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Home » Topics » Commentary/Columns » Academic Pulse

Academic Pulse
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A quarterly column featuring pertinent metallurgical or materials-testing articles from professors at Carnegie Mellon University.

ARTICLES

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ACADEMIC PULSE

Cutting-Edge Research that Addresses Today's Business Challenges

February 11, 2021
No Comments

We are pleased to contribute editorial for this quarterly column. Over the coming year, we will share the advancements we are making at the Advanced Casting Research Center on innovative processing methods for cast components; measurement of heat-transfer coefficient and other critical process parameters; big-data research; and advanced-alloy development initiatives. 


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Academic Pulse

Metals AM and the Crystal Ball

December 2, 2020
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Our take on metals additive manufacturing (AM) is that it has made it past the “valley of death” in the so-called hype curve. It is being used widely and sometimes for unexpected applications. For example, I was impressed to hear a presentation from the Sonova Group about printing custom hearing-aid earpieces in titanium, for which the unexpected benefit was much better robustness against being dropped on the floor and crushed underfoot.


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Collaborating for AM's Future

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Dr. Sandra DeVincent Wolf
August 31, 2020
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The disruption of supply chains caused by the COVID-19 pandemic is leading U.S. companies to rethink their manufacturing operations. We relearned an old lesson – agility is vital.


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ACADEMIC PULSE

Research Leads to Ceramic Additive Manufacturing

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B. Reeja Jayan
June 1, 2020
No Comments

Ceramic oxides and carbides find widespread use in technologies ranging from solar cells and electronics to high-durability, impact-resistant surfaces for military and aerospace applications.


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ACADEMIC PULSE

Finding Keyholes in Metal Additive Manufacturing

Anthony Rollett
March 11, 2020
No Comments

A relatively recent phenomenon in the field of additive manufacturing (AM) has been the discovery of “keyholes” (i.e., flaws) that form during the metal AM process. AM’s promise to revolutionize industry is currently constrained by a widespread problem: tiny gas pockets in the final product, which can lead to cracks and other failures.


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ACADEMIC PULSE

Developing Alloys for AM Processes

Dr. Bryan Webler
August 7, 2019
No Comments

Much of the current research and development in additive manufacturing is devoted to making parts from just a few specific alloy compositions.


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Dr. Bryan Webler
ACADEMIC PULSE

Studying Automotive-Steel Microstructures

Dr. Bryan Webler
May 3, 2019
No Comments

Despite its history and ubiquitous presence as an infrastructure material, steels remain a complex material system with many persisting research questions.


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ACADEMIC PULSE

Reduction of Metal AM Melt-Pool Bead-Up

Dr. Bryan Webler
February 14, 2019
No Comments

Additive manufacturing (AM) is changing how we think about making parts from metal.


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ACADEMIC PULSE

I see it, but what is it?

Dr. Marc De Graef
December 10, 2018
No Comments

The human brain is rather good at recognizing a large variety of objects: a chair, a ball, a hang-glider, etc. Recognition is usually almost instantaneous, assuming one learned at some point in the past what each of these objects is called.


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ACADEMIC PULSE

Visualizing Magnetism at the Nanoscale

Dr. Marc De Graef
September 7, 2018
No Comments

Every day we use dozens of electromagnetic devices, from a simple water heater to brew a cup of coffee to cell phones, office computers, light bulbs, elevators, air conditioners and so on. What all of these devices have in common is that they use either electricity or magnetism or, in many cases, both.


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