Advancing Materials Research

Questions? Call 800-624-6242

About | Ordering | New

LoginRegister

| Items in cart [0]

Rights & Permissions

Free PDF Access

Free Resources

Display this book
on your site!

Related Titles

Materials and Man's Needs:Materials Science and Engineering -- Volume I, The History, Scope, and Nature of Materials Science and Engineering
Materials and Man's Needs:Materials Science and Engineering -- Volume II, The Needs, Priorities, and Opportunities for Materials Research
Other Related Titles

Advancing Materials Research (1987)
National Academy of Engineering (NAE)
National Materials Advisory Board (NMAB)

Citation Manager

. "Progress and Prospects in Metallurgical Research." Advancing Materials Research. Washington, DC: The National Academies Press, 1987.

Please select a format:

Page
62


E-mail Share on facebook Facebook Share on delicious Delicious Share on stumbleupon Stumble Share on twitter Twitter More Sharing ServicesMore

The following HTML text is provided to enhance online readability. Many aspects of typography translate only awkwardly to HTML. Please use the page image as the authoritative form to ensure accuracy.

Advancing Materials Research

FIGURE 11 Rapidly solidified Ni-Al-Cr-W superalloy specimens with (left) and without (right) yttrium additions, after a cyclic oxidation test consisting of 300 one-hour heatings in air at 1150°C. From Cox.²⁰

of such phases cannot be predicted yet, one can confidently anticipate that surprises will continue to arise out of this netherworld of metastability.

Ion Implantation and Beam Processing

The advent of processing methods based on the injection of accelerated ions (10 to 500 keV) into solid metals and alloys is leading to a new world

FIGURE 12 Variations of interfacial partition ratio, k, with growth velocity, v, normalized to the diffusive velocity, D_L/λ, where D_L= liquid diffusivity and λ=diffusion jump distance; k₀=equilibrium partition coefficient. From Boettinger, Coriell, and Sekerka.²¹ Reprinted with permission.