ENMA -- Engineering, Materials

ENMA 420 Intermediate Ceramics (3) Prerequisites: ENES 230, ENMA 470, and ENMA 471 or permission of department. To introduce basic concepts such as crystal chemistry, defect chemistry and ternary phase equilibria which can also be used to illustrate the various types of advanced ceramics (superconductors; superionic conductors; dielectrics including ferroelectrics; optical materials; high temperature structural materials; etc.) and allow an understanding of their behaviors.

ENMA 460 Physics of Solid Materials (3) Prerequisites: MATH 241 and PHYS 263. Junior standing. Classes of materials; introduction to basic ideal and real materials' behavior including mechanical, electrical, thermal, magnetic and optical responses of materials; importance of microstructure in behavior. One application of each property will be discussed in detail.

ENMA 461 Thermodynamics of Materials (3) Prerequisite: ENES 230. Junior standing. Thermodynamic aspects of materials; basic concepts and their application in design and processing of materials and systems. Topics include: energy, entropy, adiabatic and isothermal processes, internal and free energy, heat capacity, phase equilibria and surfaces and interfaces.

ENMA 462 Deformation of Engineering Materials (3) Prerequisite: ENES 230 or permission of both department and instructor. Relationship of structure to the mechanical properties of materials. Elastic and plastic deformation, microscopic yield criteria, state of stress and ductility. Elements of dislocation theory, work hardening, alloy strengthening, creep, and fracture in terms of dislocation theory.

ENMA 463 Macroprocessing of Materials (3) Prerequisite: ENES 230. Junior standing. Processing of modern, bulk engineering materials. Raw materials, forming, firing, finishing and joining. More emphasis on metals and ceramics than polymers.

ENMA 464 Environmental Effects on Engineering Materials (3) Prerequisite: ENES 230 or permission of both department and instructor. Introduction to the phenomena associated with the resistance of materials to damage under severe environmental conditions. Oxidation, corrosion, stress corrosion, corrosion fatigue and radiation damage are examined from the point of view of mechanism and influence on the properties of materials. Methods of corrosion protection and criteria for selection of materials for use in radiation environments.

ENMA 470 Structure and Properties of Engineering Materials (3) A comprehensive survey of the atomic and electronic structure of solids with emphasis on the relationship of structure to the physical and mechanical properties.

ENMA 471 Kinetics, Diffusion and Phase Transformations (3) Pre- or corequisite: ENMA 461. Junior standing or permission of department. Fundamentals of diffusion, the kinetics of reactions including nucleation and growth and phase transformations in material.

ENMA 472 Technology and Design of Engineering Materials (3) Prerequisite: ENES 230. Relationship between properties of solids and their engineering applications. Criteria for the choice of materials for electronic, mechanical and chemical properties. Particular emphasis on the relationships between the structure of solids and their potential engineering applications.

ENMA 473 Processing of Engineering Materials (3) The effect of processing on the structure of engineering materials. Processes considered include refining, melting and solidification, purification by zone refining, vapor phase processing, mechanical working and heat treatments.

ENMA 481 Introduction to Electronic and Optical Materials (3) Prerequisite: ENES 230 or equivalent. Electronic, optical and magnetic properties of materials. Emphasis on materials for advanced optoelectronic and magnetic devices and the relationship between properties and the processing/fabrication conditions.

ENMA 489 Selected Topics in Engineering Materials (3) Prerequisite: permission of department. Repeatable to 12 credits if content differs. To introduce basic concepts such as crystal chemistry, defect chemistry and temary phase equilibria which can also be used to illustrate the various types of advanced ceramics (superconductors; superionic conductors; dielectrics including ferroeletrics; optical materials; high temperature structural materials; etc.) and allow an understanding of their behaviors.

ENMA 490 Materials Design (3) One hour of lecture and six hours of laboratory per week. Senior standing. Capstone design course. Students work in teams on projects evaluating a society or industry based materials problem and then designs and evaluates a strategy to minimize or eliminate the problem; includes written and oral presentations.

ENMA 495 Polymeric Engineering Materials I (3) Prerequisite: ENES 230. Study of polymeric engineering materials and the relationship to structural type. Elasticity, viscoelasticity, anelasticity and plasticity of single and multiphase materials. Emphasis is on polymetric materials.

ENMA 496 Processing and Engineering of Polymers (3) Prerequisite: ENMA 495. Processing and engineering techniques for the conversion of polymeric materials into products are discussed. Processes considered include forming, bonding and modification operations. The effect of processing on the structure and properties of polymeric materials is emphasized.

