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Materials Engineering

What Materials Engineers Do

Materials engineers develop, process, and test materials used to create a range of products, from computer chips and aircraft wings to golf clubs and biomedical devices. They study the properties and structures of metals, ceramics, plastics, composites, nanomaterials (extremely small substances), and other substances in order to create new materials that meet certain mechanical, electrical, and chemical requirements. They also help select materials for specific products and develop new ways to use existing materials.

Duties

Materials engineers typically do the following:

  • Plan and evaluate new projects, consulting with other engineers and managers as necessary
  • Prepare proposals and budgets, analyze labor costs, write reports, and perform other managerial tasks
  • Supervise the work of technologists, technicians, and other engineers and scientists
  • Design and direct the testing of processing procedures
  • Monitor how materials perform and evaluate how they deteriorate
  • Determine causes of product failure and develop ways of overcoming such failure
  • Evaluate technical specifications and economic factors relating to the design objectives of processes or products
  • Evaluate the impact of materials processing on the environment

Materials engineers create and study materials at the atomic level. They use computers to understand and model the characteristics of materials and their components. They solve problems in several different engineering fields, such as mechanical, chemical, electrical, civil, nuclear, and aerospace.

Materials engineers may specialize in understanding specific types of materials. The following are examples of types of materials engineers:

Ceramic engineers develop ceramic materials and the processes for making them into useful products, from high-temperature rocket nozzles to glass for LCD flat-panel displays.

Composites engineers develop materials with special, engineered properties for applications in aircraft, automobiles, and related products.

Metallurgical engineers specialize in metals, such as steel and aluminum, usually in alloyed form with additions of other elements to provide specific properties.

Plastics engineers develop and test new plastics, known as polymers, for new applications.

Semiconductor processing engineers apply materials science and engineering principles to develop new microelectronic materials for computing, sensing, and related applications.

Bureau of Labor Statistics, U.S. Department of Labor, Occupational Outlook Handbook, Materials Engineers, on the Internet at https://www.bls.gov/ooh/architecture-and-engineering/materials-engineers.htm#tab-2 (visited Feburary 12, 2020).

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