Paper Title:
High Strength and High Ductility in Electrodeposited Nanocrystalline Ni–W Alloy
  Abstract

The tensile specimen of nanocrystalline Ni–W alloys with 50 μm × 20 μm in area and 4 mm in gauge length was made by using an electrodeposit together with ultraviolet light lithographic technique. The composition and grain size were Ni-16.9 at.% W and about 6 nm, respectively. Tensile testing of the alloy was carried out. The nominal tensile strength and Young’s modulus were about 2.7 GPa and 123 GPa, respectively. The elastic strain and plastic strain were about 2 % and 1 %, respectively. The stress-strain curve showed work hardening. The macroscopic fracture part yielded necking and the microscopic fracture surface showed dimple pattern. As mentioned above, this electrodeposited nanocrystalline Ni-W alloy showed high strength, low elastic modulus and high ductility.

  Info
Periodical
Materials Science Forum (Volumes 654-656)
Main Theme
Edited by
Jian-Feng Nie and Allan Morton
Pages
1118-1121
DOI
10.4028/www.scientific.net/MSF.654-656.1118
Citation
F. Kazutaka, T. Suidu, T. Yamasaki, "High Strength and High Ductility in Electrodeposited Nanocrystalline Ni–W Alloy", Materials Science Forum, Vols. 654-656, pp. 1118-1121, 2010
Online since
June 2010
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$32.00
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