Compression-compression fatigue and fracture behaviors of Zr 50Al10Cu37Pd3 bulk-metallic glass

Dongchun Qiao; Gongyao Wang; Wenhui Jiang; Y. Yokoyama; Peter K. Liaw; Hann Choo

doi:10.2320/matertrans.MJ200780

Compression-compression fatigue and fracture behaviors of Zr ₅₀Al₁₀Cu₃₇Pd₃ bulk-metallic glass

Dongchun Qiao, Gongyao Wang, Wenhui Jiang, Y. Yokoyama, Peter K. Liaw, Hann Choo

Institute for Materials Research (IMR)

Research output: Contribution to journal › Article › peer-review

15 Citations (Scopus)

Abstract

The compression-compression fatigue and fracture behaviors were studied on the Zr₅₀Al₁₀Cu₃₇Pd₃ bulk-metallic glasses (BMGs) under a load control, employing an electrohydraulic machine, at a frequency of 10 Hz (using a sinusoidal waveform) with an R ratio of 10, where R = σ_min./σ_max. (σ_min. and σ_max. are the applied minimum and maximum stresses, respectively). The obtained results were compared with those of the tension-tension fatigue tests. The life under the compression-compression fatigue was improved significantly. However the fatigue-endurance limits in two different stress states are comparable. The fracture morphology and the specimen surfaces were observed. The possible different fracture mechanisms under two kinds of stresses were discussed.

Original language	English
Pages (from-to)	1828-1833
Number of pages	6
Journal	Materials Transactions
Volume	48
Issue number	7
DOIs	https://doi.org/10.2320/matertrans.MJ200780
Publication status	Published - 2007 Jul

Keywords

Casting
Electron microscopy
Fatigue resistance and crack growth
Glasses
Metallic
Scanning

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

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AU - Qiao, Dongchun

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AU - Jiang, Wenhui

AU - Yokoyama, Y.

AU - Liaw, Peter K.

AU - Choo, Hann

PY - 2007/7

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