Room temperature deformation behavior of multiphase Ni20at.%Al30at.%Fe and its constituent phases

Guha, S.; Munroe, Paul; Baker, I.

doi:10.1016/0921-5093(91)90341-j

Cited by 62 publications

(9 citation statements)

References 12 publications

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“…However, single-phase B-Ni-Fe-AI alloys like binary NiAI exhibit only 0-to 2.5-percent tensile ductility at room temperature (Guha, Munroe, and Baker 1991;Russell et al 1991;Raj, Locci, and Noebe 1992). The observed slip vector in these Ni-Fe-AI alloys was <100> so that the ternary alloys were still slip system limited.…”

Section: Effect Of Macroalloying Additions On Slip Charactermentioning

confidence: 99%

The Physical and Mechanical Metallurgy of NiAl

Noebe¹,

Bowman²,

Nathal³

1996

Physical Metallurgy and Processing of Intermetallic Compounds

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Section: Effect Of Macroalloying Additions On Slip Charactermentioning

confidence: 99%

The Physical and Mechanical Metallurgy of NiAl

Noebe¹,

Bowman²,

Nathal³

1996

Physical Metallurgy and Processing of Intermetallic Compounds

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“…The two alloys, Fe 30 The idea of adding a ductile fcc phase to a stronger but brittle B2 phase is not new. It has been examined in the Ni-Al-Fe system [2][3][4], where the resulting multiphase alloys showed a good balance of strength and ductility. Similarly, the lamellar-structured fcc/B2 alloy Fe 30 Ni 20 Mn 35 Al 15 also shows a good balance between room temperature strength and ductility [5][6][7][8].…”

Section: Introductionmentioning

confidence: 99%

Lamellar coarsening in Fe28Ni18Mn33Al21 and its influence on room temperature tensile behavior

Baker

Meng

2015

Acta Materialia

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a b s t r a c tAs-cast nanostructured eutectoid Fe 28 Ni 18 Mn 33 Al 21 , which consists of $50 nm wide (Ni, Al)-rich B2 and (Fe, Mn)-rich fcc aligned phases, was annealed at 1173 K for various times up to 250 h in order to produce a wide range of phase widths (up to 2.5 lm) over which to evaluate the mechanical properties. The coarsening kinetics over these two orders of magnitude change could be described by r 2 À r 2 o = kt, where r is the phase width after time t at 1173 K, r o is initial phase width, and k is a constant. The yield strength, r y , was found to follow a Hall-Petch-type relationship, i.e. r y = r o + k y k À1/2 , where k is the fcc phase width, r o is the strength of the single-phase material, and k y is a constant. Interestingly, the work-hardening rate also roughly followed a k À1/2 relationship, while the elongation to failure increased as k increased from failure before yielding in the as-cast material to $7% for the material with the largest k values.

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“…High values of the Young's modulus and strength were also achieved owing to the addition of TiB 2 introduced in an amount of up to 30% [17,18]. Since the time when it was demonstrated that the two-phase NiAl/Ni 3 Al system has the properties superior to the properties of each of these two phases considered separately [19,20], the resultant alloy has become the object of numerous studies. Another method for hardening a two-phase NiAl/Ni 3 Al matrix consists in the introduction of fine ceramic particles uniformly distributed therein.…”

Section: Introductionmentioning

confidence: 99%

Characteristics of the Nial/Ni3al Matrix Composite With Tib2 Particles Fabricated By High Pressure – High Temperature Sintering

Hyjek

Sulima

Jaworska

2017

Archives of Metallurgy and Materials

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The article presents the results of tests carried out on the manufactured composite materials based on a two-phase NiAl/Ni 3 Al matrix, which was enriched with the addition of TiB 2 ceramic particles added in an amount of 4 and 7 vol%. The resulting mixtures were sintered by the High Pressure High Temperature (HP-HT) process. The results were compared to the results obtained for the sole matrix material produced under the same conditions. It has been shown that, at a lower density, the addition of reinforcing particles increases the composite hardness, Young's modulus and resistance to frictional wear. However, higher addition of TiB 2 (7 vol%) was observed to yield less satisfactory results, and despite higher hardness and lower density caused a decrease in other properties tested. The produced materials were characterized by a compact and highly differentiated microstructure free from any noticeable cracks and pores.

show abstract

Room temperature deformation behavior of multiphase Ni20at.%Al30at.%Fe and its constituent phases

Cited by 62 publications

References 12 publications

The Physical and Mechanical Metallurgy of NiAl

The Physical and Mechanical Metallurgy of NiAl

Lamellar coarsening in Fe28Ni18Mn33Al21 and its influence on room temperature tensile behavior

Characteristics of the Nial/Ni3al Matrix Composite With Tib2 Particles Fabricated By High Pressure – High Temperature Sintering

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