A development of Ni-based alloys with enhanced plasticity

Lee, M.H.; Lee, J.Y.; Bae, D.H.; Kim, W.T.; Sordelet, D.J.; Kim, D.H.

doi:10.1016/j.intermet.2004.04.027

Cited by 122 publications

(49 citation statements)

References 19 publications

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“…The biggest critical diameter for bulk glass formation is 5 mm for the other Ni-based alloys 5) till now, while by water-quenching, a glassy rod with a diameter of at least 7 mm can be obtained for the Ni 50 P 30 P 20 alloy. Such a high GFA is good for engineering application.…”

Section: Glass-forming Abilitymentioning

confidence: 94%

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Ni-Rich Ni–Pd–P Glassy Alloy with High Strength and Good Ductility

et al. 2006

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We found that a Ni-rich alloy with the composition of Ni 50 Pd 30 P 20 had high glass-forming ability. Bulk glassy alloy rods with diameters up to 7 mm can be easily formed by a water quenching method. Its mechanical properties were measured under compressive load. The bulk glassy alloy exhibits relatively high yield strength of 1780 MPa and good ductility as is evidenced from a large plastic elongation of 7.6% before final fracture. The elastic properties of this bulk glassy alloy were also investigated.

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Section: Glass-forming Abilitymentioning

confidence: 94%

“…1,2) A number of BMGs with high glassforming ability (GFA) have been obtained in various multicomponent systems such as Ni-, [3][4][5] Pd-, 6) Zr-, 7) Cu-, 8) and based alloys. However, the absence of plastic elongation at room temperature is a serious obstacle for the application of these BMGs as engineering materials.…”

Section: Introductionmentioning

confidence: 99%

Ni-Rich Ni–Pd–P Glassy Alloy with High Strength and Good Ductility

et al. 2006

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“…[12][13][14] There are also reports on the improvement of plasticity on addition of elements having positive enthalpy of mixing (ÁH mix ) with other elements. [14][15][16][17] For examples, addition of Nb to Ni-based, 15) Nb and Ag to Cu-based 16,17) and Ta to Zrbased BMGs 14) were reported to enhance the plasticity of the respective alloys. Choice of elements to improve the plasticity of the BMGs without loosing the glass forming ability has been guided by the concept of addition of elements having positive enthalpy of mixing.…”

Section: áHmentioning

confidence: 99%

Glass Forming Ability and Mechanical Properties of Quinary Zr-Based Bulk Metallic Glasses

et al. 2007

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Quinary Zr-based alloy compositions with improved glass forming criteria have been sought and the glass forming ability (GFA), thermal stability and mechanical properties of these alloys have been investigated. Monolithic amorphous structure has been confirmed for all compositions in 5 mm rods prepared by a Cu-mold casting method. They also show large plastic strain maximum of about 12% under uniaxial compression test with yield stress of about 2000 MPa. The compressive plasticity of the cast rods was found to be influenced by the casting temperature to a great extent.

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“…4,[7][8][9] This lack of plasticity followed by the catastrophic fracture limits the use of the BGAs in new structural applications. Therefore, great efforts have been made to improve the plastic deformation ability of many types of BGAs and the compressive ductility has been improved to a large extent by promoting multiple shear bands in Zr-, 10,11) Cu-, [12][13][14] Ni-, 15,16) Ti-, 17,18) Mg-, 19) and Pd-based 20) BGA composites containing second dendrite or particle phases, or fine pore phase in the BGA matrices. However, improvements in ductility of the Fe-based BGAs, which have higher strength than the non-ferrous alloys, have not been achieved yet.…”

Section: Introductionmentioning

confidence: 99%

Mechanical Properties of Soft Magnetic (Fe0.76Si0.096B0.084P0.06)100−xCux (x=0 and 0.1) Bulk Glassy Alloys

Makino

Kato

et al. 2009

Mater. Trans.

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Fe-based bulk glassy alloys (BGAs) are known to have great potential for structural applications because of their high strength and relatively low material cost. However, their brittle nature hinders further applications. We have recently developed a new ductile (Fe 0:76 Si 0:096 B 0:084 P 0:06 ) 99:9 Cu 0:1 BGA with a strength of 3.3 GPa and a large plastic strain of about 4% in compression. A well developed vein pattern on the fracture surface and highly-dense multiple shear bands on the surface of the specimen were observed. A large number of -Fe like clusters (<10 nm) are found to disperse in the matrix glass. These clusters possibly act as nucleation sites for the -Fe nanocrystallization in slipping shear bands dynamically. This results in development of the multiple shear bands causing highly improved plasticity in the

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A development of Ni-based alloys with enhanced plasticity

Cited by 122 publications

References 19 publications

Ni-Rich Ni–Pd–P Glassy Alloy with High Strength and Good Ductility

Ni-Rich Ni–Pd–P Glassy Alloy with High Strength and Good Ductility

Glass Forming Ability and Mechanical Properties of Quinary Zr-Based Bulk Metallic Glasses

Mechanical Properties of Soft Magnetic (Fe<SUB>0.76</SUB>Si<SUB>0.096</SUB>B<SUB>0.084</SUB>P<SUB>0.06</SUB>)<SUB>100−<I>x</I></SUB>Cu<I><SUB>x</SUB></I> (<I>x</I>=0 and 0.1) Bulk Glassy Alloys

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A development of Ni-based alloys with enhanced plasticity

Cited by 122 publications

References 19 publications

Ni-Rich Ni&ndash;Pd&ndash;P Glassy Alloy with High Strength and Good Ductility

Ni-Rich Ni&ndash;Pd&ndash;P Glassy Alloy with High Strength and Good Ductility

Glass Forming Ability and Mechanical Properties of Quinary Zr-Based Bulk Metallic Glasses

Mechanical Properties of Soft Magnetic (Fe<SUB>0.76</SUB>Si<SUB>0.096</SUB>B<SUB>0.084</SUB>P<SUB>0.06</SUB>)<SUB>100&minus;<I>x</I></SUB>Cu<I><SUB>x</SUB></I> (<I>x</I>=0 and 0.1) Bulk Glassy Alloys

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Ni-Rich Ni–Pd–P Glassy Alloy with High Strength and Good Ductility

Ni-Rich Ni–Pd–P Glassy Alloy with High Strength and Good Ductility

Mechanical Properties of Soft Magnetic (Fe<SUB>0.76</SUB>Si<SUB>0.096</SUB>B<SUB>0.084</SUB>P<SUB>0.06</SUB>)<SUB>100−<I>x</I></SUB>Cu<I><SUB>x</SUB></I> (<I>x</I>=0 and 0.1) Bulk Glassy Alloys