ENMA 499 Senior Laboratory Project (1-3) Senior standing. Students work with a faculty member on an individual laboratory project in one or more of the areas of engineering materials. Students will design and carry out experiments, interpret data and prepare a comprehensive laboratory report.

ENMA 620 Polymer Physics (3) Prerequisite: ENMA 470 and ENMA 471 or permission of instructor. The thermodynamics, structure, morphology and properties of polymers. Developing an understanding of the relationships between theory and observed behavior in polymeric materials.

ENMA 622 Polymer Characterization (3) Two hours of lecture and two hours of laboratory per week. Prerequisite: ENMA 470 or ENMA 471 or permission of instructor. Characterization of polymeric materials: molecular weight, molecular size distribution, solution properties, thermal properties, fractionation, etc.

ENMA 646 Ceramic Materials Processing (3) Prerequisite: ENMA 420 and permission of department. Ceramic powder processing: design of experiments; modern and traditional methods of preparing powders and devices; characterization of powders and products; sintering theory and practice. Emphasis on current literature and its application.

ENMA 650 Structure of Engineering Materials (3) Prerequisite: ENMA 470 or equivalent. The structural aspects of crystalline and amorphous solids and relationships to bonding types. Point and space groups. Summary of diffraction theory and practice. The reciprocal lattice. Relationships of the microscopically measured properties to crystal symmetry. Structural aspects of defects in crystalline solids.

ENMA 651 Electronic Structure of Engineering Materials (3) Prerequisite: ENMA 650. Electronic and magnetic materials in relationship to their applications. Metallic conductors, resistive alloys, superconducting materials, semiconductors, hard and soft magnetic materials, piezo-electric and piezo-magnetic materials, optical materials. Emphasis on relationships between electronic configuration, crystal structure, defect structure and physical properties.

ENMA 659 Special Topics in Electronic Materials (3) Prerequisite: permission of department. Repeatable to 6 credits if content differs. Topics of current interest in the design and manufacture of electronic materials.

ENMA 660 Thermodynamics in Materials Science (3) Prerequisite: permission of department. Corequisite: ENMA 650. Thermodynamics of engineering solids. Thermal, diffusional and mechanical interactions in macroscopic systems. Systems in thermal contact, systems in thermal and diffusive contact, systems in thermal and mechanical contact.

ENMA 661 Kinetics of Reactions in Materials (3) Prerequisite: ENMA 660. The theory of thermally activated processes in solids as applied to diffusion, nucleation and interface motion. Cooperative and diffusionless transformations. Applications selected from processes such as allotropic transformations, precipitation, martensite formation, solidification, ordering, and corrosion.

ENMA 669 Special Topics in the Chemical Physics of Materials (3) Prerequisite: permission of both department and instructor.

ENMA 671 Dislocations in Crystalline Materials (3) Prerequisite: ENMA 650. The nature and interactions of defects in crystalline solids, with primary emphasis on dislocations. The elastic and electric fields associated with dislocations. Effects of imperfections on mechanical and physical properties.

ENMA 672 Mechanical Properties of Engineering Materials (3) Prerequisite: ENMA 671. The mechanical properties of single crystals, polycrystalline and polyphase materials. Yield strength, work hardening, fracture, fatigue and creep are considered in terms of fundamental material properties.

ENMA 679 Special Topics in the Mechanical Behavior of Materials (3) Prerequisite: permission of department. Topics of current interest in the mechanical behavior of materials.

ENMA 680 Experimental Methods in Materials Science (3) Prerequisite: ENMA 650. Methods of measuring the structural aspects of materials. Optical and electron microscopy. Resonance methods. Electrical, optical and magnetic measurement techniques. Thermodynamic methods.

ENMA 681 Diffraction Techniques in Materials Science (3) Prerequisite: ENCH 620. Theory of diffraction of electrons, neutrons and X-rays. Strong emphasis on diffraction methods as applied to the study of defects in solids. Short range order, thermal vibrations, stacking faults, microstrain.

ENMA 689 Special Topics in Engineering Materials (3) Prerequisite: permission of both department and instructor. Repeatable to 6 credits if content differs. Formerly ENMA 691.

ENMA 697 Seminar in Materials Science and Engineering (1) Repeatable to 6 credits if content differs. Individual, supervised study in materials science and engineering.

ENMA 698 Special Problems in Materials Science and Engineering (1-3) Prerequisite: permission of department. Repeatable to 6 credits if content differs. Individual, supervised study in materials science and engineering.

ENMA 799 Master's Thesis Research (1-6)

ENMA 808 Advanced Topics in Engineering Materials (3) Prerequisite: permission of department. Repeatable to 6 credits if content differs.

ENMA 899 Doctoral Dissertation Research (1-8)