.

High-pressure sintering produced a novel inter-metallic phase, (Al$_{13.28}$Si$_{2.72}$)(Fe$_{1.19}$Ni$_{2.81}$), with a determined crystal structure. This research advances understanding of complex alloy formation under extreme conditions.

Keywords:
Al13.28Fe1.19Ni2.81Si2.72 phasecrystal structurehigh-pressureinter­metallic

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Area of Science:

  • Materials Science
  • Crystallography
  • Solid-state Chemistry

Background:

  • Intermetallic phases are crucial in advanced material applications.
  • Understanding the formation and structure of novel alloys is essential for materials development.
  • High-pressure sintering is a technique used to synthesize materials with unique properties.

Purpose of the Study:

  • To synthesize and characterize a new intermetallic phase.
  • To determine the crystal structure and site occupancies of the synthesized phase.
  • To investigate the formation of (Al,Si)5(Fe,Ni) alloys under high pressure.

Main Methods:

  • High-pressure sintering (HPS) of elemental mixtures.
  • X-ray diffraction for crystal structure determination.
  • Analysis of atomic site occupancies and ratios.

Main Results:

  • The inter-metallic phase (Al$_{13.28}$Si$_{2.72}$)(Fe$_{1.19}$Ni$_{2.81}$) was successfully synthesized.
  • The crystal structure was determined to be space group *C*2/*m* with Z = 2.
  • Detailed occupancy ratios for Si:Al and Ni:Fe on co-occupied sites were established.

Conclusions:

  • The study successfully identified and characterized a new intermetallic phase.
  • The determined crystal structure provides a basis for understanding the alloy's properties.
  • This work contributes to the knowledge of phase formation in Al-Si-Fe-Ni systems.