Published November 29, 2010 | Version v1
Journal article Metadata-only

Invar effects of (Fe71.2B24Y4.8)96Nb4 alloy in different structural states

Creators

  • 1. School of Materials Science and Engineering, Northwestern Polytechnical University, Xi'an, Shannxi 710072 (China)
  • 2. Shenzhen Key Laboratory of Special Functional Materials, Shenzhen 518060 (China)
  • 3. College of Materials Science and Engineering, Shenzhen University, Shenzhen 518060 (China)
  • 4. Department of Mechanical Engineering, Hong Kong Polytechnic University (Hong Kong)

Description

This paper reports the observation of the clear Invar effects of (Fe71.2B24Y4.8)96Nb4 bulk metallic glass. The Invar effects of (Fe71.2B24Y4.8)96Nb4 alloys in different structural states are also investigated in situ through cyclic thermal dilation tests at different cyclic temperatures. The results show that these Invar effects are strengthened in the relaxation amorphous state, weakened in the nanocrystalline state, and absent in the complete crystalline state. X-ray diffraction and Moessbauer spectroscopy demonstrate that the structural influences on Invar effects can be explained by the different local atomic arrangements around Fe atoms in different structural states.

Additional details

Identifiers

DOI
10.1063/1.3524199;

Publishing Information

Journal Title
Applied Physics Letters
Journal Volume
97
Journal Issue
22
Journal Page Range
p. 221907-221907.3
ISSN
0003-6951
CODEN
APPLAB

INIS

Country of Publication
United States
Country of Input or Organization
International Atomic Energy Agency (IAEA)
INIS RN
42108837
Subject category
S36: MATERIALS SCIENCE; S75: CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY;
Descriptors DEI
AMORPHOUS STATE; ATOMS; BORON ALLOYS; CRYSTALS; GLASS; HEAT TREATMENTS; INVAR; IRON ALLOYS; MATERIALS; METALLIC GLASSES; MOESSBAUER EFFECT; NANOSTRUCTURES; NIOBIUM ALLOYS; QUATERNARY ALLOY SYSTEMS; RELAXATION; X-RAY DIFFRACTION; YTTRIUM ALLOYS
Descriptors DEC
ALLOY SYSTEMS; ALLOYS; COHERENT SCATTERING; DIFFRACTION; IRON ALLOYS; IRON BASE ALLOYS; NICKEL ALLOYS; SCATTERING; TRANSITION ELEMENT ALLOYS

Optional Information

Notes
(c) 2010 American Institute of Physics