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Engineering Technology: Materials Joining

The Engineering Technology, Materials Joining Concentration is a hybrid program that combines the fundamentals of materials, mechanical, structural and electrical engineering, adapting them to the development and application of joining technology. This includes materials selection, characterization and weldability assessment, procedure development and qualification, process automation and control, as well as the design, inspection, analysis and testing of joined structures and components.

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Materials joining is a general term encompassing many different processes, including various methods of welding, brazing, soldering, adhesive bonding and even some kinds of mechanical fastening.

Advances in the technology of these processes enable a wide variety of materials, such as metals, ceramics, polymers, composites and electronic materials, to be joined in ways that maximize reliability and minimize cost.

Engineering Technology graduates in the materials joining concentration invent new, safer and more efficient processes, create engineering specifications and contribute to the performance and integrity of everything from consumer products to space vehicles.


The concentration in Materials Joining Engineering Technology at LeTourneau University involves a curriculum of 130 semester hours and is one of five concentration choices within our Bachelor of Science in Engineering Technology degree.

  • Strength of Materials lab
  • Joining Methods and Processes
  • Modern Manufacturing Methods
  • Nondestructive Testing

To learn more about course requirement


FSW uses a rotating tool to 'mix' the solid metal together, creating a metallurgical bond.

The U.S. Transportation Dept. is looking for an effective way to join High Performance Steel (HPS) 70 and A1010 stainless steel with FSW, and LETU students are developing ways to improve the process. 

The Additive Manufacturing Fusion Processes Senior Design Team is working to model, make, and test a Functionally Gradient transition piece for joining CrMo Steel to Nickel based alloys. The transition piece is needed due to different coefficients of thermal expansion and the thermal loading that joints can experience in certain applications. Successful completion of the project will lay the groundwork for other currently difficult joints between dissimilar metals.

Learn more about LETU's Senior Design Projects...


Engineering Technology, Materials Joining Concentration majors are in demandfor some of the highest paid jobs available.

Individuals who understand the engineering aspects of joining materials are sought by companies that produce:

  • Aircraft carriers
  • Skyscrapers
  • Fighter jets
  • Pressure vessels
  • Piping systems
  • Machinery used for various manufacturers

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