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Materials Science Excelets Created by Scott Sinex Prince George’s Community College

Materials Science Excelets Created by Scott Sinex Prince George’s Community College. Excelets are interactive Excel spreadsheets for discovery learning. Packing of metals. Diffusion of metals. Homogeneous nucleation. Vibrations in metallic solids. Imperfections in metallic solids.

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Materials Science Excelets Created by Scott Sinex Prince George’s Community College

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  1. Materials Science ExceletsCreated by Scott SinexPrince George’s Community College Excelets are interactive Excel spreadsheets for discovery learning • Packing of metals. • Diffusion of metals. • Homogeneous nucleation. • Vibrations in metallic solids. • Imperfections in metallic solids. • I-V curves for materials exploring. • Bonding in sodium chloride crystals. • Conductor, semiconductor, insulator.Fraction crystallized and the Avrami equation. • Does Grain Size Matter when stress is applied? • The Periodic Table: Metal-nonmetal comparison. • Using radius ratio rules to predict crystal structure. Materials Science Excelets can be downloaded at http://academic.pgcc.edu/~ssinex/excelets/matsci_excelets.htm NSF Award DMR 0611595

  2. Materials Science ExceletsCreated by Scott SinexPrince George’s Community College Impact: These Excelets are playing a role in the classroom for demonstration, but also allow students “free play” on their own time and are can be used by members of the public to gain a feel for basic materials science principles. Education: Excelets are interactive Excel spreadsheets or simulations of mathematical models. The user changes a variable and the spreadsheet changes in numerical, graphical, and/or even symbolic form (equations). Through the use of numerical experimentation and "what if" scenarios, we have a powerful learning tool for students in particular and the public in general, using readily available off-the-shelf software. All of this is done computationally with no use of programming, no macros or Visual Basics for Applications (VBA). An Excelet resembles a "Javaless" applet. • Packing of metals • Diffusion of metals • Homogeneous nucleation • Vibrations in metallic solids • Imperfections in metallic solids • I-V curves for materials exploring • Bonding in sodium chloride crystals • Conductor, semiconductor, insulatorFraction crystallized and the Avrami equation • Does Grain Size Matter when stress is applied? • The Periodic Table: Metal-nonmetal comparison • Using radius ratio rules to predict crystal structure NSF Award DMR 0611595

  3. Packing of metals • Diffusion of metals • Homogeneous nucleation • Vibrations in metallic solids • Imperfections in metallic solids • I-V curves for materials exploring • Bonding in sodium chloride crystals • Conductor, semiconductor, insulatorFraction crystallized and the Avrami equation • Does Grain Size Matter when stress is applied? • The Periodic Table: Metal-nonmetal comparison • Using radius ratio rules to predict crystal structure NSF Award DMR 0611595

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