TITLE

Atomistic simulation of strain-induced amorphization

AUTHOR(S)
Lund, Alan C.; Schuh, Christopher A.
PUB. DATE
March 2003
SOURCE
Applied Physics Letters;3/31/2003, Vol. 82 Issue 13, p2017
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
The process of solid-state amorphization through extensive plastic straining (i.e., mechanical alloying) is studied through molecular simulation of binary Cu-Zr alloys. Without such confounding factors as impurity pick-up, or such thermal effects as melting or diffusion, we find that amorphization can be driven solely by accumulation of crystal defects and interfacial roughening between the component phases. The tendency for glass formation is also seen to depend on composition, and the results are in line with extensive prior experimental work.
ACCESSION #
9377473

 

Related Articles

  • Phase formation in mechanically alloyed Nb-Al powders. Hellstern, E.; Schultz, L.; Bormann, R.; Lee, D. // Applied Physics Letters;10/10/1988, Vol. 53 Issue 15, p1399 

    Nb-Al alloys have been prepared by mechanical alloying of elemental crystalline powders and investigated with x-ray diffraction and transmission electron microscopy. Crystalline equilibrium phases form for Al-rich alloys. Amorphous phase formation is observed for the Nb50Al50 composition....

  • Formation of amorphous aluminum tantalum nitride powders by mechanical alloying. Sherif El-Eskandarany, M.; Aoki, K. // Applied Physics Letters;3/30/1992, Vol. 60 Issue 13, p1562 

    Describes the synthesis of amorphous aluminum tantalum nitride alloy powders by mechanical alloying. Application of reactive ball milling technique under purified nitrogen gas flow; Characterization through transmission electron microscopy, differential thermal analysis and chemical analysis;...

  • High magnetic performance in isotropic α-Fe+Sm2Fe17Nx. Ding, J.; Liu, Y.; Street, R.; McCormick, P. G. // Journal of Applied Physics;1/15/1994, Vol. 75 Issue 2, p1032 

    Provides information on a study that presented the effects of composition and heat treatment on the microstructure and magnetic properties of a two-phase iron-samarium-nitrogen alloys synthesized by mechanical alloying and heat treatment. Experimental procedure; Results and discussion on the study.

  • Phases and phase stabilities of Fe3X alloys (X=Al, As, Ge, In, Sb, Si, Sn, Zn) prepared by mechanical alloying. Bansal, C.; Gao, Z. Q.; Hong, L. B.; Fultz, B. // Journal of Applied Physics;11/15/1994, Vol. 76 Issue 10, p5961 

    Deals with a study which examined steady-state phases in alloys of the Fe[sub3]X composition prepared through mechanical alloying. Experimental details; Results; Discussion; Conclusion.

  • Fabrication and phase-transformation issues in CTFF-MA processed A15 superconductors. Sumption, M. D.; Peng, X.; Lee, E.; Tomsic, M.; Collings, E. W. // AIP Conference Proceedings;2002, Vol. 614 Issue 1, p1057 

    The fabrication and properties of the A15 superconductors Nb-Sn-Ta, Nb-Al, and Nb-AlGe have been studied using a route involving mechanical alloying of intermediate phase powders, together with a continuous tube forming and filling (CTFF) wire fabrication method. The use and characteristics of...

  • Mechanically alloyed and gas-phase carbonated highly coercive Sm[sub 2]Fe[sub 17]C[sub x]. Kuhrt, C.; Katter, M. // Applied Physics Letters;4/20/1992, Vol. 60 Issue 16, p2029 

    Examines the microcrystalline Sm[sub 2]Fe[sub 17]C[sub x] powders with high carbon content. Preparation of the microcrystalline powders by mechanical alloying; Magnetic properties of the Sm[sub 2]Fe[sub 17]C[sub x] powder; Ways to magnetically harden the interstitial Sm[sub 2]Fe[sub 17]C[sub x]...

  • Phase formation and thermal stability of mechanical alloyed iron-tantalum. Mertinat, M.; Herr, U. // Journal of Applied Physics;4/1/1999, Vol. 85 Issue 7, p3512 

    Investigates the phase formation during mechanical alloying in the iron-tantalum system. Use of differential scanning calorimetry measurements in the investigation; Establishment of a metastable equilibrium; Basis of the discussion of the results.

  • Compact friction and wear machine. Hannigan, James W.; Schwarz, Ricardo B. // Review of Scientific Instruments;Aug1988, Vol. 59 Issue 8, p1420 

    We have developed a compact ring-on-ring wear machine that measures the friction coefficient between large area surfaces as a function of time, normal stress, and sliding velocity. The machine measures the temperature of the sliding surfaces and collects the wear debris.

  • Ultrasonic study of mechanically alloyed amorphous PdSiCu. Hikata, A.; McKenna, M. J.; Elbaum, C. // Journal of Applied Physics;3/15/1988, Vol. 63 Issue 6, p1910 

    Presents information on study which examined the mechanical alloying of amorphous Pd[sub0.775]Si[sub0.165]Cu[sub0.060]. Feature of the amorphous materials; Sample preparation and experiments; Results and discussion; Conclusions.

Share

Read the Article

Courtesy of VIRGINIA BEACH PUBLIC LIBRARY AND SYSTEM

Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics