Stony Brook University

ESG 332

Prof Clive Clayton Instructor EGS 332 exam #1 October 13th 2016 Answer all questions. (Please note that cheating will lead to a grade of F) 1.) Define the following terms as completely as possible giving diagrams where appropriate:- Electronegativity (5pts) Solid solubility and what factors affect its limit (10pts) Burgers vector of an edge dislocation (5pts) Give the electronic configuration Kr Atomic Number 36 (5pts) 2.) Briefly describe the following:- the essential differences between surface, bulk and grain boundary diffusion (10pts) the Ficks first and second laws of diffusion and illustrate for each a practical use of theselaws.(15pts) 3) Briefly describe four ways to strengthen a metal. Give diagrams to illustrate your answer.(25pts) 4) Describe fully the atomic processes which give rise to Plastic deformation (5pts) 5)- Sketch and label the Energy-distance curve for the following metals exhibiting: a) high elastic modulus b) low hardness c) high self-diffusivity d) low melting point. Explain your answers briefly (20pts)