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4. ADVANCED MANUFACTURING: NAVIGATING THE PATH FORWARD Highlights from a member survey and panel discussion outlining the challenges and benefits of advanced manufacturing for the materials community

Author

Frazier, William E., Beuth, Jack, Daehn, Glenn S., Furrer, David U., Maher, Michael, and Henry, Scott D.

Subjects
Engineering and manufacturing industries, Science and technology
Abstract

The core elements of advanced manufacturing are embodied in the pillars of Industry 4.0[1-3] (Fig. 1). These pillars, when seamlessly integrated, enable innovative product designs, and the agile and rapid [...]

Published
2023

25. Environmentally Responsible Lightweight Passenger Vehicle Design and Manufacturing

Author

Massachusetts Institute of Technology. Department of Materials Science and Engineering, Daehn, Glenn S., Daehn, Katrin E., Kuttner, Oliver, Massachusetts Institute of Technology. Department of Materials Science and Engineering, Daehn, Glenn S., Daehn, Katrin E., and Kuttner, Oliver

Abstract

The mass reduction of passenger vehicles has been a great focus of academic research and federal policy initiatives of the United States with coordinated funding efforts and even a focus of a Manufacturing USA Institute. The potential benefit of these programs can be described as modest from a societal point of view, for example reducing vehicle mass by up to 25% with modest cost implications (under $5 per pound saved) and the ability to implement with existing manufacturing methods. Much more aggressive reductions in greenhouse gas production are necessary and possible, while delivering the same service. This is demonstrated with a higher-level design thinking exercise on an environmentally responsible lightweight vehicle, leading to the following criteria: lightweight, low aerodynamic drag, long-lived (over 30 years and 2 million miles), adaptable, electric, and used in a shared manner on average over 8 h per day. With these specifications, passenger-mile demand may be met with around 1/10 of the current fleet. Such vehicles would likely have significantly different designs and construction than incumbent automobiles. It is likely future automotive production will be more analogous to current aircraft production with higher costs per pound and lower volumes, but with dramatically reduced financial and environmental cost per passenger mile, with less material per vehicle, and far less material required in the national or worldwide fleets. Subsidiary benefits of this vision include far fewer parking lots, greater accessibility to personal transportation, and improved pedestrian safety, while maintaining a vibrant and engaging economy. The systemic changes to the business models and research and development directions (including lightweight design and manufacturing) are discussed, which could bring forth far more sustainable personal transportation.

Published
2023

40. HIGHLIGHTS FROM THE FOUNDATION

Author

Daehn, Glenn S.

Subjects
Engineering and manufacturing industries, Science and technology
Abstract

ASM-IIM ACCEPTING NOMINATIONS FOR LECTURESHIP AWARDS ASM-IIM Visiting Lectureship Award in India Every year, many members of ASM International who study or work outside of India make brief personal visits [...]

Published
2021

43. FROM THE FOUNDATION

Author

Daehn, Glenn S.

Subjects
Engineering and manufacturing industries, Science and technology
Abstract

Dear Friends: We Need You For years, the ASM Materials Education Foundation has had dedicated chapter members who have helped locally organize an ASM Materials Camp for teachers (or students) [...]

Published
2021

48. A uniform pressure electromagnetic actuator for forming flat sheets

Author

Kamal, Manish and Daehn, Glenn S.

Subjects
Electromagnetism -- Usage, Actuators -- Usage, Metals -- Finishing, Metals -- Methods, Metals -- Research, Engineering and manufacturing industries, Science and technology
Abstract

High velocity electromagnetic forming can lead to better formability along with additional benefits. The spatial distribution of forming pressure in electromagnetic forming can be controlled by the configuration of the actuator. A new type of actuator is discussed which gives a uniform pressure distribution in forming. It also provides a mechanically robust design and has a high efficiency for flat sheet forming. A simplified analysis of the actuator is presented that helps in the design of the system. Examples of uses of the actuator are then presented, specifically with regards to forming shapes and surface embossing. Some practical challenges in the design of the actuator are also addressed. This paper emphasizes the approaches and engineering calculations required to effectively use this actuator. [DOI: 10.111511.2515481]

Published
2007

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