Bending property enhancements of Zr 55 Cu 30 Al 10 Ni 5 bulk metallic glass: Effects of various surface modifications

Yu, Chung‐Shan; Chu, Jinn P.; Lee, Cheng Min; Diyatmika, Wahyu; Chang, Ming-Tsung; Jeng, Jeng Ywan; Yokoyama, Yoshihiko

doi:10.1016/j.msea.2015.03.016

Cited by 11 publications

(2 citation statements)

References 42 publications

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“…For example, shot peening, a process long used for modifying crystalline metal properties, has proven successful in improving both the compression (Figure ) and bending ductility of BMGs . More recently, Yu et al examined the effect of three surface modifications on the four‐point bending ductility of a BMG with composition Zr 55 Cu 30 Al 10 Ni 5 . The surface modifications examined were i) a sputtered, 500 nm thick, metallic glass coating, ii) scratches from 180‐grit grinding paper, and iii) surface patterning using a femtosecond laser.…”

Section: Deformation Response Of Bulk Metallic Glassesmentioning

confidence: 99%

Bulk Metallic Glasses as Structural Materials: A Review

Kruzic

2016

Adv Eng Mater

234

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Bulk metallic glasses (BMGs) can exhibit excellent combinations of strength and fracture toughness that cannot be achieved by traditional metals, making them attractive for load bearing, mechanical engineering applications. Furthermore, recent research on BMGs has shown that many early perceived shortcomings, such as apparent brittleness or poor fatigue resistance, are not as big of a problem as once thought. The purpose of this paper is to review some of the unique mechanical characteristics of BMGs along with some of the strategies that may be used to improve or exploit their characteristics so that BMGs may be used as structural materials in engineering applications.

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Section: Deformation Response Of Bulk Metallic Glassesmentioning

confidence: 99%

Bulk Metallic Glasses as Structural Materials: A Review

Kruzic

2016

Adv Eng Mater

234

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“…One is the extrinsic toughening by surface treatment, pre-deformation or developing a composite microstructure with external ductile phase dispersed within the glassy matrix [16][17][18][19][20][21][22][23][24] . Another is the intrinsic toughening by designing phase separation, increasing the Poisson s ratio or the amount of free volume in BMGs, adjusting the Young s modulus and so on [25][26][27][28][29] .…”

Section: Introductionmentioning

confidence: 99%

Plasticity Improvement of Zr-Based Bulk Metallic Glasses by Adjusting Oxygen Content and Cooling Rate

Lei

Yeung³

et al. 2017

Mater. Trans.

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The poor plasticity of amorphous metal at room temperature has proved to be one of the biggest obstacles for its widespread application as structural components. In present study, the experimental samples were prepared by suction-casting and high vacuum die-casting with Zr 54.6 Ti 13.8 Cu 9.3 Ni 5.8 Be 13.5 Nb 3 (at. %) to discuss the effect of the oxygen content and cooling rate on the plasticity of amorphous metal respectively. The results indicate that dendrite with appropriate dimension and fraction can be obtained by adjusting oxygen content so as to improve the plasticity of metallic glasses. Likewise, the appropriate cooling rate even above the critical cooling rate can also be quite effective to make the brittle metallic glasses obtain high plasticity.

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Sub-micron magnetic patterns and local variations of adhesion force induced in non-ferromagnetic amorphous steel by femtosecond pulsed laser irradiation

Zhang

Yun

Nieto

et al. 2016

Applied Surface Science

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This is the author's version of a work that was accepted for publication in Applied surface science (Ed. Elsevier). Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Zhang, H. et al. "Submicron magnetic patterns and local variations of adhesion force induced in non-ferromagnetic amorphous steel by femtosecond pulsed laser irradiation" in

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Bending property enhancements of Zr 55 Cu 30 Al 10 Ni 5 bulk metallic glass: Effects of various surface modifications

Cited by 11 publications

References 42 publications

Bulk Metallic Glasses as Structural Materials: A Review

Bulk Metallic Glasses as Structural Materials: A Review

Plasticity Improvement of Zr-Based Bulk Metallic Glasses by Adjusting Oxygen Content and Cooling Rate

Sub-micron magnetic patterns and local variations of adhesion force induced in non-ferromagnetic amorphous steel by femtosecond pulsed laser irradiation

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