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Catalog 2013-2014
Table of Contents


Materials Joining Engineering (MJEG)
Department of Engineering

MJEG 3114   Materials Science of Joining
Microstructural changes due to welding thermal cycles; non-equilibrium solidification and heat-affected zone phenomena; microstructure/property relationships, weld discontinuity formation, and weldability testing are taught. Fusion zone and partially Melted Zone liquation and cracking, as well as hydrogen- and reheat cracking susceptibilities are discussed. Carbon, low alloy, High Strength Low Alloyed steel, High Performance plate steels, stainless steels, tool and die steels are discussed. Laboratory on weldability testing, metallographic sample preparation, hardness and optic/electron microscopy. Class 3. Lab 3. Prerequisites: MJET 2023, MJET 3502. (Spring)

MJEG 3204   Nondestructive Evaluation
Use of elastic and electromagnetic wave/material interactions for dimensional analysis, material property determination, and flaw detection. Liquid penetrant, magnetic particle, radiography, ultrasonics, and eddy current testing are applied to engineering materials testing, including metals and composites. Elements of Fracture Mechanics and critical flaw size is discussed in context of the NDE techniques. Emphasis is placed on comparing NDE techniques based on Probability of Detection, or POD. Class 2. Lab 3. Prerequisites: PHYS 2023 and ENGR 2313. (Spring)

MJEG 3344   Joining of Metals
Application of welding metallurgy principles to fusion welding ferrous and non-ferrous engineering alloys. Specific alloys discussed include carbon, low alloy, HSLA, stainless steels, tool and die steels, aluminum, nickel-based, and titanium alloys. Laboratory includes weldability testing, metallographic sample preparation and evaluation techniques. Class 3. Lab 3. Prerequisites: ENGR 2313, MJET 2021, and MJET 2022. (On Demand)

MJEG 4123   Nondestructive Evaluation of Materials
Use of elastic and electromagnetic wave/material interactions for dimensional analysis, material property determination, and flaw detection. Basics of liquid penetrant, magnetic particle, radiography, ultrasonics, and eddy current testing are covered. Experimental techniques are applied to engineering materials testing, including metals and composites. Class 2. Lab 3. Prerequisites: PHYS 2023 and ENGR 2313. (Spring)

MJEG 4223   Joining of Advanced Materials
Study of the effects of solid-state joining processes on advanced material properties. Dispersion- strengthened metals, powder-metallurgy products, ceramic- and polymeric-composites and dissimilar combinations are discussed with emphasis on interface phenomena. Semester project includes use of advanced analytical evaluation techniques such as the Scanning Electron Microscope. Class 3. Prerequisite: MJET 3313. (Spring)

MJEG 4304   Joining Processes and Power Systems
A study of different welding and related methods of joining materials such as laser beam, ultrasonic spot, atomic hydrogen, electric resistance spot, arc air gouging, and submerged arc welding. Analysis and design of power delivery systems operating with emphasis on conversion from electric to thermal energy. Heat transfer efficiency will be used to compare power systems' performance that will include, but will not be limited to pulsed-arc wave GTAW and GMAW processes, laser, ultrasonic and microwave welding. Class 3. Lab 3. Prerequisites: MJET 2023, MJET 3502. (Fall)

MJEG 4404   Joining of Advanced Materials
Fundamentals of joining engineered Metallic-, Polymeric-, Ceramic-, and Composite-materials used in electronics, aerospace, nuclear and bioengineering fields. Alloys discussed include aluminum, nickel-based, and titanium alloys and composites. Dispersion-strengthened metals, powder-metallurgy products, ceramic- and polymeric-composites and dissimilar combinations are discussed with emphasis on interface phenomena. Use of advanced analytical evaluation techniques such as the Scanning Electron Microscope, numerical and physical simulations. Class 3. Lab 3. Prerequisites: MJEG 3114, MJEG 4304. (Spring)

MJEG 4941-4993   Special Topics
Individual or group research, development, or design. Special permission only. Class 1-3.