NDLI: Microstructure and compressive flow stress of directionally solidified ternary Ni3(Al, Nb) and quaternary Ni3(Al, Nb, Ti) alloys with duplexphase

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Volume 19, 2018

Volume 18, 2017

Best Paper Award in Science and Technology of Advanced Materials for 2000

Development of in-house fast X-ray diffraction apparatus and its application to the supercooled liquid Pd40Ni10Cu30P20 alloy

High–temperature phase chemistry of the system Gd–Pd–O

Matrix effect on local structure surrounding Yb3+and spontaneous emission probability in oxide glasses

Cathodoluminescence study of h– and c–GaN single crystals grown by a Na or K flux

Design of novel biomimetic polymer gels with self-oscillating function

Preparation and high bacteriostatic action of the activated carbons possessing ultrafine silver particles

Viscoelasticity and flow behavior of irradiation grafted nano-inorganic particle filled polypropylene composites in the melt state

Preface

Formation of nanocrystalline structure during electron irradiation induced crystallization in amorphous Fe-Zr-B alloys

Microstructural analysis and mechanical properties of in situ Nb/Nb-aluminide layered materials

Microstructures and fracture toughness of directionally solidified Mo-ZrC eutectic composites

High temperature strength, fracture toughness and oxidation resistance of Nb–Si–Al–Ti multiphase alloys

Concurrent design for NiAl-based (β/γ′) two-phase alloys by controlling microstructure and texture

Microstructure control for developing Fe-Pd ferromagnetic shape memory alloys

Effect of grain boundary on martensite transformation behaviour in Fe–32 at.%Ni bicrystals

Synthesis and high temperature oxidation of Mo-Si-B-O pseudo in situ composites

Microstructure and compressive flow stress of directionally solidified ternary Ni3(Al, Nb) and quaternary Ni3(Al, Nb, Ti) alloys with duplexphase

Effect of rapid solidification on giant magnetostriction in ferromagnetic shape memory iron-based alloys

Proposal of an active composite with embedded sensor

Design and fabrication of functionally graded PZT/Pt piezoelectric bimorph actuator

Selection and change in deformation mode to maintain continuity of strains and slip/twinning planes at lamellar boundaries in fatigued TiAl polysynthetically twinned crystals

Volume: 3 Issue: 1

Volume 2, 2001

Volume 1, 2000

Microstructure and compressive flow stress of directionally solidified ternary Ni3(Al, Nb) and quaternary Ni3(Al, Nb, Ti) alloys with duplexphase

Content Provider	Taylor & Francis Online
Author	Hagihara, Koji Nakano, Takayoshi Umakoshi, Yukichi
Abstract	The microstructure and compressive flow stress of directionally solidified ternary Ni3 (Al, Nb) and quaternary Ni3 (Al, Nb, Ti) alloys were examined. Three compositions of Ni–16.0 at.%Nb–9.0 at.%Al (Alloy 1), Ni–13.3 at.%Nb–7.5 at.%Al–4.2 at.%Ti (Alloy 2) and Ni– 10.7 at.%Nb–6.0 at.%Al–8.3 at.%Ti (Alloy 3) were selected for investigation. Alloy 1 was composed of the L12 and the D0a phases while the constituent phases varied for the D024 and the D0a phases for Alloys 2 and 3 with Ti content. The definite crystallographic relationship was observed between the D024 and the D0a phases to be (0001)D024// (010)D0a and ∹〉 D024//〈100〉D0a in Alloy 3. Compression tests were conducted along the growth direction in the temperature ranging from room temperature to 1000 °C. Alloy 1 exhibited high yield stress at low temperatures, but it rapidly decreased above 700 °C. Similar temperature dependence of yield stress was observed in Alloy 2, although the onset temperature of a rapid decrease in yield stress was somewhat lower. Alloy 3 with the highest Ti content showed the lowest compressive strength among the three alloys, while relatively good low-temperature ductility was obtained in Alloy 3. Yield stress of Alloy 3 exhibited anomalous strengthening behaviour accompanied by the basal slip in both D024 and D0a phases. Transition in operative slip systems from the basal slip to the prism slip occurred at the peak temperature of yield stress anomaly (600 °C), resulting in a gradual decrease in yield stress. Slip transfer behaviour between the D024 and the D0a phases was briefly discussed.
Starting Page	193
Ending Page	199
Page Count	7
File Format	PDF HTM / HTML
ISSN	14686996 18785514
DOI	10.1016/S1468-6996(02)00008-6
Journal	Science and Technology of Advanced Materials
Volume Number	3
Issue Number	2
Language	English
Publisher	Taylor & Francis
Publisher Date	2002-02-14
Access Restriction	Open
Subject Keyword	Geometrically close-packed structure Directional solidification Ni–Nb–Al alloy Compressive flow stress Basal slip Anomalous strengthening Orientation relationship Slip transfer
Content Type	Text
Resource Type	Article
Subject	Materials Science

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Microstructure evolution and room temperature deformation of a directionally solidified Nb-Si-Ti-Cr-Al-Hf-Y alloy

Effects of growth rates on directionally solidified microstructure of Al-Ni-Y ternary alloy

Microstructure Evolution and Mechanical Properties of a Directionally Solidified Nb-Ti-Si-Cr-Al-Hf-Dy Alloy

Fracture toughness of a directionally solidified Al–Nb–Ni ternary eutectic

Microstructure characteristics of Ni-43Ti-4Al-2Nb-2Hf alloy prepared by conventional casting and directional solidification

Primary Solidification Phase and Lamellar Orientation in Directionally Solidified Ti-45Al-7Nb Alloy

Interrelation of Solidification Processing Variables and Microstructure of a Horizontally Solidified Al-based 319.1 Alloy

Investigation of the Some Physical Properties of the Directionally Solidified Al–Cu–Co Ternary Eutectic Alloy

Structure of Interface Boundaries in a Directionally Solidified Ni–Al–Ti Eutectic Alloy

Microstructure and compressive flow stress of directionally solidified ternary Ni3(Al, Nb) and quaternary Ni3(Al, Nb, Ti) alloys with duplexphase

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