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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

working in lab
Academic Pulse

Developments in Thermal Processing of Powder for Cold-Spray AM Enhancements

Bryer C. Sousa Danielle L. Cote Richard D. Sisson Jr.
August 18, 2022
No Comments

One of the most critical innovations surrounding the extension of cold-spray materials processing from a non-structural repair or coating acquisition into a structural repair and solid-state additive manufacturing (AM) is the development of thermal-preprocessing technology for the feedstock powder.


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fire
Academic Pulse

Get to Know CHTE

Richard D. Sisson Jr.
March 2, 2022
No Comments

The Center for Heat Treating Excellence (CHTE) at Worcester Polytechnic Institute was founded 20 years ago from the vision of the ASM Heat Treating Society’s (HTS) R&D committee. 


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ground breaking tech
ACADEMIC PULSE

Groundbreaking Technologies with Far-Reaching Impact

Diran Apelian
November 1, 2021
No Comments

A dynamic group of researchers at the University of California, Irvine (UCI) has been hard at work on two groundbreaking initiatives that will forever impact material manufacturing.


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ACADEMIC PULSE

Researchers at UCI Work to Establish the Interfacial Science of Complex Concentrated Materials

The National Science Foundation’s Materials Research Science and Engineering Centers (MRSEC) supports interdisciplinary materials research and education focusing on fundamental problems in materials science and engineering.
August 9, 2021
No Comments

There are 19 such centers across the nation. Each of them addresses research of a scope and complexity requiring the scale, synergy and research talent provided by a campus-based research center. The MRSECs essentially support the materials research infrastructure in the United States; promote collaboration between universities, industry and international organizations; and contribute to the development of a national network of university-based centers in materials research, education and facilities.


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ACADEMIC PULSE

Material Manufacturing Research has Far-Reaching Industrial Applications

Diran Apelian
May 3, 2021
No Comments

The Advanced Casting Research Center (ACRC) at the University of California, Irvine (UCI) is currently working on several digital-manufacturing projects. In this piece, we feature two material manufacturing research projects with far-reaching impact.


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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
No Comments

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

Ih0920 pulse sdwolf 300
Dr. Sandra DeVincent Wolf
August 31, 2020
No Comments

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

Ih0620 academic bjayan 300
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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ih0320-pulse-fig-900.jpg
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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