The state of the art in the electron beam manufacturing processes

2016 ◽  
Vol 17 (11) ◽  
pp. 1575-1585 ◽  
Author(s):  
Jisoo Kim ◽  
Woo Jin Lee ◽  
Hyung Wook Park
Keyword(s):  
Electron Beam ◽  
State Of The Art ◽  
The State ◽  
Manufacturing Processes

State-of-the-Art in Micro- and Meso-Scale Heat Exchangers

1999 ◽  
Author(s):  
Reza Shekarriz ◽  
Charles J. Call
Keyword(s):  
Heat Exchanger ◽  
Research And Development ◽  
Heat Exchangers ◽  
State Of The Art ◽  
The State ◽  
Manufacturing Processes ◽  
Review Of The Literature ◽  
Design Constraints ◽  
Recent Advances ◽  
Meso Scale

Abstract A review of the literature and the state-of-the-art in research and development of miniature heat exchangers is presented in this paper. The authors provide a discussion of what makes the micro- and meso-scales important, highlight the design constraints and challenges that surface when miniaturizing a heat exchanger, and outline and discuss the outstanding practical and scientific issues in this area. Finally, the most recent advances in manufacturing processes and application of these miniature heat exchangers are covered in this article.

Review: Dimensional Accuracy in Additive Manufacturing Processes

2014 ◽  
Author(s):  
Pil-Ho Lee ◽  
Haseung Chung ◽  
Sang Won Lee ◽  
Jeongkon Yoo ◽  
Jeonghan Ko
Keyword(s):  
Additive Manufacturing ◽  
State Of The Art ◽  
Dimensional Accuracy ◽  
The State ◽  
Manufacturing Processes ◽  
Accuracy Improvement ◽  
Process Characteristics ◽  
Art Research ◽  
Am Processes

This paper reviews the state-of-the-art research related to the dimensional accuracy in additive manufacturing (AM) processes. It is considered that the improvement of dimensional accuracy is one of the major scientific challenges to enhance the qualities of the products by AM. This paper analyzed the studies for commonly used AM techniques with respect to dimensional accuracy. These studies are classified by process characteristics, and relevant accuracy issues are examined. The accuracies of commercial AM machines are also listed. This paper also discusses suggestions for accuracy improvement. With the increase of the dimensional accuracy, not only the application of AM processes will diversify but also their value will increase.

Developments in Tribology of Manufacturing Processes

2020 ◽  
Vol 142 (11) ◽  
Author(s):  
S. R. Schmid ◽  
P. K. Saha ◽  
J. Wang ◽  
T. Schmitz
Keyword(s):  
Metal Forming ◽  
State Of The Art ◽  
The State ◽  
Manufacturing Processes ◽  
The Past ◽  
Quality Of Products

Abstract Tribology in manufacturing has seen tremendous development in the past 100 years and essentially was transformed from a known and unavoidable nuisance to a sophisticated discipline. This is demonstrated by the reliability and quality of products that result in modern metal forming and cutting. This paper provides a brief summary of the state-of-the-art in manufacturing tribology, discussing some of the important developments in the field.

The state of the art in electron-beam melting and refining

JOM ◽  
1993 ◽  
Vol 45 (6) ◽  
pp. 61-63 ◽  
Author(s):  
R. Bakish
Keyword(s):  
Electron Beam ◽  
Electron Beam Melting ◽  
State Of The Art ◽  
The State

The state of the art in electron beam melting and refining

JOM ◽  
1991 ◽  
Vol 43 (5) ◽  
pp. 42-44
Author(s):  
R. Bakish
Keyword(s):  
Electron Beam ◽  
Electron Beam Melting ◽  
State Of The Art ◽  
The State

Practical Picture Processing

1974 ◽  
Vol 32 ◽  
pp. 338-339
Author(s):  
T. A. Welton
Keyword(s):  
Radiation Damage ◽  
Coherence Length ◽  
Spatial Information ◽  
State Of The Art ◽  
Coherent Radiation ◽  
The State ◽  
Energy Spread ◽  
Electron Micrograph ◽  
Picture Processing ◽  
Molecular Skeleton

Various authors have emphasized the spatial information resident in an electron micrograph taken with adequately coherent radiation. In view of the completion of at least one such instrument, this opportunity is taken to summarize the state of the art of processing such micrographs. We use the usual symbols for the aberration coefficients, and supplement these with £ and 6 for the transverse coherence length and the fractional energy spread respectively. He also assume a weak, biologically interesting sample, with principal interest lying in the molecular skeleton remaining after obvious hydrogen loss and other radiation damage has occurred.

Hypothesis-Evidence Coordination: The State of the Art

2003 ◽  
Vol 48 (6) ◽  
pp. 826-829 ◽  
Author(s):  
Eric Amsel
Keyword(s):  
State Of The Art ◽  
The State

The State of the Art

1968 ◽  
Vol 13 (9) ◽  
pp. 479-480
Author(s):  
LEWIS PETRINOVICH
Keyword(s):  
State Of The Art ◽  
The State

Needs Assessment: The State of the Art

1984 ◽  
Vol 29 (5) ◽  
pp. 426-428
Author(s):  
Anthony R. D'Augelli
Keyword(s):  
Needs Assessment ◽  
State Of The Art ◽  
The State

Biofeedback: The State of the Art

1991 ◽  
Vol 36 (2) ◽  
pp. 140-140
Author(s):  
John A. Corson
Keyword(s):  
State Of The Art ◽  
The State
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