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Title of Journal: Rare Metals

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Abbravation: Rare Metals

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Nonferrous Metals Society of China

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DOI

10.1007/bf02216051

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1867-7185

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Effect of casting temperature on microstructure in

Authors: Qing Pan Lijing Zheng Yurong Sang Yan Li Lei Zhou Hu Zhang
Publish Date: 2011/11/16
Volume: 30, Issue: 1, Pages: 349-353
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Abstract

Ni44Ti5Al2Nb1Mo atomic fraction alloy was directional solidified DS at different temperature 1350 1450 1550 1650 °C and a constant withdrawing rate of 100 μm/s by liquid metal cooling method The microstructural characteristics indicate that the DS temperature do not influence the phase composition but rather to change the phase morphology The phase composition of directional solidified samples is the same as the ascast sample which is composed of NiTi B2 Ti2Ni and Nbrich phases After DS 100 becomes the preferred orientation in NiTi matrix With the casting temperature increasing 100 orientation is significantly enhanced the solid/liquid S/L interface morphology changes from cellular dendrite to cellular and the interface shape changes from convex to plane Meantime the volume fraction of the Nbrich phase decreases with the temperature increasing

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Other Papers In This Journal:
  1. Rare earth texture analysis of rectangular extruded Mg alloys and a comparison of different alloying adding ways
  2. Microstructure and superconducting properties of (BaTiO 3 , Y 2 O 3 )-doped YBCO films under different firing temperatures
  3. Microstructure of ZM6 magnesium alloy with different Nd content
  4. Influence of temperature rate on transitory internal friction during reverse martensitic transformation for Ti 50 Ni 27 Cu 23 alloy
  5. Magnetocaloric effect of (Gd 1− x Ce x )Co 2 compounds in low magnetic fields
  6. Relation between microstructure and magnetic properties of shock wave-compressed Nd–Fe–B magnets
  7. Adsorption behavior of Pd(II) from aqueous solutions by D201 resin
  8. Formation mechanism and prediction of new phases in binary metallic liquid/solid interface
  9. Microstructure and melting properties of Ag–Cu–In intermediate-temperature brazing alloys
  10. Investigation on SCC and HE of STS 304 austenitic stainless steel for offshore structures
  11. Microstructure and mechanical performances of CGHAZ for oil tank steel during high heat input welding
  12. Decomposition process of zircon sand concentrate with CaO-NaOH
  13. Low-temperature synthesis of SiC nanowires with Ni catalyst
  14. Influence of Sb 2 O 3 doping on the properties of KBT-NBT-BT lead-free piezoelectric ceramics
  15. Synthesis and characterization of amorphous Al–Mg–B prepared by various deposition temperatures
  16. High temperature creep behavior and mechanism of a TiAl-based intermetallic
  17. Deformation efficiency, homogeneity, and electrical resistivity of pure copper processed by constrained groove pressing
  18. Synthesis and luminescent properties of Ln 3+ (Ln 3+ = Eu 3+ , Dy 3+ ) -doped Bi 2 ZnB 2 O 7 phosphors
  19. Electrical and optical properties of ZnO:Al films with different hydrogen contents in sputtering gas
  20. Preparation and application in electromagnetic absorption of ZnO/FeNiMo composite
  21. Preparation and microwave absorption properties of Ni(Co/Zn/Cu)Fe 2 O 4 /SiC@SiO 2 composites
  22. CdS/TiO 2 nanotubes hybrid as visible light driven photocatalyst for water splitting
  23. Synthesis of electroactive tetraaniline-b-PEG diblock copolymer
  24. Finite element analysis of stress corrosion cracking for copper in an ammoniacal solution
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