Bulk amorphous alloys with high mechanical strength and good soft magnetic properties in Fe{endash}TM{endash}B (TM=IV{endash}VIII group transition metal) system

Journal Article · Tue Jul 01 04:00:00 EDT 1997 · Applied Physics Letters

DOI:https://doi.org/10.1063/1.119580· OSTI ID:526853

Inoue, A; Zhang, T; Takeuchi, A ^[1]

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1. Institute for Materials Research, Tohoku University, Sendai 980-77 (Japan)

New bulk amorphous alloys exhibiting a wide supercooled liquid region before crystallization were found in Fe{endash}(Co,Ni){endash}(Zr,Nb,Ta){endash}(Mo,W){endash}B systems. The T{sub g} is as high as about 870 K and the supercooled liquid region reaches 88 K. The high thermal stability of the supercooled liquid enabled the production of bulk amorphous alloys with diameters up to 6 mm. These bulk amorphous alloys exhibit a high compressive strength of 3800 MPa, high Vickers hardness of 1360, and high corrosion resistance. Besides, the amorphous alloys exhibit a high magnetic-flux density of 0.74{endash}0.96 T, low coercivity of 1.1{endash}3.2 A/m, high permeability exceeding 1.2{times}10{sup 4} at 1 kHz, and low magnetostriction of about 12{times}10{sup {minus}6}. {copyright} {ital 1997 American Institute of Physics.}

• OSTI ID: 526853
• Journal Information: Applied Physics Letters, Journal Name: Applied Physics Letters Journal Issue: 4 Vol. 71; ISSN APPLAB; ISSN 0003-6951
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
AMORPHOUS STATE
BORON ALLOYS
COBALT ALLOYS
COERCIVE FORCE
COMPRESSION STRENGTH
CORROSION
CORROSION RESISTANCE
FERROMAGNETIC MATERIALS
HARDNESS
IRON ALLOYS
MAGNETIC SUSCEPTIBILITY
MAGNETOSTRICTION
MOLYBDENUM ALLOYS
NICKEL ALLOYS
NIOBIUM ALLOYS
TANTALUM ALLOYS
TUNGSTEN ALLOYS
ZIRCONIUM ALLOYS